Sep 15, 2010 · I have a similar set of circumstances as WMD. 97 4x4 with 4.6 engine, 125000 miles. Plugs and wires changed at about 100k. Vehicle has similar shuddering issues as he describes, but with a couple of other issues. If the truck is parked on level ground or on a hill nose up, the vehicle misfires strongly on startup for about 30 seconds and then ...swhite005. 1997 - 2003 F150. 6. 12-19-2005 07:42 AM. 1999 to 2016 Super Duty - Engine misfire cylinder 5 and now 7/8 - Alright so I had the worst luck these passed couple days, truck started running like crap 3 weeks ago (misfiring), long story short FINALLY got the p305 code, So I popped on a coil pack on cylinder 5, but when I took the coil ...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. So I thought it would be a good idea to post this to possibly save people some money. Mine started out as a misfire problem which I first changed the plugs.Anyone else having trouble with a misfire problem in their 4.6 V8 Triton., About 3 months ago my motor started to run rough at idle and the engine light came on, brought it to a Ford dealer and he said it was a misfire code on clynder 8, he changed all the plugs with Platium plugs and new platium wires. 2 days ago the engine started running ...2009 - 2014 Ford F150 - Cylinder Misfire! 2011 5.0 F-150 - My 2011 5.0 has been misfiring. Codes, P0307, P0308, Cylinder (7 & 8). I replaced the spark plugs twice, replaced the ignition coils and the cables are fine. The cylinder does not have low compression either so I think it may be the fuel injectors but I'm not...1998 Ford f150 4.6 misfring on #4 cylinder have change everthing can drive a 100 or more miles and when i slow down at a low rpm the check engine comes on same cylinder every time or it maybe two or three days before it detack a misfire. Answered in 5 minutes by:Apr 11, 2018 · After changing everything externally related to #8 cylinder, it still sent "misfire code." Compression check revealed #8 to be about 30psi weaker than other ...26 Sept 2018 ... ... 33K views · 22:11 · Go to channel. Ford F-150 Cylinder 8 Coil Pack Replacement. JB's Lawn Care & Maintenance•38K views · 7:21 &mid...Mar 23, 2018 · 2004 - 2008 Ford F150 - Misfiring on cylinders 3,4,7,8 - Hello, I have a 2007 Ford f-150 5.4L 3v and while towing a very light trailer I got the check engine light flashing and the truck started to shake while trying to maintain speed. The vibrations will go away at higher RPMS (2400+) but any lower it will shake...1. Bad Cam Phaser: 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 …GEN 2 (2017-2020) Ford F-150 Raptor Forums. Ford Raptor Engine Discussion and Performance Mods . Misfire Issues. Thread starter Misfit_1122; Start ... Gen 2 3.5L EcoBoost Cylinder Misfire. fordraptorfun; Dec 27, 2023; Ford Raptor Engine Discussion and Performance Mods; Replies 4 Views 2K. Dec 27, 2023.P0302 in the Ford F150 is a common OBD II trouble code. It indicates that your truck’s second cylinder has a misfire. P0302 is a real drivability concern and should be dealt with right away. If it’s bad enough to cause your F150’s check engine light to come on, you shouldn’t drive your truck at all. Repairing P0302 should be considered ...2009 - 2014 Ford F150 - Low compression 5.0 V8 - Truck has been running at low RPM with a random hard start. It tossed a P0230 code. I thought it was going to be a fuel pump issue. Ran a compression test and this is what I got. 5% low on cylinder 7. Freaking out that this is going to be a serious concern.1997 - 2003 Ford F150 - 1998 4.6 misfire - Before I start, just did a tuneup so I have new plugs and wires...have a misfire coming from cylinder 4. It's been a week since tuneup. I replaced coil pack and didn't help. I've noticed that when the truck is first started it doesn't misfire until it has warmed up to normal...What happens is unmetered air enters through the manifold gaskets while the engine is cold causing a vacuum leak around the ports for cylinders 7 or 8. As the engine warms the seal improves. A scan tool with fuel trim data could confirm this. Modular V8 (4.6L, 5.4L) - 2009 F150 Cylinder 7 & 8 misfire issue.I have a 2008 F-150 5.4L V8 with 295000km. First the truck started shaking and losing power at about 100km/hr, I got a P0304 cyliner #4 misfire code. I switch the coils between #2 and #4 cylinders to see if the problem would follow, And it did so replaced the coil on cylinder #2. Then, the truck starting shaking again and the code reader told ...1997 - 2003 Ford F-150. Looking for recent topics? 