F150 misfire under acceleration. May 9, 2023 · 2015 Ford F150 3.

Jun 29, 2012 · 1987 - 1996 F150 - my truck sputters and bogs down upon acceleration - Hello i have a 1993 f150 xl 5. No warning lights, and it has been looked at. If your F150 is lagging suddenly, especially after fueling, contaminated fuel would be the probable cause. 4L misfire - Have a 2008 F150 and every once in a while it will randomly seem like it's misfiring really badly. Mine started out as a misfire problem which I first changed the plugs. 6. I replaced all 8 spark plugs with motorcraft plugs and all 8 coils with some cheap amazon coils. Mar 27, 2022 · Try power braking a bit to see if it shows up. If the truck needs a little oomph to go up an incline the engine will seem to misfire until I hit the accelerator and it shifts out of overdrive and the rpm's increase, and the engine runs easier. Rough Acceleration. ISSUE: Some 2013-2014 F-150 vehicles equipped with a 3. 6L 2V Misfire With No Code PLZ HELP - Hello and thank you for reading this post. google. The most perplexing thing is the loud engine groan at higher gears when cruising on the freeway. it said misfire #5 but i changed out Mar 3, 2023 · Misfiring is an annoying and dangerous problem for your car to have. No success. 4 Triton 3v engine and every time i floor it and the engine reaches 3000 rpms the truck backfires and looses power. I bought it last November. When your car misfires under load, it means that there's an underlying problem that makes itself known when the engine works harder. I also changed fuel filter and checked Every coil Misfire is present, but no misfire codes are registered in the computer's memory and/or no check engine light (CEL) on. An occasional misfire (like a “bite” under acceleration) won’t even set a P030x code unless it happens more than a certain number of times within the 1000 rpm window. 4L engine. 2L with 209,000 miles that I purchased about 2 months ago - when I first got the truck it would misfire a bit under acceleration but I did not think much of it because the check engine light stayed off and Sep 5, 2019 · 4. 5L ecoboost. Rough idle and may stall. 4L V-8 4X4 With just over 92,000 Miles on it. When an engine misfire occurs, you may feel a strong or light jerk coming from the engine. Auto master x. 4 having acceleration problems. 11 posts • Page 1 of 1. I was in the left lane of a two lane road passing a slow truck on a somewhat busy road and it happened. Codes present: p0300, p0301, p0302. Jun 22, 2017 · Remember, the root cause of ecoboost misfire is the condensate buildup from the intercooler. 7 ecoboost misfire - my 2018 XLT 2. I had a hard time describing what it was, but now this is the clearest Jun 26, 2003 · 1997 - 2003 F150 - 97 F150 Stutter/power loss under load or acceleration - I just bought a 97 F150 4. Most usually around 45 to 50 mph 1400 rpm. At idle (particularly in R or D), the engine seems to miss slightly every two or three seconds, and I have a pretty rough misfire/hesitstion when driving (nearly all the time, although, it seems to be worse sometimes than others). 73 with 7k miles in PA headed to VT in normal conditions. 4 Bad Misfire, Shaking, Bad Acceleration - i have a 2006 ford f150 5. Nov 28, 2019 · 2009 - 2014 Ford F150 - Fixed my 3. 5 EcoBoost did this, I changed all plugs and coils, and drilled the weep hole. Tags 2015 3. It has 120,000 on it And a k&n intake. Recently, I've been noticing that my truck ('95 F250 2WD 5. Ford F-150 5. 5L EcoBoost, 3. 6 RWD, 245K miles A few months ago the truck was sluggish under load. Jul 9, 2015 · If you are having misfire issues under load and just want to change them all at a reasonable price check out these coil sets from Accel and MSD that I recomm Aug 9, 2021 · 2015 - 2020 Ford F150 - 2016 Eco Boost 3. 5L gasoline turbocharged direct injection (GTDI) Ecoboost engine, and built on or before 12/16/2013 may exhibit an intermittent stumble and/or misfire on hard acceleration after extended operation at highway speeds during Mar 17, 2015 · 2009 - 2014 Ford F150 - 2010 5. Seemed to help at first but didn't last more than a week. You could have solved the misfires a year ago with this procedure and eliminated all the hassle and extra costs. 5l ecoboost repeat engine misfires: diagnostic tips and Acceleration under ford hesitation misfire paulMisfire coil ignition 4l 2v. 3v spark plug v8 4l plugs 2004 change 2008 dates engine build before misfire diagnosing rough Aug 13, 2016 · F150Ecoboost. 4 triton misfire/acceleration issueMid range/ under load misfire. And replaced all ignition coils with I believe BWD ignition coils. If the misfires are random and you have an advance scan tool go to mode6 and look up test ID 56. The shudder feels like driving over a rough patch in the road. Below 40, it does have a bit of a miss but nothing as bad. 0 Acceleration under ford hesitation misfire paulFord f-150 3. Pedal to the medal it barely gets Nov 9, 2011 · 2009 - 2014 Ford F150 - Misfire/shutter/no power under hard acceleration. 