The wires were routed "correctly" on the drivers side (within logical reason). I thought about the 4/2 and 7/8 cylinder misfire so this morning I decided to try something. I re-routed the wires so than the #4 and #8 wires were as far away from the others as possible. I did not place them in the factory plug wire holders.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.All times are GMT -4. The time now is . 2009 - 2014 Ford F150 - Cylinder misfire code on 2013 5.0 - I have a cylinder misfire code on cylinder 4. I've changed the coil pack as well as the spark plug. still showing misfire cylinder 4. I switched the coil from #3 to #4 and cleared it and now it still shows a misfire #4 cylinder.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...97' #2 and 8 cylinder misfire. by jkjenkinsiv » Mon Dec 12, 2005 9:19 pm. I have a 97'F-150 w/a 4.6L. Truck has 130,000+ miles. The check engine light is on steady and some times it starts flashing. The truck intermittenly runs very rough, no power. Went to autozone to pull the code and they said it was number 2 and 8 cylinder misfire.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...Re: 2005 f150 multiple cylinder misfire problem diagnostic. by 2005F1504x4 » Sun Jul 03, 2016 12:52 am. Just in case some one else runs into this problem, it was the vct solenoid that went bad and threw off the timing. Hardest part of the fix was removing the plastic cap that covers it on the valve cover.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.Injector could be plugged. Good luck. 1997 - 2003 F150 - misfire on #4 cylinder on 4.6 in 1997 ford f-150 4x4 - i recently got my codes read at autozone and it said i had a misfire on #4 cylinder i recently changed my coil packs my plugs and my wires changed and fuel filter still fill it but not as bad it has good compression but dont know …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.Injector could be plugged. Good luck. 1997 - 2003 F150 - misfire on #4 cylinder on 4.6 in 1997 ford f-150 4x4 - i recently got my codes read at autozone and it said i had a misfire on #4 cylinder i recently changed my coil packs my plugs and my wires changed and fuel filter still fill it but not as bad it has good compression but dont know …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.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...1997 - 2003 F150 - 03 F150 Misfire Cylinder 6 - 4.6 with 170k miles Last weekend I changed the fuel filter just for routine maintenance and the next day the check engine light comes on. Code is P0306 so I figured it would be an easy COP and plug change. Not so much. Now I've got a miss at idle and around 40-50mph....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 Other Fords owned: 00 Taurus, 96 T-Bird, 95 Escort GT, 93 Mustang 5.0, 93 Festiva, 92 Sable, 86 Mustang, 82 Mustang F150 Forum. Top. stormcom New Member Posts: 11 …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.Last week my 2021 F-150 3.5L 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. The shudder will continue unless you increase the throttle and it shifts down or manually shift down. Twice I've received a notification from …Changed coil (with an aftermarket) and it fixed the problem. 102000 miles. Cylinder 1, 2 misfire. Changed all the plugs (motorcraft), not just 1 and 2, found cracks in 1 and 2. Fixed the problem. 106000 miles. Cylinder 4 misfire. Checked the plug, changed the plug, drilled weep-hole, lowered gap to .030.2015 - 2020 Ford F150 - 2018 5.0L Misfire on cylinder 1,6, & 8 - Hey guys i was leaving work yesterday and jumped on the highway. Truck started vibrating while driving. Vibrations when accelerating. I stopped at auto zone and reading said misfire on cylinder 1 and 6. My dad and i checked out the sparks and they seemed...P0307 - Cylinder 7 Misfire Detected P0308 - Cylinder 8 Misfire Detected P0316 - Misfire Detected 1st 1000 Revs P2198 - Stuck Rich 2/1 Pending Codes: P0306 - Cylinder 6 Misfire Detected Somehow I don't think I have multiple coil/spark plug failures all of a sudden. Mileage is 66,000 - still on the original plugs. ... 2008 Ford F-150" ...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.2004 - 2008 Ford F150 - 5.4L Random Misfire Under Load - Hey all, I know this topic has been discussed before but I need some help. I have a 2005 Ford F150 Ext Cab 5.4L 3v 4x4 with 149k on it. At approximately 45-50mph, in overdrive, if i lightly accelerate, the engine misfires and the truck...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...1997 - 2003 Ford F150 - 5.4 Missfire in cylinder 7 Need help! - Hey guys i have a 2002 f150 with the 5.4 with a misfire in cylinder 7 i changed the plug, the coil pack and injector and its still misfiring I dont know what to do. It idles rough and has no balls when i accelerate. My check engine light flashes.Maintenance Shop - 2013 XL #8 cylinder misfire - Greetings! New F150 owner here, and I'm starting off with a rough patch that came with the vehicle. I have a 2013 F150 XL v8 5.0 and am getting a misfire code on cylinder #8 (random, not consistent). I have read several posts about similar issues and am trying to narrow...Posts: 6,631. Likes: 234. Received 1,208 Likes on 969 Posts. P0308 is a cylinder 8 misfire and p0316 is the pcm detecting a misfire shortly after startup. what …2007 Ford F-150 # ***** cylinder misfire checked signal to injector good,replaced injector checked cop and signal to it was good replaced sparked plug. Checked Vct both are working truck misfires all the time. Checked compression 185 no noises in top end I am lost don't know where to go from here no other code except p308I have a problem with #8 cylinder misfire, which is constant. I have occasional misfires on #5, #6, and #7 cylinders. I cleared the codes and did a spark test on #8. I checked for codes. None. I then drove the truck and it ran normal. After about a mile the check engine light came back on. 5,6,7,8 showed misfire.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, 2023.2007 f150 5.4 triton rough idle getting code 303 cylinder 3 misfire,mechanic changed coil pack,new plug ,injectors checked out ok.miss occurs at(NNN) NNN-NNNNrpm range ,cant figure out problem motopr …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.