The engine runs good, no hesitation, just intermittent misfire. 8 Cylinder Engines - 89 f150 5.0 misfire - I have a 1989 Ford f-150 5.0L engine manual transmission. I recently had a no spark condition. The vehicle had the original high pressure fuel pump so I replaced that and the fuel filter. Unrelated but needed replacing.The P0304 code means that cylinder #4 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder #4. If the problem persists more tests need to be done to diagnose the problem. See "Possible Causes" for the most common problems. There is a Factory ...P0300 code: random or multiple cylinder misfire detectedCylinder 5 misfires 2007 ford f-150 Ford cylinder 200705 5.4 l misfire cylinder 6. Cylinder 1 misfireHave a 2000 f350 ford powerstroke 7.3 liter truck. the truck has a intermittent problem that Misfire f150 ford cylinder5.0 cylinder 8 miss fire 2013 f-150.4.6 misfire problems. Alright guys, I picked up a 97 F-150 4x4 yesterday for $1000 with 300k miles on the clock. I had to drive it 3 hours to my parents house, and the truck had a misfire unless it was romped on or when ya let off and coasted. The guy suspected electronics at first, changed all the plugs and o2 sensors and it did nothing.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.My 2020 Ford F150 still has a cylinder misfire, despite me, changing the ignition coil and spark plug. I cleared all of the codes and drove it around and then I …Seemed to have found the problem! 2004 - 2008 Ford F150 - 2006 F-150 5.4L constant misfire fixed!!!! - Ok guys, this is a log of my misfire nightmare. Truck has 122K miles We were driving home from Oklahoma to Dallas Texas and once we hit grapevine the truck started idling VERY bad. We limped home and went to bed.2004 - 2008 Ford F150 - Help! 2006 F-150 FX4 5.4 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. 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...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, or coil packs. P0308 is typically caused by bad spark ...An engine needs three elements to run: compression, spark, and a precise air/fuel mixture. When an engine cylinder misfires, the root cause originates from an issue with one of these three factors.. Driving your vehicle despite one or more of the cylinders misfiring may damage the engine. The P0308 code indicates that the powertrain control …Mar 20, 2008 · 03-15-2010 08:48 AM. 9. 08-23-2009 08:45 PM. Tags. 1997 - 2003 F150 - Cylinder misfire '98 F150 4.2L - One more question guys: I have been pulling a code for a little over 1 year now thats showing a Cylinder #2 misfire. I don't notice the miss, so its not missing hard. I pulled the plugs, regapped them, then replaced them, with no change.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 ...2001 F-150, 5.4 cylinder 8 misfire help. So a few days ago, I have a cylinder misfire on my 5.4. I get it to my buddy's place, he hooks up his code reader, and it's cylinder #8. We run to the parts store, grab another coil pack, swap it out, and we're still getting the same code for a misfire.Feb 22, 2024 · 2009 - 2014 Ford F150 - 2011 F150 5.0 with the cylinder 8 misfire - First post on here, I have a 2011 f150 with the 5.0 145,000 miles and I got the cylinder 8 misfire. I had read on here about the valve/head issue and took it to a shop to confirm my suspicion. Low compression on cylinder 8. They wanted to replace the...by code58 » Sat Jun 06, 2009 6:13 am. jakerod256 wrote: Greetings, My 2004 F150 5.4L (90,000 miles) misfires when moving from coasting or decelerating to accelerating. The misfiring continues until the auto transmission downshifts to lighten the engine load. This occurs at all speeds as long as the transmission is in highest gear with OD engaged.Tech Notes. The P0302 code means that cylinder #2 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder #2. If the problem persists more tests need to be done to diagnose the problem. See "Possible Causes" for the most common problems. There is ...I have a misfire on cylinder 7. It is a steady misfire. Sorry about the one sentence - Answered by a verified Ford Mechanic. By chatting and providing personal info, ... my 2010 ford f150 xlt 5.4L v8 is giving me 3 codes and running rough. P0020, P0300, and P0305. I have replaced the spark plugs yesterday and am still having the issues.2004 - 2008 Ford F150 - Misfire on cylinder3,4,7,8 2008, 5.4 Triton - 08 Ford F150 5.4 liter Triton. Truck was running fine running down the road, all the sudden started missing real bad. ... This negatively effects rear cylinder fuel / air (oxygen) ratio and results in non-electrical misfires --- which dumps unburned fuel into CATS, increasing ...Cylinder 8 Misfire Detected. What the P0308 code means. The P0308 trouble code means that the powertrain control module (PCM) has detected an issue with the ignition of the …Aug 28, 2011 · 1997 - 2003 Ford F150 - 1998 4.6L Cylinder 8 Misfire - Need Advice - I purchased a 1998 4.6L F150 with a 180,000 miles on it last week. I got a great deal on it, maybe too good looking back. 