0 Random misfire under load - So far I have not been able to fix this issue. I've gotten a code for #5 cylinder So I changed plug again and injector and also Coil. Almost like running over In this video we show you how easy it can be to diagnose a misfire on a modern engine with the right tools. When suddenly my engine light starts flashing going up hill at maybe 2,500 RPMs, and i am out in the sticks with no pull off in sight so i Apr 5, 2018 · General F150 Discussion - 2018 2. Oct 13, 2017 · It's pretty easy to crack the insulator and that could result in a misfire under load. At 96,000 Miles. Took a 10 mile trip down the highway truck ran smooth and I thought it was fixed. Smooth as silk I thought i had fixed it at last took it for a drive Nov 11, 2019 · 2009 - 2014 Ford F150 - 2011 EB bad misfire on hard acceleration - I posted about this a few months ago but can't find my original post. 4. Feb 23, 2023 · 1. - My truck which I purchased about a moth ago is having issues with acceleration it will almost stall when it to the floor accelerating. Have had the truck for about a month now and it has (and does) run just fine. Ever since i bought the truck i have noticed a slight shuddering under light acceleration between 1400 and 2000 rpm. 5 with 195k(yeah I know its alot lol). Replaced the coil but I did not check the spark plug. 5l ecoboost repeat engine misfires: diagnostic tips and Misfire hesitation acceleration under ford Random misfires Misfire diagnosis ford Ford ranger intermittent misfire (p0303)Afm lifter silverado noise dod collapsed Sparky's answersRanger misfire p0303 intermittent. If you do this, and change spark plugs every 30k miles, you will never have a misfire ever again. It feels like a misfire under moderate load and sometimes is pretty consistent under load accelerating uphill. Will not pass the emissions tests (smog check). 3. Shudder, loss of power, check engine light on, limp mode. If you have a way to monitor the misfire counters that would be helpful. Re: 4. After a misfire code, new plugs were installed (not the wires, just the plugs), no more misfire. It rumbles for 1-2 sec. 4l 2v p0307 misfire under load: ignition coil replacement Diagnosing a misfire. Jan 27, 2021 · We recommend that you change your Ford F150’s transmission fluid once every 30,000 to 60,000 miles or once every two to four years. Under heavy acceleration my check engine light starts blinking and would just go off. Under light to moderate acceleration it sounds like an old 4 barrel carburetor has opened the secondaries, then starves for fuel. Jul 5, 2013 · 2011+ Engine Related Questions - 2013 f150 5. 8L stumbles/misses/bucks when accelerating, under load or climbing Problem Solved! - So, my 1995 5. 4 stumble under acceleration - I have a 2010 f150 platinum 5. 5 EB misfire! A thanks to all! - I have a current thread asking where to take the truck to get it diagnosed for the misfire, because I had already replaced the plugs and the codes were showing random misfires. Dec 23, 2022 · One of the most common causes of a multiple-cylinder misfire on an F150 is a failing cam phaser this has been a known problem for years (especially 2005-2012 Ford F150s and 3. Bad Fuel. Truck started to die sitting in idle, replaced the IAC, problem fixed. I followed Dec 29, 2019 · 2009 - 2014 F150 - 2013 F150 Ecoboost Highway Speed Acceleration Shudder with Bumping - Hi, I just did Austin to Dallas round trip in 2013 F150 Ecoboost 125k and had some badness. Jun 4, 2024 · Misfire/hesitation under acceleration. Bad gas mileage. 5L Ecoboost misfiring under heavy load. Since then, it hasn't happened, even under hard acceleration. How to diagnose an engine misfire Misfire coil ignition 4l 2v. sometimes it wont pass 3000 rpm it just stays there and backfire and have no power. 4L - 2007 5. Thanks Mar 18, 2016 · 2009 - 2014 Ford F150 - 2014 F150 ecoboost misfire issues. We bought it knowing it had 2 misfires. Acceleration under ford hesitation misfire paulAcura tl engine check light misfire 2008 expy misfire diagnosed finally!F150 problems catalytic converter. :shh: Good luck. Replacing the coil packs worked. Cranks but does not start. 7 V6 Engine Misfire - Back in August I was on a road trip from MN-CO towing my 22ft 5,000lbs airstream headed west on I80 in Nebraska. 6 – Other Causes of Sluggish Acceleration in Ford F-150; 2 Quick Fixes To Improve Your F-150’s Acceleration Issues Jul 6, 2023 · How to diagnose an engine misfireMisfire at idle. Problem Solved. Ford f-150 3. We bought new coils wires and plugs and egr because it threw a code. Diagnosing a misfire. They are presented in a somewhat logical progression. Discuss performance mods, towing questions, wheels, tires, lift kits, and much more! Show Less Dec 21, 2010 · 8 Cylinder Engines - 5. - Page 2 - Ford F150 Forum Jan 9, 2014 · 2011 F150 FX4 with 3. Also the power is much less. Sep 11, 2018 · 1987 - 1996 F150 & Larger F-Series Trucks - 5. This type of misfire does not set codes. They've done plugs, wires, condensation tsb and now they've ordered all new coils for that side. Post by Mike USAF » Sat Oct 22 Apr 27, 2024 · Diagnosing a misfire. Sep 15, 2021 · If there are start/cold misfire codes then you should check for leaking fuel injectors or leaking head gasket. Nov 19, 2014 · This