Jan 8, 2023 · 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 wires, a faulty fuel injector, a vacuum leak, an intake manifold leak, a faulty ignition coil, or an engine mechanical problem. A faulty spark plug can cause a misfire due to a ...2005 f150 cylinder 5 misfire. Your truck experience sounds surprisingly like mine. I had diesel sound most of its life - for sure at 140k. It made it to ~180 to 190k before codes started showing up, and to 212k before serious rough idle and drive-ability issues. 5w30 won't extend phaser life per se, but will put off effects of phaser problem ...by sportsfreac » Tue May 10, 2011 5:42 pm. It really easy to change out especially that one! Cylinder 1 is the fist plug on the passenger side. with the 4.6L the passenger is 1-4 and the driver side is 5-8. All you will need to have is a 8mm socket. there is one bolt that holds it in place remove the bolt slide out the old pack and replace it ...Step 8 - Install the new plugs. Discard the old spark plug and take out your new one. The spark plug below has been pre-gapped so no gapping is necessary. If you do need to gap your plugs, check your emissions label under the hood. You can pick up a gapping tool at any auto parts store.2014 5.0 Misfire. Hey there, longtime listener, first time caller. I have a 2014 F150 5.0 with about 120,000 miles on it. Starting around March of this year I got a check engine light (P0304) for a misfire in cylinder #4. So I went out and bought 8 brand new motorcraft coils and the problem went away until about July when the CEL came back for ...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,...1997 - 2003 Ford F150 - 1998 f150 4.6 liter hesitating and misfiring - i need help, please. i have a 98 ford f150 xlt xtended cab 4x4. has a triton 4.6 liter v8 with 129,000 miles. for last month or so, it has been running rough when first started. engine hesitates at idle and then really hesitates when first...The #8 cylinder sets under one of the air conditioning hoses, the one that sweats. That has been a common problem on the earlier 5.4l from what I have read. The moisture drips straight down on the #8 COP. I think to fix this people have wrapped the line with something to redirect the condensation.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, P0301, P0302, P0303 ...2004 - 2008 Ford F150 - HELP!!! - 2004 F150 4.6 misfire #2 and #5 - The truck has a check engine light, service brakes and the codes: random misfire, #2 misfire, #5 misfire. I have tried swapping coils and the misfire stays the same. I have swapped plugs and it stays the same.I/o chevrolet and ford engines. Cylinder numbering is always 1 3 5 7, 2 4 6 8. I did not know that ford numbers this engine 1 2 3 on one bank and 4 5 6 on the driver side. So I went back and swapped the coils on 1&2 with 3&4. The appropriate cylinders this time. Still same misfire. I then swapped plugs, appropriately this time. Still misfire.The time now is 12:50 PM. 2004 - 2008 Ford F150 - Cylinder 5 misfire - I have a 2006 F-150 with the 3v 5.4 that has been throwing cylinder 5 misfire codes (po305). It only throws the code under load or high rev. Was happens is I will be driving with no issues, but as soon as rev to 3500rpm, especially when I am pulling a trailer or going...1997 - 2003 F150 - Cylinder 1 misfire - I've had quite a bit of experience changing COP's in the last couple of years. My 4.6L '03 Screw (130k mi.) has gone thru about 5 of them. Also replaced the original plugs about 5k back. However, I have a problem that now appears to be something other than plugs or COP. I have...Modular V8 (4.6L, 5.4L) - f150 Nightmare Misfire's in Cylinder 7 and 8 with backfire in engine - Iv never created a forum page before, but I am having a nightmare issue with my 2005 f150 5.4l. It has a rough idle, I am reading alot of misfires on cylinders 7 and 8. Weird If I give it alot of gas I have no low end...8 Cylinder Engines - Ford F150 - 2003 4.6L runs rough; code says cylinder #8 misfire - About a week ago my F-150 4.6L began to skip and run rough. It shakes a lot when it's doing this, but the problem is intermittent. Sometimes it does it a lot, then other times it seems to run on all cylinders. Unfortunately I cannot...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.Apr 9, 2023 · 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.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 …Modular V8 (4.6L, 5.4L) 1. 08-22-2009 02:51 AM. Reply Share. 1 / 1. 2004 - 2008 F150 - 2006 F150 Misfire Cylinder 1 - I have a 2006 F150 with a cylinder #1 misfire only code p0301. I have done new spark plugs, new coil packs, and new fuel injector on cylinder #1 with no luck.