1998 F150 4.6L Cylinder 8 Misfire - Need advice. 17 posts • Page 1 of 1. gahomegarden New Member Posts: 11 Joined: Sun Aug 28, 2011 8:00 pm Truck: 1998. ... The issue I am working on now is a code PO308 Cylinder 8 Misfire. The truck has not had proper maintenance that I could tell so I was ...After changing everything externally related to #8 cylinder, it still sent "misfire code." Compression check revealed #8 to be about 30psi weaker than other ...2019 F150 5.0 Misfire. Hey guys, any help would be nice. I have 2019 f150 27000 miles. I have true dual exhaust with cold air intake on a 3 inch lift with 35 inch tires. At one point i was have a fuel to air ratio code being thrown. Ford told me i had to take all my aftermarket parts off and put stock back on.A misfire is what happens when a cylinder fails to combust its air/fuel mixture correctly. The result is an engine that stumbles, idles roughly, and doesn't …03:18 PM. 09:39 PM. 11:51 AM. 1997 - 2003 F150 - Misfire Cylinder # 3 Diagnosis - Changed coil and spark plug on cylinder # 3 on the 10th Gen F150. A closer look at the Coil and Spark plug resulted in the coil appearing to have moisture accumulation on it. The tech air dried the spark plug hole and moisture appeared to emit.Created: 11 February 2011. Updated: 12 December 2022. Articl Id: 346. Testing a misfire code (P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308) can be quite …14 Dec 2018 ... This beastly mega-cab 2014 Ford F150 EcoBoost falls on it's face just as the boost kicks in, and things are about to get really fun!2004 - 2008 Ford F150 - 2008 F150 4.6 misfire - I have a 2008 F150 4.6 that I just replaced the upper intake manifold because of a coolant leak. Here is the issue... when I started it, it got a nasty misfire that wasn't there before and tripped a misfire code. The left converter got the rotten egg smell and started to...codes that came up. i borrowed a code retriever and the codes were. 1) P0022 camshaft postion acttuator A Bank 2 timing over -retard. 2)P0171 Bank 1 system too lean. 3)P0300 random/multiple cylinder misfire. 4)P0305 cylinder 5 misfire. 5)P0306 cyl 6 misfire. 6)P0307 cyl 7 misfire. 7)P0308 cyl 8 misfire.Join Date: Oct 2017. Posts: 555. Likes: 255. Received 81 Likes on 64 Posts. Come on....'18 5.0 Cyl 1 and 6 misfire. Anyone with a new f150 have any similar codes? I just got mine a month ago. Yesterday (cold out) got a cel. Checked codes today and it was a Cylinder 1 and 6 misfire (P0301b and P0306) .Re: 05 5.4 L Misfire Cylinder 6. by job1000 » Fri Nov 05, 2010 11:11 am. Sorry I left out the main part. The injector did solve my initial problem. Unfortunately from running the truck while dumping to much gas throw it also killed one of my cats. I found a bolt on replacement on ebay for $300 and now trucks runs better.Re: Cylinder 6,7, and 8 Misfire, and Smoking. by blackbag » Thu Jul 09, 2015 7:15 am. Update on fuel pressure, turning key on and off shows 0 pressure. I did this 10 times and it remained at 0. Starting the engine it jumps to 31 PSI taking the hose off regulator jumps 10 PSI to 41 PSI.2009 - 2014 Ford F150 - Fixed my 3.5 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. I thought it might be the coils, but was frustrated with troubleshooting...P0306 is a generic diagnostic trouble code (DTC) defined as "Cylinder 6 Misfire Detected.". Your car's Engine Control Module (ECM) or Powertrain Control Module (PCM) registers this code when it detects a misfire on cylinder number 6 of your engine. Vehicles with internal combustion engines move when they ignite the air and fuel mixture ...I have a 2004 ford f150 5.4l (new body style) with 100k miles on it and it is misfiring in the number 1 cylinder when it is cold. As soon as the truck warms up, everything