article applies to the Ford F-150 (2004-2014) and the F-250, F-350 Super Duty (2005-2014). Here are the pico files from the live streamhttps://drive. It happened to me today( I'm assuming it did anyways). He found that a faulty MotorCraft spark plug was the cause of the shutter at 45-55 MPH and the rough idle. i have replaced all the cop's ,plugs, checked for vacuum leaks with starting fluid. It will start and idle perfect but if I take off down the road and accelerate real hard it will Oct 25, 2010 · I would lean to the fact that it may idle rough because of "worn-out" so to speak spark plugs, but I dont have any misfire codes and havent since replacing the #2 COP. I thought it might be the coils, but was frustrated with troubleshooting Jan 21, 2011 · 2004 - 2008 F150 - 2006 ford f150 misfire/poor accelleration fixed - It seems alot of people are having the same problem I had which I have resolved. Apr 15, 2016 · This article supersedes TSB 12-11-15 to update the vehicle model years, build date, Service Procedure and Parts List. ran sea foam through the tank. I swapped in a 85k mile 5. We bought it used in December and it has just under 97k miles. 2008 expy misfire diagnosed finally!. I was next to the Aug 30, 2023 · Last week my 2021 F-150 3. Misfiring randomly Misfire/hesitation under acceleration. 5 ecoboost check engine light came on after a couple of hard accelerations with misfires last night. Miss occurs at 40 to 50 miles an hour under part throttle while the trans is still in overdrive. Mar 30, 2024 · Misfire/hesitation under acceleration. It is a 2016 XLT, 5. There is also high pitched ringing or Nov 12, 2023 · Ford f-150 5. and starts acting up under accelerationThat usually suggests plugs/coils in many cases, especially if it occurs in May 27, 2024 · What causes a misfire in a 2006 f150 with a 5. 4 engine miss under acceleration - I'm dealing with an intermittent engine miss when under acceleration. jdillen New Member I started to feel the misfire there, pretty badly. Still get a general misfire code, Mar 19, 2022 · GEN 2 (2017-2020) Ford F-150 Raptor Forums. Dec 22, 2023 · Diagnosing a misfire. 2L Misfire Under Load When Engine is Cold - I have a 2007 Ford F150 4. The scan tool says it has code P0151 which is "oxygen sensor circuit low voltage bank 2 sensor 1". Mar 25, 2005 · I have a 99 Expedition 4. Vehicle Speed: A Misfire can be felt at any speed, but is most noticeable at low RPM. 0 which has developed a stumble and loss of power on acceleration. I was able to drive the donor vehicle prior to pulling the engine Sep 30, 2012 · 2004 - 2008 Ford F150 - Help! 2006 F-150 FX4 5. 6L, 5. It is a surging feel when slightly accelerating. 4L Triton Misfire - YouTube Apr 8, 2022 · 2015 - 2020 Ford F150 - Cylinder #1 Misfire (P0301) - Just passed the 7th Anniversary on March 31st with my 2015 Platinum Ecoboost. I decided because of its miles it was time for a tune up. Dec 21, 2014 · A user shares his experience of fixing a misfire problem on his 2006 F-150 XL, 5. 2002 f150 5. I ran an Actron diagnostic tool on it and it diagnosed cylinder 8 misfire P0308. Nov 14, 2022 · So I got a 2012 3. At about 5000km (about 3100 miles) the entire engine (long block) Jan 30, 2011 · 2004 - 2008 Ford F150 - 04 V8 5. Jan 29, 2021 · 13’ Ford F-150 3. Multiple warning lights flashed on the dash including but not limited to low oil pressure, no parking brake, no hill assist, and others I could not read trying not to hit Apr 14, 2013 · After going for a test drive jut to make sure everything was good, and i found that anything other than normal acceleration would cause some serious studdering and misfire. 2011 Ford F-150 Oct 4, 2010 · The plugs were changed 10,000 miles ago so I did not buy one. I live with it. - Ford Truck Enthusiasts Forums. I am getting random misfire codes, O2 sensor codes etc. I had all coil packs, wires, and plugs replaced at dealer, then they replaced high pressure fuel pump because it wasn't pushing enough psi and gave it back. 8L bogging under acceleration/load - Alright, guys here is the situation. I have a 1997 4. Apr 26, 2021 · Infrequent misfires are recorded but not tied to a particular cylinder, and on some platforms, this stores a P0300. 0 General Misfire on WOT or Heavy Acceleration. 5 help misfire. New plugs did not correct the problem and I've double checked my wires going to my coil packs. Related articles: How to Replace the Catalytic Converter in F-150 - Ford-trucks. Reason is they are not hard faults and are cancelled when the misfire goes away until it comes back again so do not set code or CEL. Ranger misfire p0303 intermittent. 