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...The P0308 code means that cylinder #8 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the …I have a 2017 F150 5.0L Roush Supercharger with 88K miles. Problem started with the Driver side cat giving me a P0430 code. After about a month I was able to replace the driver side cat and about a week later replaced the passinger side cat. Best to do both. I am getting a P0300 ( Code P0300 stands for “Random or Multiple Cylinder …P0308 is a diagnostic trouble code (DTC) for "Cylinder 8 Misfire Detected". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154.99 .The P0308 code means that cylinder #8 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder #8. If the problem persists more tests need to be done to diagnose the problem. See "Possible Causes" for the most common problems.1997 - 2003 Ford F150 - No Compression in cylinder 8 (Please help) - I have a 97 with the 4.6L I've had issues trying to get my truck running right (misfire in cylinder 8- P0308) and have spent a small fortune doing so. I have now discovered that I have absolutely no compression in cylinder 8. We took the valve cover...Received 18 Likes on 15 Posts. 2003 Misfire. Good afternoon all! I am working on a 2003 F150 with the 5.4l. I own a F150 with the same motor, so when the owner of the truck i am working on said he needed help I figured it would be a breeze since I know this motor fairly well. Well, the truck I am working on has me scratching my head.As the title said, I have a 98 F150 4.2L with code P0301 Clynder 1 Misfire. This is what I have done so far. New plugs, coil pack, plug wires, TPS, EGR, EGR Vaccum control regualier, DMCP, canister, all of these parts are new and was bought from the ford place. Have taken the egr value, and egr value bracket off to see if carbon blockage was ...P0300 is just for random misfires. The bottom line is to start with that cylinder 7 and see what's up. The other codes may disappear as well once you resolve the p0307. 2004 - 2008 Ford F150 - 2004 5.4 new motor misfire on cylinder 2 and 7 - How's it going everyone. this is my first time posting ... OK well I have 2004 f150 with about 150,000 ...Apr 8, 2022 · 2009 - 2014 Ford F150 - 2014 5.0 misfire - Hello, i have a 2014 f150 5.0 that developed a misfire code for cylinder 8 about 3 months ago. At the time I swapped coils to see if the code changed. It stayed the same and I progressed to change the spark plugs next and the misfire code came back. I took it to 2 shops and...Cylinder misfire... Help please :) 16 posts • Page 1 of 1. FordsBeatChevANYDAY! Regular Member Posts: 30 Joined: Wed Oct 14, 2009 3:17 pm Truck: 2001 F150 Supercab Location: Stockton, MN. Cylinder misfire... Help please :) ... Truck: 2001 Ford F-150 XLT Supercrew. Re: Cylinder misfire... Help please :)When I got home I hooked up my scan tool and it said, Cylinder 1 misfire. I replaced the coil pack and the spark plug. ... 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!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 ...Feb 4, 2020 · Ford F150 P0308 Definition. P0308 is a cylinder specific misfire code, which means that cylinder 8 is misfiring and causing it. An important thing to understand when finding the location of cylinder 8 is that it’s going to be the eighth cylinder in the firing order. F150 P0308 OBDII Code SymptomsModular V8 (4.6L, 5.4L) - 2006 5.4 Lariat Cylinder 5 and 6 misfire and passenger bank running lean - Hello, I literally just joined this forum in the past hour. I am a Senior at NCSU and just purchased my first truck on my own this past December. Its a 2006 F150 Lariat with a 5.4l and 84k miles. A few weeks back it...The article supersedes TSB 14-0160 to update the base warranty causal part number. ISSUE: Some 2011-2013 F-150 vehicles built on or before 6/15/2013 and equipped with a 3.5L Gasoline Turbocharged Direct Injection (GTDI) engine may exhibit various engine misfire symptoms accompanied by diagnostic trouble codes (DTCs) P0300, …I had a misfire on my 5.0 mustang GT that ended up being the crank position sensor. It's probably the piston. Some of the early 5.0s (2011 & 12) had issues with the piston failing in #8. This was mainly attributed to overly aggressive aftermarket tunes.2004 - 2008 F150 - 2004 Ford F150 5.4 Triton 3V Vin5 Rough Idle Cylinder 3 Misfire - 2004 Ford F150 5.4 Triton 3V Vin5 Rough Idle Cylinder 3 Misfire How this started, Drove through a lot of water as our City was in a flood on my way home and and the truck started running rough and got worse over time, I can now barely...Feb 21, 2024 · Inspect the wiring and connections: Faulty wiring or connections can also cause misfires. Check the wiring and connections in cylinder 8 and repair or replace them if necessary. Check the compression: Low compression in cylinder 8 can also cause a misfire. Check the compression in cylinder 8 and repair the engine if necessary.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,...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 18 Likes on 15 Posts. 