seems to be fine. This only started about two months ago and before that every thing ran fine. The computer is not throwing any codes so it is all about a ruff idle for the ...28 Jan 2018 ... If a cylinder is more than 10% different in compression than the other cylinders, then it's almost certainly a blown head gasket ( ...P0308 is a diagnostic code that indicates an engine misfire on cylinder 8 in a Ford F150. Common causes of this misfire include a faulty spark plug, worn spark plug …Here's a quick rundown of the most common issues that can lead to misfires in vehicles equipped with the 5.4 Triton engine: Faulty Ignition System: A weakened ignition system can lead to inadequate spark plugs firing, resulting in misfires. Worn Spark Plugs: Over time, spark plugs can become worn, leading to improper combustion and engine ...Replacing a bad vacuum line may resolve the misfire or help the engine run better. 3. Disconnect the fuel injectors one at a time and look for a change. If you're still having trouble finding the misfiring cylinder, disconnect the power to the fuel injectors one at a time to see its effect on the engine.Cylinder 8 misfire while cold, evens out and goes away at operating temps. 118k, steady. 2014 F150 Lariat. I am with - Answered by a verified Ford Mechanic ... Hello my name is ***** ***** customer has brought me a 2003 ford F150 5.4L. Has a misfire on cylinder 8 only under a load or just driving between 40-45 MPH. Stepping on gas pedal misfire ...Cylinder number 1 in code P0301 would refer to the first cylinder in the firing order as well as the forward cylinder on the crankshaft. For example, on a Ford V8, the cylinders are numbered 1 to 4 on the passenger side bank and 5-8 on the driver side bank, beginning at the front of the engine.The check engine light finally went from flashing to solid and it turns out it is cylinder 3 misfire. And it's random, most time full throttle won't cause an issue but I have had a part throttle misfire. ... F150Ecoboost.net is the best Ford F150 Ecoboost Forum with discussions on 2011+ F150 Ecoboost Trucks. Discuss performance mods, towing ...Ok so here is what is going on. I have a 2012 F-150 with a 5.0 Engine in it. It has 52,000 miles on it. In September the check engine light popped and it stated the cylinder 8 was misfiring. We replaced the spark plug as it looked a …Just had my 2012 F-150 5.0 in the shop for brakes, had them run a diagnostic on the truck since I've been having some skipping issues, and they reported the number 7 cylinder was misfiring. It's very similar to the skipping/hesitation on the 5.4L 3V when the plugs or COPS were bad. The truck has almost 74,000 miles.Hello Fellas! I have a misfire on cylinder #8 within the first 1000 revolutions on startup. I have replaced the spark plug in the past and the problem would go away for a few months. When the light would come back on I would replace the plug and get a few months with no check engine lights. I switched the coils around and the problem doesn't ...Code says misfire on cylinder 8 and running lean on bank 2. I just replaced all 8 plugs not even 2,000 miles ago. I believe the lean code is due to an exhaust leak where the exhaust manifold connects to the pipe, its only about 3" in front of the O2 sensor because ive had that problem before on the oposite side and i was able to fix it.1997 - 2003 Ford F150 - Misfire on cyl 8 - Truck is a 97 f150 4.6 vin W. Ok guys, a little back story. The truck would misfire on cyl 8 about a month or so ago and I found the new plug wire was out. Checked and made sure the plug was tight, it was. Hm, must've not put it on right.Code P0304: Cylinder 4 Misfire Detected. FIXD explain symptoms, causes, and severity of code P0304. See guide to diagnose and fix engine light code P0304 ... F150Ecoboost.net is the best Ford F150 Ecoboost Forum with discussions on 2011+ F150 Ecoboost Trucks. Discuss performance mods, towing questions, wheels, tires, lift kits, and much more!2014 5.0 Misfire issue Please Help. Milage lowering getting worse indicates a rich air fuel mixture more than normal. The O2 sensors control mixture, the upstream one that