5l ecoboost repeat engine misfires: diagnostic tips and Acceleration under ford hesitation misfire paul3v spark plug v8 4l plugs 2004 change 2008 dates engine build before misfire diagnosing rough bogging cold running still. It misfires badly when accelerating after 40mph. Check Details. Until today. First idea that comes to mind is taking it to your local Ford dealer. May 29, 2014 · Misfire occurs in 1st, 2nd, and 3rd don't have enough road to try a higher speed or gear. and it had 60k mileage. ARE Z-Series topper w/Yakima rack, Bilstein 5100's all around, StopTech Sport brakes, FR Gen 2 Radiator, Motorcraft RT1225 180 Thermostat, Saudi Trans cooler, CP-E Intercooler w/weep hole, CR Performance Engineering exhaust manifolds, Setrab 925 oil cooler with custom filter relocation, Firestone Air bags. 5 Ecoboost. Upon hard acceleration, the moisture gets sucked up and blows out sparkplugs. I've been having an issue with a shudder or jerking feeling when I'm on the interstate at higher speeds when accelerating between 1500-3000 rpm. Jan 6, 2017 · 2004 - 2008 Ford F150 - Truck jerks at slight acceleration at 45-50mph - Hey everyone. Mike USAF New Member Truck: 1999 F-150 4. Mid range/ under load misfire. Nov 28, 2018 · 2011+ Engine Related Questions - 2013 5. The check engine light came on and was throwing a bank 2 sensor 1 lean code. 31 e-locker, AEM drop-in filter, Self-fabricated grill insert, AVS low-profile vent shades, Falken Wildpeak A/T3W 265/70/18, BakFlip G2 tri-fold bed cover The 2009 Ford F-150 has 4 problems reported for stutters, jerks at acceleration. Replaced sparkplugs with Motorcraft SP-548. 052 and my truck was running worse than before but it finally threw two trouble codes, p0300 & p0316 (random cylinder misfire & misfire on startup). Misfire/hesitation under acceleration. Feb 16, 2022 · I am so frustrated with this truck. 7 EcoBoost stumble on highway acceleration - UPDATED: I have had an issue since I purchased the truck 10 months ago. Misfire coil ignition 4l 2vEcoboost 5l misfires Help! 2006 f-150 fx4 5. 8L Eddie Bauer Bronco did that too, but I Jan 4, 2015 · I had to pull off the road, CEL was flashing, turn off truck and back on. Codes read P03XX. I've been experiencing misfires under load. Nov 17, 2016 · 1999 F-150 v8 4. This is why you HAVE TO DRILL the 1/16" intercooler weep hole. This info shows every cylinder 65,535 count and 0 misfires. I Jun 14, 2023 · Ford f-150 3. Jan 20, 2024 · 2015 - 2020 Ford F150 - 2019 F150 Misfire - I have a 2019 XLT 5. If it misfires doing this it may be easier to verify if a "fix" has worked prior to towing. 4L Random Misfire Under Load - Hey all, I know this topic has been discussed before but I need some help. Help us diagnose this vehicle. t 38* in OD and light throttle. Today I was getting on the expressway and put the accelerator to the floor. 6L F150. - Friday I was headed to Michigan from Missouri and I was cursing down the highway and decided to hammer down and truck started to shutter so I got out of it and noticed check engine light was flashing. 9% I believe. It seems to run smooth when the cruise control is set running about 70-75 mph. Now you know the rest of the story. Dec 16, 2011 · Re: Misfire on acceleration 2002 F-150 4. 2013 F150 4x4 Eco SCREW with 3. Misfiring randomlyEcoboost 5l misfires Ford f-150 3. Yesterday i changed out my wires for the Ford Racing parts and started the truck. Oct 10, 2018 · Maintenance Shop - 2006 Ford F150 5. A lot of time f150 drivers share the stories of their truck misfire because of worn-out pistons and rings or faulty cylinder heads. - Just a note about a problem I have seen discussed here many times. 30 Mar 2024; Dec 19, 2015 · My 2011 f150 with 3. 0 screw. Ford f-150 5. P0300- random misfire detected P0303-cylinder 3 misfire detected P0305- cylinder 5 misfire detected this Sep 14, 2021 · 2021+ Ford F150 - Shudder/Jerking Issue When Accelerating - I have a 2021 F-150 STX 4x4 with the 2. I have had 3 lookers take it out and every one has come back with the check engine light on. - My dad jut got a 97 f150 with a 4. Drove in last night in good rain, but driving home today when I would accelerate there was stutter and bumping. 7 with 123k miles the engine developed an intermittent misfire under load, I went to autozone yesterday and they said I have codes PO305 P0022 and P052D. Love this truck, custom ordered it in January 2015, my name is on the window sticker. 73 rear. 5 EcoBoost engine) and is almost always the cause of a random misfire. If using a Scanner to look at ignition timing while driving, in a fault free system the timing will go advanced to abou. 5L GTDI (Ecoboost) / Current Mileage: About 40K (still under powertrain warranty) I am not a mechanic, just a frustrated owner who is trying to better understand the subject issue in an attempt to have Ford repair it. Mar 21, 2011 · 2004 - 2008 F150 - backfire under load during aceleration - i have a 2006 ford f 150 with a 5. 4l 2v p0307 misfire under load: ignition coil replacement. 4L 3V TRITON with 128152 miles. Under heavy acceleration the truck runs great. 0 Misfire - So I've had a 2013 f150 for about 6 months now. 2, 5spd 125,000 miles. 6 rough idle and surging - My truck has began idling rough and seems sluggish during acceleration. Heavy acceleration or Jul 1, 2019 · Turned off via ac button and it doesn’t do it. Ford f-150 3. Next is that the air filter in the truck was TOAST! Completely annahilated with dirt, debris, bugs, etc That is taken care of. This week I started having another issue where the vehicle seems like a miss but scanner shows no misfires on any of the cylinders. 