2003 Misfire. Good afternoon all! I am working on a 2003 F150 with the 5.4l. I own a F150 with the same motor, so when the owner of the truck i am working on said he needed help I figured it would be a breeze since I know this motor fairly well. Well, the truck I am working on has me scratching my head.Ford F150 P0308 Missfire CodeThis is a 2010 with a 5.4L engine. You Never know what you are going to find until you take it apart.I do beleve that it had the...Dec 9, 2020 · 2004 - 2008 Ford F150 - 2007 F-150 5.4 misfire - Need help! I have replaced plugs, coils and even the coil plug wire connector on my 5.4 engine. Still getting a misfire and running rough. Code reader says misfire on cylinder 8. What else can I check to fix it? Update: Thanks for all the tips guys. I ended up having a...Code P0308 2003 Ford F150 Tech Notes. The P0308 code means that cylinder #8 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder #8. If the problem persists more tests need to be done to diagnose the problem.In this video we show you a real common cause of a P0308 cylinder 8 misfire on the Ford Explorer 4.6L 3v engines.Permatex Ultra Black is Best to use: https:/...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, …Ford F-150 / F-Series Generations. 1997 - 2003 Ford F-150. ... 8 posts • Page 1 of 1. bwolf24 New Member Posts: 15 Joined: Tue Oct 05, 2010 8:29 pm Truck: 2001 f-150 supercrew 4x4 xlt. Misfire cylinder 3 code. Post by bwolf24 » Tue Oct 05, 2010 9:12 pm. I have 2001 f150 with triton 5.4l engine with 120k miles. ... Diagnostics said misfire ...2003 Ford F-150 SuperCrew King Ranch 4x4 Previous trucks: 02 F-150 SuperCrew XLT, 11 F-150 EcoBoost Lariat, 07 Ranger, 01 SuperCrew, 98 SuperCab 4x4 ... drove for 1 week, same misfire Cylinder 4. Had compression checked followed by changing the fuel injector, Cleared code, drove it for 8 days, same code shows up. Finally changed the coil on ...I have a 2010 Ford F-150 truck with a 5.4L V-8 engine with about 130,000 miles. Recently, upon cold starts the engine ran very rough, missing, initially. After 3-4 minutes of warm up it seemed to be running normal. The engine light was always on when this occurred. Took it into the shop. Diagnosis was that cylinder # 8 was misfiring. They ...P0305 is a fairly common trouble code with the Ford F150.It’s and OBD2 code and stands for:. P0305: Misfire Detected → Cylinder 5. P0305 is certainly a cause for concern, and should be considered a threat to the drivability your F150. The nice thing about P0305 is that it’s a cylinder specific trouble code, which makes diagnosing the problems …Joined: Mon Oct 22, 2012 2:53 am. Truck: 02 F150 SCREW. Re: Bank2 (Driver Side) Misfire. Cyl 4,5,6. by 3FOX » Mon Jul 03, 2023 8:38 pm. From the codes and what they indicate. The 300 is random misfires detected from all bank 2 misfires and would clear when bank 2 misfires are cleared.P0304 on Some Ford Vehicles. The code appears in a 2009 Ford F-150 FX4 5.4L V8 because of the following conditions: Air leaks in the Air Induction system (e.g., in the intake manifold) Fuel delivery problem (e.g., a contaminated, dirty or sticking fuel injector) Driving the vehicle low on fuel (less than 1/8 of a tank)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 ...2009 - 2014 Ford F150 - 2010 f150 5.4 misfire - I have a cold start misfire on #7 cylinder. Ive replaced plugs, coil packs on all 8 as well as the coil pack connectors and the injector on #7 so far. No help. When its cooled off in the morning or after sitting 4 hours or so it has a misfire and a constant shake...The first thing to know is that you will get a code that will signify you have a cylinder 4 misfire problem. The code will be P0304. If the coil packs, plugs, or wires need to be replaced, check and test the ignition system components close to the cylinder. One of those three items is the issue. In that case, you must switch the coil pack, wire ...Ford Truck Enthusiasts Forums. Super Duty/Heavy Duty. 1999 to 2016 Super Duty. 6.8L V10 misfire. 1999 to 2016 Super Duty 1999 to 2016 Ford F250, F350, F450 and F550 Super Duty with diesel V8 and gas V8 and V10 engines. Sponsored by:If you’re in the market for a Ford F150, you’re in luck. This popular truck is known for its durability, versatility, and impressive performance. Whether you need a powerful workho...Heres the background: 2015 F250 6.2 liter gasser. 138,000 miles. I just bought it used about 1500 miles ago. Drove it for maybe 1000 miles with no issues - ran smooth, no check engine lights, nothing out of the ordinary other than that the fuel economy was worse than expected (not that I expected it to be good - but it seemed that 11 mpg under ...Cylinder 8 Misfire Detected. What the P0308 code means. The P0308 trouble code means that the powertrain control module (PCM) has detected an issue with the ignition of the …P0305 is a fairly common trouble code with the Ford F150.It’s and OBD2 code and stands for:. P0305: Misfire Detected → Cylinder 5. P0305 is certainly a cause for concern, and should be considered a threat to the drivability your F150. The nice thing about P0305 is that it’s a cylinder specific trouble code, which makes diagnosing the …. 2004 F-150 Misfire. I need some help. I own a 2004 5.4L 3V 1997 - 2003 Ford F150 - Cylinder 1, 3, & 8 Code Tech Notes. The P0308 code means that cylinder #8 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder #8. If the problem persists more tests need to be done to diagnose the problem. See "Possible Causes" for the most common problems. The check engine light finally went from flashing to solid Sep 6, 2016 · 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.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. Modular V10 (6.8l) - O2 sensor causing misf...
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