is. The system is trying to compensate for poor ignition but you have all new parts. If ignition is ok and fuel is ok, that leaves airflow.May 2, 2014 · All times are GMT -5. The time now is 01:20 AM. 1997 - 2003 F150 - 1997 f150 4.6, misfire on both #1 and #8 - Hello everyone, I've got a 97 f150 that has randomly started missing over the last month. It has started to get more frequent and codes are showing a misfire on both cylinder 1 and 8. Both of these cylinders run off the same coil pack.2015 - 2020 Ford F150 - Cylinder #1 Misfire (P0301) - Just passed the 7th Anniversary on March 31st with my 2015 Platinum Ecoboost. Love this truck, custom ordered it in January 2015, my name is on the window sticker. Currently we have 152k on the clock, very few issues that were not easily and cheaply diagnosed with...The FIXD wireless OBD2 scanner and free app for iPhone and Android translates your check engine light into plain English so you can rest easy. In this video,...Re: 4.2L V6 Misfire Mystery. by F150Phule » Fri Oct 21, 2011 5:12 am. What brand of plugs did you install. Bosch plugs don't seem to work well with these motors 99.9% of the time. Not sure why but these motors are finicky when it comes to plugs. Stick with Motorcraft, Autolits or Denso iridium plugs. I put in a set of Bosch a few years ago ...The claim was that sometimes Ford COPs failed in such a way as to cause electrical noise. This would cause a DIFFERENT cylinder to misfire. It might have been something along the lines of it caused another cylinder to fire early enough to screw it up when it got its actual trigger. Just something to think about.1997 - 2003 F150 - P0306 #6 Cyl misfire - So my 99 F-150, 4.2L started throwing a code a few weeks ago, P0306 #6 Cyl Misfire. This thing has got 238,000 and has been the most reliable commute vehicle I've owned. Today I changed all the plugs and wires (they were due anyways) which didn't resolve the issue.Hello Fellas! I have a misfire on cylinder #8 within the first 1000 revolutions on startup. I have replaced the spark plug in the past and the problem would go away for a few months. When the light would come back on I would replace the plug and get a few months with no check engine lights. I switched the coils around and the problem doesn't ...1997 - 2003 F150 - #8 cylinder misfire, can't figure it out. - Ok, long story, but i want to give you all the info. I have a '99 150 with a triton 5.4 appx 130k miles. About a year ago i had the #4 COP go out so i changed it and all the plugs at the same time. My dad was driving it about 2 weeks ago and it blew out...I've got a '99 F150, 132k Miles, 5.4l. Las week it came up with a bad misfire in the number 4 cylinder. I've been through everything on it, switched coil packs around, still misfiring. Removed, checked, and cleaned fuel injectors, and also swapped the injectors from cylinders 1 and 4 just to verify. I swapped the coils from 2 and 4.Received 14 Likes on 13 Posts. 2013 Ford F-150 3.7 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. 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 keep driving because 1m ...1 Apr 2024 ... How to fix a P0308 Code: Cylinder 8 Misfire Detected Spark Inline Tester Tool https://amzn.to/465UWj7 An engine misfire is when a cylinder ...Likes: 182. Received 107 Likes on 74 Posts. 2011 5.0 Slight Misfire. Just under 105K miles. I am getting this ever-so-slight jerking/missing feeling when I'm at very low rpm's; and give very light acceleration. It's most prominent around 50 mph, and 1500 rpm's in 6th gear. Just cruising down the X-way; give a little gas to get to 55; and I get ...2011 5.0 cylinder 2 misfire issues. 