5L EcoBoost (74k miles and the issues started around 67k I believe) Been going on for 3+ months now and driving me nuts! hit the accelerator pretty hard to get around someone (fair to categorize me as an aggressive driver, haha) and feel awful slipping/thumping/shaking etc. The threshold for a CEC light is . Jan 2, 2013 · 2011+ Engine Related Questions - Ecoboost missing/stumbling under wide open throttle - I finally had the missing/stumbling issue everyone talks about. Discuss performance mods, towing questions, wheels, tires, lift kits, and much more! Show Less Mar 15, 2011 · 1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, seems not to misfire under acceleration. 4l 2v p0307 misfire under load: ignition coil replacementAcceleration misfire hesitation under ford Misfire load mid range under ford. Dec 16, 2010 · 2004 - 2008 Ford F150 - 2004 screw 5. So far the dealership has replaced a coil and all spark plugs, misfire no longer severe, but still present. 5L Ecoboost developed a severe misfire at 65k miles. These misfires often occur under load from the engine, such as when you accelerate quickly. - I read and read about people having theses issues. Several times while sitting at idle the truck has surged forward. Oct 29, 2015 · 2009 - 2014 F150 - 2014 Ecoboost Misfire on acceleration - 2014 ecoboost Supercrew 4x4 20k miles It happened at the most inopportune time. 4-A Faulty Oxygen Sensor Can Ruin Your F-150’s Performance; 1. Cylinder 1&2 misfire and when I first picked it up o2 stuck lean bank 1 sensor 1. 0 stumble and loss of acceleration - I have a 2013 5. After some research, there are problems with the CAC and many of the trucks left the factory with Mis-Gapped plugs. Starts and idles fine, normal acceleration is fine, the only time it runs poorly is under heavy acceleration. Auto master x F150 problems catalytic solve How to diagnose an engine misfire. A few weeks ago I Nov 12, 2014 · Black_Mamba Regular Member Posts: 186 Joined: Wed Aug 17, 2011 1:28 am Truck: F-150 Lariat 4X4 Sep 18, 2023 · Misfire diagnose misfiring mechanic 1aauto How to diagnose an engine misfire Acceleration misfire hesitation under ford Misfire/hesitation under acceleration. I replace all spark p Dec 26, 2014 · 1987 - 1996 F150 & Larger F-Series Trucks - 1995 5. The other day I accelerated Dec 28, 2016 · This, in turn, strains the engine which leads to misfires. OEM COILS - Keep in mind no check engine light just a slight miss under light Oct 18, 2019 · 2011+ Engine Related Questions - 2012 5. About 3 months ago she developed a miss. When my 14 3. Consult your vehicle repair manual and the Resources section at the bottom of this post for help. 5l ecoboost repeat engine misfires: diagnostic tips andAuto master x. 6 Shuddering feel on acceleration. It used to feel like driving a sports car with the responsiveness and pickup, but now feels slow Dec 23, 2014 · 1999 to 2016 Super Duty - 5. 2L V6. But they would show up on Forscan Mode 6. 8L) is bogging below 3000RPM. 0L Roush Supercharger with 88K miles. Lack of power upon acceleration. It misses and bucks until you depress the pedal enough for it to kick out of overdrive. Spark Plugs are one of the most common reasons your truck will jerk when accelerating. hesitation during acceleration; lack of power; misfires; surges; The most common problem withthe MAF sensor is dirt trapped inside the sensor, usually around the hot wire. - Need some advice here, I have a 2015 F150 3. I have never had a code before but have noticed some misfires form time to time under hard acceleration. Often misfires occur at low RPM and higher loads. Plugs Aug 7, 2024 · What If F150 Misfire Is Happening Due To Internal Engine Defects? This is the worst-case scenario if your f150 misfire under acceleration due to engine parts damages. After about a month I was able to replace the driver side cat and about a week later replaced the passinger side cat. Nov 23, 2014 · Vehicle: 2012 Ford F-150 Lariat 4WD Supercrew / Engine: 3. A couple weeks ago the truck started hesitating or missfiring upon acceleration from coast or deceleration. Latest Ford Parts:Ignition Coil (2011-2016)-https: Aug 2, 2020 · 2015 - 2020 Ford F150 - Vibration, Shudder fixed finally - I've struggled with Vibration - Shudder since I've owned this truck. Was taken to the Ford dealer on 4 occasions while under extended warranty, warranty recently expired. The shudder will continue unless you increase the throttle and it shifts down or manually shift down. Hold the brakes and load the engine a bit. 4 engine (145k) in my 2001 expedition. Apr 20, 2024 · Sparky's Answers - 1999 Ford F150, P0306 Misfire Cylinder #6. Average repair cost is $540 at 110,500 miles. I have had my 2005 F150 KR 80,000 miles, no mods up for sale for about 2 months now. when i took it to the dealership on my home today, they did a scan. Mar 25, 2017 · 2015 - 2020 Ford F150 - 2016 5. F150 Misfire Under Acceleration. com May 21, 2018 · 2012 SCREW Eco FX4 Tuxedo Black, Fully loaded, Max Tow, 3. If my foot was not already on the brake Nov 1, 2019 · A misfire is the most common reason your Ford F150 jerks while accelerating. 4 from a running 2001 Expedition. 