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 ...Feb 21, 2009 · 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.2015 - 2020 Ford F150 - 2019 F150 Misfire - I have a 2019 XLT 5.0 coyote that is having misfire in cylinder 3 and 4 with loss of HP and poor gas mileage. There is no check engine light and no code when I hook up a scanner. It used to feel like driving a sports car with the responsiveness and pickup, but now feels slow...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...2009 - 2014 Ford F150 - 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...Aug 28, 2011 · Re: 1998 F150 4.6L Cylinder 8 Misfire - Need advice. by ArcherDude » Sun Aug 28, 2011 8:49 pm. I would pull number 8 plug again and see if it has more black gunk on it. If it has Black gunk on it then it could be a bad valve seal. This would allow oil to run into the cylinder and put black gunk on the plug.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.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.2009 - 2014 F150 - 2014 f150 5.0 misfire please help - Hey guys. Ive got a 2014 f150 with the 5.0. It has a slight misfire. I took it to a shop. He says 3 and 6 have a misfire code. He said it's intermediate so he was thinking a vacuum leak. I had the spark plugs changed last week. Didn't do the coils though. The main...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...The P0308 code indicates that the powertrain control module (PCM) has detected a misfire on cylinder #8. What are the repercussions of this trouble code, and …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.The Powertrain Control Module (PCM) detects that a misfire is occurring in the 2nd cylinder in the car motor, thereby alerting the engine to set this trouble code. It's a generic code, applying to all OBD-II equipped models. While the P0302 trouble code might be considered generic, the repairs could depend on the make and model you drive.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.2002 5.4 L f150. Getting a misfire in a cyl. Code says Cyl 1. Run truck and disconnect/reconnect coil connectors 1 at a time just to make sure it’s right. It is. It’s due for new plugs anyway, so I replace all plugs. still misfiring. Replace all coils because I have extras laying around, still misfire. so I replace the injector for cyl 1 because I don’t have …2004 - 2008 Ford F150 - Cylinder 5 Misfire, Have Tried Different Solutions, 5.4 3v - Good Morning everyone, I have a 2004 FX4 with the 5.4L 3 valve. It has a Cylinder 5 misfire (Code P0305). Here's the story: Bought it off a dealer a month ago. Drove it to Riverside and back into the Central Valley with no major...1997 - 2003 Ford F150 - 5.4 Missfire in cylinder 7 Need help! - Hey guys i have a 2002 f150 with the 5.4 with a misfire in cylinder 7 i changed the plug, the coil pack and injector and its still misfiring I dont know what to do. It idles rough and has no balls when i accelerate. My check engine light flashes.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...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.2009 - 2014 Ford F150 - 5.0 cylinder 8 misfire, need new heads... - I have a 2012 with the 5.0 engine, 158,000km...received some disappointing news this week... cylinder 8 failed compression test miserably ....valves are worn into cylinder head and ford recommends replacing both heads at approx. cost of 10k.....FRF Addict. Hey I installed a roush supercharger and I am getting a cylinder 8 misfire code. The truck misfires when it is under load about 60% throttle id say. It doesn't misfire at Idle or light cruise. I replace coil pack, spark plugs, and all the wires look in good shape. Everyone I've talked to said it is highly unlikely an injector issue.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)Nov 19, 2014 · A clogged fuel filter in a Ford F-150 or F-250 truck will cause its engine to sputter and misfire. Replacing the filter should help sort the misfiring problem, but if misfiring persists it can also indicate a faulty fuel injector. Damaged fuel lines cause the engine to misfire and can possibly start a fire in the engine.Misfire cylinder 3 code. 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. Just replaced plugs a weak ago. ... 2003 Ford F-150" ...Re: 2014 F150 5.0L V8 misfire on cyl 4 "F". by herrmant » Sat Nov 12, 2016 3:35 am. Check the circuit going to both the injectors and the coil. Have someone crank the engine and see if the coil is getting voltage. Same thing to the injector.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,...P0307 definition: Cylinder 7 misfire detected. Issue Severity: SEVERE - Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Diagnosis: A multiple misfire can be caused by anything from faulty spark plugs to low engine ...Dec 28, 2016 · 6 Fixes for Your Misfiring Truck. A misfiring engine robs you of power, and fuel economy, not to mention all the unburned hydrocarbons polluting the air. Check these simple things and be back running on all cylinders in no time. December 28, 2016. NEXT. BACK.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 Other Fords owned: 00 Taurus, 96 T-Bird, 95 Escort GT, 93 Mustang 5.0, 93 Festiva, 92 Sable, 86 Mustang, 82 Mustang F150 Forum. Top. stormcom New Member Posts: 11 …2007 - 2014 Expedition & Navigator - 5.4l cylinder 3 misfires - I keep getting random misfires on cylinder 3 on my 08 expy the misfires Lasts a couple of days then goes away no matter what I replace it always cylinder 3 and sometimes 4 joins in I can't figure what's going on but it's annoying has anyone else had this...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.. 2004 - 2008 Ford F150 - Cylinder 5 MisfirTRUCK MISFIRES, NEW IGNITION COILS AND SPARK PLU P0307 cylinder 7 misfire. hope everyone is good and enjoying there Ex, I recently got back from a short road trip and i felt the Ex sort of stumble a bit when im stopped and it would run fine once im driving. One of my buddies plugged in his ODB code finder and it came up with this code P0307 cylinder 7 misfire what does this mean I am taking ...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 … P0307 is a fairly common trouble code with the Ford F150. It’s a 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 ... 2005 F150 5.4L intermitent misfire. I have an 05 f150 4x4 5....
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