2011 5.0 cylinder 2 misfire issues. I have 107,000 miles on my truck and started having issues with my truck "bucking" going down the highway under a light load. I hooked up my code reader and using mode 6 I was showing misfires on cylinders 1,2 and 3 but no CEL or codes were being thrown.I have a similar set of circumstances as WMD. 97 4x4 with 4.6 engine, 125000 miles. Plugs and wires changed at about 100k. Vehicle has similar shuddering issues as he describes, but with a couple of other issues. If the truck is parked on level ground or on a hill nose up, the vehicle misfires strongly on startup for about 30 seconds and then ...2015 - 2020 Ford F150 - 2018 F150 5.0 misfire?? - My 2018 F150 with the 5.0 V8 (~15,000 miles) occasionally has a rough idle/misfire when I start the truck. It's only happened maybe three times total but each time I had to turn the truck off and restart it. When it happens the truck idles very roughly and shakes and...2007 f150 4.6 misfiring need help please. hi I am new here. I am having trouble navigating to find if anyone else has had the same issues im having. ok I have 2007 F150 2WD 4.6 V8 140K miles. the truck is misfiring and has a lack of power. I had taken the truck to autozone to read the trouble codes due to having a check engine light.Apr 9, 2023 · Code P0308 Ford Description. Misfire is defined as a lack of combustion in a cylinder due to the absence of a spark, incorrect fuel metering, low compression, or any other cause. When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position ( CKP) sensor signal to vary, the Engine ...I have a 2004 ford f150 5.4l (new body style) with 100k miles on it and it is misfiring in the number 1 cylinder when it is cold. As soon as the truck warms up, everything seems to be fine. This only started about two months ago and before that every thing ran fine. The computer is not throwing any codes so it is all about a ruff idle for the ...But numerous factors are at play regarding a cylinder misfire (or P0302 misfire codes). You should also note that if other trouble codes go with P0202, chances are there is more than just one culprit. The code P0202 itself indicates problems with Cylinder 2. ... P0022 Code Ford F150 - Must-know Things. Leave a Comment Cancel reply.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. So I thought it would be a good idea to post this to possibly save people some money. Mine started out as a misfire problem which I first changed the plugs.After changing everything externally related to #8 cylinder, it still sent "misfire code." Compression check revealed #8 to be about 30psi weaker than other ...P0308 is a fairly common trouble code with the Ford F150. It's and OBD2 code and means that a misfire has been detected in the 8th cylinder in the firing order. You should only be seeing this code if you have an engine with at least 8 cylinders. So, it's mostly a code for V8+ engines. P0308 is typically caused by bad spark plugs, plug wires ...Re: 05 5.4 L Misfire Cylinder 6. by job1000 » Fri Nov 05, 2010 11:11 am. Sorry I left out the main part. The injector did solve my initial problem. Unfortunately from running the truck while dumping to much gas throw it also killed one of my cats. I found a bolt on replacement on ebay for $300 and now trucks runs better.14 Dec 2018 ... This beastly mega-cab 2014 Ford F150 EcoBoost falls on it's face just as the boost kicks in, and things are about to get really fun!. It is important to know the cause of the misfire in order to make the Modular V8 (4.6L, 5.4L) 1. 08-22-2009 02:51 Before I got another 4 miles at about 60mph, the P2197 reoccurred. B2S2 registers 0.00 while the STFT is that high (53%) or low (-29%). Still no misfire codes, but could it be a fuel injector like alloro suggested? If so, not sure how to isolate which one with no cylinder misfiring. Fuel Pressure on that rail is 67 lbs. There are quite a few things that can cause the P03 Ran a scan and it said cylinders 5,6,7,8 misfiring. Also said code P0022 timing over retarded in Bank 2. Also had codes for 02 Sensor, Running rich Bank 2 Running Lean bank 1. So my common sense side decided I would try to rule out a few things. I tried Swapping a coil pack from Bank one and still got the same codes for cylinders 5678.Cylinder misfire. Hello! I am the happy owner of a 2017 Ford F-150 XLT 5.0L. Last weekend, during a weekend trip, the check engine light turned on, solid. It stayed on until I filled up the tank the next day, at which point it turned off. At no point while the light was on did I feel anything being off with the truck. P0302 in the Ford F150 is a common OBD I...
Continue Reading