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) .When a group of entrepreneurs in Florida decided to include the name and logo of Ford in their restaurant, it was a big risk. Luckily, it worked out for them. Ford is one of the mo...1997 - 2003 F150 - 1998 F150 4.6L misfire - Bought the truck about A year ago and have been trying to chase down a misfire issue as long as i've had it. At an idle the whole truck shakes, but runs fine while driving. It seems worse warm but it may just be because the idle is higher when its cold.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...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...Have a used 2012 3.5 Ecoboost crew cab with 60,300 miles. Purchased 6 mos. ago with 54,000 miles. Have a 1-year bumper-to-bumper warranty and a 2-year/100,000-year engine warranty. I have experienced the dreaded misfire shutter and loss of power (CAC issue). I am taking the truck next week for a diagnostic to the local ford dealership.Have a used 2012 3.5 Ecoboost crew cab with 60,300 miles. Purchased 6 mos. ago with 54,000 miles. Have a 1-year bumper-to-bumper warranty and a 2-year/100,000-year engine warranty. I have experienced the dreaded misfire shutter and loss of power (CAC issue). I am taking the truck next week for a diagnostic to the local ford dealership.1997 - 2003 F150 - 5.4 cyl #4 misfire? - 99 f150 5.4 I'm having rough idle/ acceleration and a trouble code of 304 that resets fairly quickly each time cleared. Ironically I looked and found that number 4 has the one gray, not black, coil pack where I assume it has been replaced with a cheap aftermarket. The top flat...General F150 Discussion - Misfire in #5 cylinder, no compression - I have a 1999 F150 4x4 V8 Triton engine. My engine light came on...I went and got it tested and was told it was a misfire in the #5 cylinder. Since then I replace all the plugs. I seafoamed it and also replaced the engine coil, oil change, and new...2015 - 2020 Ford F150 - Misfire can't diagnose - 2015 5.0 v8 - Only sign is misfire was check engine light. Never noticed anything different. Codes said random misfire, misfire cyl 4, misfire cyl 7 ( p300:00-28, p0304:00-28, p307:00-28) replaced cops and spark plugs with motor craft . ... The misfire codes are subject to Ignition issues, fuel ...General F150 Discussion - Low compression on cylinder 8 on stock 5.0. Any thoughts? - I have 70 pounds of compression on the number 8 cylinder in my 11 f150. Daily driver, bone stock 5.0 liter.1997 - 2003 Ford F150 - Cylinder 1 misfire 2000 f150 5.4 2V - Hey y'all, I got a 2000 f150 2V 5.4 4x4 I have constant issues with the 1 misfire. I changed the plug and the coil multiple times. But in a month or so it will happen again. I did have a coolant leak on the intake but the intake was replaced 2 yrs ago yet...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.Modular 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...It was actually an exhaust valve that dropped into cylinder 5. I ended up trading the truck. 2009 - 2014 Ford F150 - 2010 5.4 misfire and shaking. - I was driving about 45 mph yesterday and all of the sudden the truck started misfiring and shaking really bad. The engine light was also blinking.4.) Checked the plugs in 4 and 7 and they look good. No unburned fuel, not fouled, cracked or anything. 5.) Checked the compression in 4 and 7. 150 lbs in both. 6.) and this is the mother. Thinking it was a vacuum leak in the intake manifold, replaced the entire intake upper and lower along with the gaskets.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...1999 - 2003 7.3L Power Stroke Diesel - No 8 Cylinder Misfire - I just bought an early build '99 F-350 with 250,000 miles on it. It appears to have been very well maintained and was running great for the 500 mile trip home. A few days later it started running out of balance and the SES light came on. Code reader says...Start by inspecting coil/boot/spring. Clean boot/spring, and check/inspect the connection of spring to coil. Clear codes, test. If persists, replace boot/sprint OR swap 4 coil assembly with 5, clear codes, test. if misfire went to 5 it was coil. If not, pull and swap 4 and 5 plugs, clear codes and test.2004 F-150 Misfire. I need some help. I own a 2004 5.4L 3V with 119,000 miles that has developed a mis in cylinder 1. The miss is only intermitent and only at idle while in drive, always at a red light. The pending code is P0351. After I got the code the first time, I changed the COP. A week later the mis came back.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 ...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. smgilles. J. ... Ford F-150 Raptor General Discussions [GEN 3] Forums. GEN 1 (2010-2014) Ford SVT Raptor Forums. Ford Raptor Engine Discussion and Performance Mods.2008 ford f150 keep getting misfire on cylinder 8. replace fuel injector, ignition coil, and spark plug. It was just - Answered by a verified Ford Mechanic ... 