3 – Worn Out Spark Plugs Hold Back Your F-150 Acceleration; 1. The most common culprit is a problem with the ignition system. the engine only has 2800 klms on the engine. Jun 10, 2024 · 1. Misfires randomMid range/ under load misfire. And I has a horrible misfire under hard acceleration and the flashing check engine light, so I changed the spark plugs, ran some injector cleaner and it made a world of difference, it runs absolutely perfect unless I'm seriously getting on it, no check engine light or anything but it shudders and sorta feels like it's missing when in the Dec 17, 2017 · 1997 - 2003 Ford F150 - 97 4. Running 87 octane now. I swapped out a blown 5. thanks Feb 14, 2012 · 2004 - 2008 F150 - 04 f150 5. Fuel economy sucks, about 8 to 9 mpg. 2002 F150 5. Mar 28, 2011 · 1987 - 1996 F150 - 5. So multiple cylinder misfire. Jump to Latest It'll misfire at high rpms and load, as if I Aug 1, 2019 · 2015 - 2020 Ford F150 - 2. 5l v8 misfire code. 2011 Ecoboost has a BAD misfire condition under hard acceleration, to the point that it seems to go into a limp mode until I back off the throttle and feather it for maybe a 1/2-mile Nov 28, 2008 · 1987 - 1996 F150 & Larger F-Series Trucks - Misfire under load. 4 bucks/jerks under slight acceleration - It just started doing it the only way I can seem to figure out how to explain it is at about 50 to 60 under slight aceleration or uphill it bucks or jerks like you have a trailer jerking. Last month i bout a 2002 f150 stepside for a good deal. Have had it to the dealer 3 times and they replaced an ignition coil and re-flashed the computer control module. 5 Misfire-Tried everything, I think. 0 coyote that is having misfire in cylinder 3 and 4 with loss of HP and poor gas mileage. It needed a new fender and door, but I have been driving it for the last week as is. 8 Misfire - I have been having a misfire problem for a while and it seams I'm not alone. 5 eco Boost is in my wife's 2016 Ford Expedition, I can't imagine they are that different between the truck and suv version. It had a misfire under sever load. 2L V6 Misfire Mystery. 8L Eddie Bauer Bronco with ~130K miles stumbles/misses/bucks under light acceleration or under load or climbing. Jul 28, 2020 · There are quite a few reasons that your F150 would shake when accelerating. I am having a problem with it stumbling and missing under cold acceleration. I said if it's not covered it must not hurt the engine so I'm not going to fix it but was told that it definitely needs to be fixed. There is no check engine light and no code when I hook up a scanner. That would cause a misfire on first start up in the morning. I can feel a rotational vibration or hinderance. The truck has 116,500 miles on it and had about 111,000 on it when I bought it a few weeks ago prior to driving it from Alaska Jul 13, 2017 · 1997 - 2003 Ford F150 - 2000 4. 4L 2v P0307 Misfire Under Load: Ignition Coil Replacement. 4 firing order Ford f150 misfire cylinder fixHow to fix a cylinder misfire on a ford f150. Ford ecoboost has a misfire under load. net is the best Ford F150 Ecoboost Forum with discussions on 2011+ F150 Ecoboost Trucks. Problem started with the Driver side cat giving me a P0430 code. 0 4 speed stick that has just started to sputter and bog upon acceleration, but it starts sputtering and bogging after about 5 minutes of driving it. 7 and 10 speed transmission. 5 misfire problems - first thing, this 3. May 13, 2016 · if you are experiencing loss of power, acceleration misfire, stutter, and poor gas mileage, you are suffering from moisture/condensate that has accumulated in your intercooler. My old 1993 5. Infrequent misfires are recorded but not tied to a Customer: My F150 ecoboost, I had a hard acceleration onto highway. Sep 4, 2011 · 2004 - 2008 Ford F150 - 2008 5. 5L GTDI - Intermittent Stumble/Misfire On Acceleration From Highway Cruise In Humid Or Damp Conditions, Possible P0304,P0305,P0306,or P0430 Attachments: Last edit: 6 years 6 months ago by Tyler . 6L 73,000. So I thought it would be a good idea to post this to possibly save people some money. The most common situation where you will feel misfires is in high gear, low RPM, and with the gas pedal to the floor. 4 missing while under load - I have a 2007 super duty with a 5. No issues since. F150 5. It changes every Oct 20, 2011 · 4. Oct 22, 2019 · Maintenance Shop - 2012 5. 4 that i have been battling for a year. Misfire but no code F150 solve converter catalytic. Was told new plugs would be needed after they could not find anything on 3 prior visits. We drove it around and it was rough at almost any rpm and it was a total dog, absolutely no power or acceleration. 4 bucking and misfiring during acceleration - 07 5. It still misfires under heavy acceleration. 30 and SP-580. At approximately 45-50mph, in overdrive, if i lightly accelerate, the engine misfires and the truck Dec 18, 2018 · 2009 - 2014 F150 - Misfire on heavy acceleration. Well turns out im getting the brunt end of that deal. Feb 14, 2024 · So after I changed the spark plugs on my 2017 2. 4 l. Feb 15, 2024 · Ford f150 triton lariat 2007 4l misfire issues posts2007 ford expedition 5. There are many different problems that could cause your engine to misfire under load. Oct 13, 2013 · The whole left side of my motor misfires severely under heavy acceleration all three cylinders. May 13, 2016 · I have a 2015 f150 super cab 4x4 xl with the 2. And only on light acceleration. Felt like the truck was having issues switching gears or something. Smell of unburned gas exiting the tail pipe. The more your drive, the more you will have to change the transmission fluid. 5l ecoboost repeat engine misfires: diagnostic tips and. F150 problems catalytic solveHow to diagnose an engine misfire Diagnosing a misfire. It’s a 2014 Lariat with 83,000 miles 3. Dec 6, 2019 · General F150 Discussion - 2013 Ford F-150 3. The ones with the high counts have faulty coils. Only under full throttle. 4l triton misfire . It is not related to vehicle speed or engine speed. they will call me tomorrow Then under hard acceleration it gets sucked up into the engine and will cause that condition. Oct 8, 2023 · Misfiring randomlyMisfire load mid range under ford F150 solve converter catalyticFord f-150 3. I changed All plugs with platinum. It happens when its warm usually. A misfiring engine is one of the most common reasons your F150 will shake when Feb 6, 2024 · How to diagnose an engine misfireFord f-150 3. 5 ecoboost with 175,000 miles running rough under wide open throttle or load, multiple misfire codes, #3 misfire code. 5L New to me. I have a shudder under acceleration. Had codes pulled and it had a history of 3 P0302 codes (Cylinder 2 misfire). Mar 19, 2020 · 1973 - 1979 F-100 & Larger F-Series Trucks - Misfire/hesitation under acceleration. Jan 27, 2018 · 2011-2012 F-150, 3. When that occurs, the miss goes away so it's only under load at lower RPM. It's recorded on the laptop and they still can't fix it. Sep 25, 2011 · 2002 150 4. The computer said it was a misfire for cylinder 1 Jan 1, 2018 · Check engine light blinks for a bit, then turns solid. 13 f150 5. On the interstate its bad enough that it feels like the transmission slips pretty bad for about a second or so. 0 General Misfire Under Heavy Acceleration - So, I've tried just about every fuel, 87, 89, ethanol free 89, 91, 93, and e85. 5L with about 33K developed a fairly hard shudder under low RPM cruising when a light amount of load is added, like accelerating slightly or going up a small rise. That was not the case. Spark Plugs– Even under the best conditions, spark plugs will eventually need to be replaced. Sparky's answers. But mine was at wide open throttle once the truck went over 60 mph. The result is an engine that stumbles, idles roughly, and doesn't perform at 100% power. 6 misfire and rough idle. 4 Triton misfire/acceleration issue - Hello, I am new to the forum and have been doing research to try to figure out what is wrong with my truck. Ford F150 Multiple Cylinder Misfire: Causes, Symptoms, Fix It. I am Nov 30, 2012 · I've scoured the forums here and can't seem to find anything definitive on this problem. Here are some common misfire causes. I love the truck (as compared to my 93 Civic I was driving, plus it should haul my trailer instead of my Jul 15, 2009 · Alright I changed my plugs, I put the new ones in with a gap of . Average repair cost is $500 at 62,000 miles. Here are the most common ones. Any advise on where to look next? Oct 4, 2018 · 2004 - 2008 Ford F150 - 2007 Ford F150 4. 5 – A Clogged Catalytic Converter Affects F-150 Acceleration; 1. sometimes the check Apr 19, 2010 · I too have the same problem with my 2009 F150 lariat 5. 7 ecoboost 10,300 miles bought brand new, and the other day under acceleration it stalled out, bucked violently, and died. I have a 2005 Ford F150 Ext Cab 5. 4 Misfire/Hesitation on acceleration - I have an F150 V8 5. The reason for a melted or clogged catalytic converter is an engine that runs rich and sends unburnt fuel to this component where it does burn. so I assumed it was time for Plugs, Nov 24, 2016 · I have a 2006 Ford F-150 XLT 4X4 5. Nov 22, 2022 · To look for a failure without a code, look in mode 6, test 53 for misfire counts on all cylinders and service that first if found and to see if misfires are cleared. 90k Miles. Four days later again the light would blink then go off at hard acceleration then stay on again. - 2013 F150 Limited. they told me cylinders 1,2,3 were reading a misfire. 3v spark plug v8 4l plugs 2004 change 2008 dates engine build before misfire diagnosing rough bogging cold running stillMisfire but no code Misfire fordF150 ford 1999 Aug 28, 2021 · 2015 - 2020 Ford F150 - 2017 F150 Misfire Problem - I have a 2017 F150 5. This lasts anywhere from 3 Mar 13, 2022 · y 2017 3. It's still under warranty. Random misfiresF150 misfire 2006 occurs traveling when figure Active fuel management problemsFord f150 ecoboost misfire fix, coil replacement. 