1997 Ford F-150 trouble shooting. During rain or wet weather conditions, engine acquires a miss from the cylinder closest to the fire wall. I have checked the rubber seal at the hood to ...Truck: 2006 Ford F150. Re: Missing after the engine is warm. Post by FLIPPCLASS » Thu Sep 06, 2018 4:00 pm. I have a 2006 F150 4.6 liter . Had 3 bad coil packs coming up on scanner and a misfire right from starting up till shutting off . ... At this location you can see each cylinder misfire counts. Any cylinder with high counts especially out ...A common issue causing misfire condition and codes such as P0305, P0306, P0307, P0308, ETC on 2004-2012 Ford F series and Econoline vans equipped with the 4....8 Cylinder Engines - Ford F150 - 2003 4.6L runs rough; code says cylinder #8 misfire - About a week ago my F-150 4.6L began to skip and run rough. It shakes a lot when it's doing this, but the problem is intermittent. Sometimes it does it a lot, then other times it seems to run on all cylinders. Unfortunately I cannot...2009 - 2014 Ford F150 - Misfire and Compression Issues 2014 F150 5.0L - Hello, new to this forum and looking for some help and common issues on a 2014 F150 5.0L with 140k on the clock. My issue started with a Cyl #4 misfire and engine running rough. I replaced the plug and coil, cleared the codes but still misfiring....2013 f150 5.0 Misfire. So I've had a 2013 f150 for about 6 months now. It's always had a random misfire when idling and sometimes when driving on the interstate. On the interstate its bad enough that it feels like the transmission slips pretty bad for about a second or so. I've had the cold start update done and I'm about to check the spark ...Received 22 Likes on 7 Posts. 2020 F150 Misfire on #1 & #3. Good afternoon, hopeful someone has some insight here. I have a 2020 F150 XL, 4x4. 5.0 with the Roush blower. The truck has had a slight vibration/shake when in gear & stopped since I picked it up about 3 weeks ago, didn't think much of it unknown if it's related to the misfire or not ...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...Received 22 Likes on 7 Posts. 2020 F150 Misfire on #1 & #3. Good afternoon, hopeful someone has some insight here. I have a 2020 F150 XL, 4x4. 5.0 with the Roush blower. The truck has had a slight vibration/shake when in gear & stopped since I picked it up about 3 weeks ago, didn't think much of it unknown if it's related to the misfire or not ...1 / 1. 1997 - 2003 F150 - 2003 F-150 Misfire help! - I have a 2003 5.4L V8 F-150 (2WD) with 111,000 miles. I had a cyl.4 misfire - have replaced the coil pack, spark plug and fuel injector in the last two weeks. This morning when I started up it was pretty rough and CEL came back on. On the way into work it became apparent...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.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 …Re: 2002 f150 5.4L PLEASE HELP!!!!! P0304 misfire. by 3FOX » Wed Dec 21, 2016 12:51 am. Let me give you some basic info. Any 30x cylinder code is from the coil 'secondary' onward to the boot, plug or cylinder fault. The flashing CEL tells you the ignition went missing and unburnt gas is being passed to the cats on that bank.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.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 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.19 Sept 2023 ... How to fix a Ford P0302 engine code: Cylinder 2 Misfire Detected Spark Inline Tester Tool: https://amzn.to/465UWj7 Possible Causes for a ...Cylinder 7 misfire. by Melon » Tue Mar 11, 2008 9:49 pm. 2000 5.4L. Took it to the dealership to get the plugs done and got it back a week ago or so. Didn't seem like it was running right, but didn't have codes til today. Also, haven't driven it since then cuz gas prices are nuts and my 'Bird does better.. 1997 - 2003 Ford F150 - Cylinder 1, 3, & 8 misfire (Pleas1. Bad Cam Phaser: One of the most common causes of a m 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 …Re: misfire 8.cylinder triton 4.6. by AlbertaOilPatchF150 » Thu Aug 30, 2012 2:22 pm. My 2000 4.6L was doing that back in March, turned out to be moisture in spark plug wells on the rear cylinders on both sides (snow melting on cowl ran down firewall & dripped right in there), causing a short which the OBD read as a miss fire. Check the breather ontop of the valve cover that 2004 - 2008 Ford F150 - Help with 2007 misfire data from Torque - I have that famous shudder around 40-50. I know it could be COP and plugs or maybe the transmission needs flushed. I ran Torque Pro and attached is the ifo. The misfire data was a fail. I'm hoping one of the more experienced members and give me a clue...P0304 is a cylinder-specific misfire code, meaning only your F150’s fourth cylinder has a misfire. Before you can even diagnose P0304 in your truck, you need to find the fourth cylinder’s location. On “V” configuration engines, it’ll usually be the second cylinder on the head further away from the front of the engine. 26 Sept 2018 ... ... 33K views · 22:11 · Go...
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