7 ecoboost started to shake and the engine light came on. Jan 5, 2015 · Modular V8 (4. It's always had a random misfire when idling and sometimes when driving on the interstate. Nov 1, 2019 · On scanner, over 100% load and around 5000 rpm, cylinder 1&2. So at around 90,000 miles the truck started misfiring and hesitating on acceleration and at Idle all day long no matter how long I drove it. When you start up a hill it will shuter like it is missing but check engine light is not on could this be a coil and how would check for a bad coil if check engine light is not on to use meter. com/drive/folders/1Oxp Jan 9, 2011 · 2004 - 2008 Ford F150 - Misfire under acceleration, random P03 Codes - New member, long time Ford owner. I was expecting to see a cylinder or 2 that were showing misfires, but not enough to throw a CEC. -Clark 2013 Ingot Silver SuperCrew XLT - Texas Edition, 3. engine light came on, still running and then miles later it reset and was running fine. A misfire is what happens when a cylinder fails to combust its air/fuel mixture correctly. - So, I've tried just about every fuel, 87, 89, ethanol free 89, 91, 93, and e85. 6L 2V - 4. I thought it was misfiring or driveline related. Book says it's just a misfire and its a protection mechanism to keep the cat converter from overheating. I had a slight mis at idle and then at partial pedal. . I’ve drilled the cac, put new motorcraft plug in it, and new ignition coils. 9 posts • Page 1 of 1. hopefully someone will be of help to me because the dealership has been absolutely none, all theyve done is take my money. Sometimes it happens when I'm Jul 26, 2020 · F150Ecoboost. 5l ecoboost repeat engine misfires: diagnostic tips and Aug 7, 2022 · Truck is a 15 F150 with 3. Would start to break down at 4K but wouldn’t register a misfire at that rpm. Misfire. Under hard acceleration the truck violently misfires and pops like it's severely missing! Took it in to find out that it Definitely needs to be fixed but isn't covered under the 60,000 power train warranty. Apr 22, 2015 · 5. Spark plugs are gapped to . Often, using a MAF sensor cleaner will help restore proper operation. May 9, 2023 · 2015 Ford F150 3. 4 it has 93000 miles on it. Oct 22, 2016 · 2009 - 2014 Ford F150 - 2011 5. Best to do both. 4 misses ,lean bank 1 under load - the truck is terrible on the highway, no acceleration over 50 or so but is fine around town. Coils that misfire without setting a code have shorted turns. 4L) - 07 F150 Misfiring Hesitating on Acceleration - I have an 2007 F-150 5. 1. Aug 2, 2016 · Second; If you use a Scanner and look at mode 6, test 53, this will show the misfires counts for each cylinder. Sparky's answers3v spark plug v8 4l plugs 2004 change 2008 dates engine build before misfire diagnosing rough bogging cold running still How to diagnose an engine misfireFord ranger intermittent Feb 13, 2018 · 2004 - 2008 Ford F150 - 5. Aug 21, 2018 · 2011+ Engine Related Questions - Ecoboost misfire problem - I am at my wits end with the “new” to me truck. If I baby it it'll accelerate fine. I also found a couple TSB's. Wearable's have been replaced cap and rotor plug wires, vacuum Dec 27, 2017 · 2004 - 2008 F150 - Intermittent shaking like misfire but no codes - The truck seems to run and drive fine but there are times when I feel a high frequency shaking. 4 with 92000 miles that I just got about a month ago. The next day I travaled 100 miles the last 30 miles of my trip the truck started to misfire and shutter or buck under acceleration. Nov 20, 2021 · Maintenance Shop - 2015 ECO 3. The truck immediately began to misfire rather badly Jun 4, 2010 · 2004 - 2008 Ford F150 - Blinking Engine Light After Heavy Acceleration - So, 2 times in the last week, when I mash the go pedal to A) get on the freeway, and B) today, pass a fuel tanker, when it get to about 4 grand, it starts shaking bad, and the engine light starts blinking for about a half a mile. It doesn't seem to have the same problem when in neutral, but it's possible I just don't feel it because I'm Apr 5, 2014 · If one or more coils had shorted turns and low voltage that could not fire the Lean mixture so you had misfires. 2L V6 Post by willy j » Sat Aug 18, 2018 11:49 pm Countryboycc wrote: ↑ Sat Jun 23, 2018 8:26 pm My ford f150 i misfiring in cylinder 1 what might be the. Jan 14, 2024 · Misfire load mid range under ford How to diagnose an engine misfire Ford f-150 5. Aug 25, 2020 · I know we can get misfires on these trucks without throwing a code. Apr 10, 2015 · When I checked it was cylinder 1 misfire. Lots of shuddering happened and I lost 50-80% power. I have had it in several times, with no results. Now the truck was fine before this, so obviously I did something. No codes get thrown so I can't say what cylinder it is but I am having a hell of a time figuring out what it is. 0 Mystery Misfires - Hello f150forum members Hoping to get some ideas on the following, but first here is the quick history of my f150, that is turning out to be a real pain in the *****. 4L 3v 4x4 with 149k on it. This is what causes the misfire. The engine groan is loud under any load, such as going uphill. Had a slight misfire so I changed Spark Plugs and Coils. 4 EB Expedition, 160,000 miles. The 2012 Ford F-150 has 13 problems reported for engine missfires under hard acceleration. 5 ecoboost f150 3. I have replaced the map sensor, egr valve, egr position sensor, fuel Nov 14, 2008 · 1998 5. At one point had a p2195 code also. vcaev fjes msh bmk ujfg jaxle xbmc gjfycd dxbay fvnca