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 ...Well, problem was still there. Figured it was prabably also time for a new coil pack, so installed a new one. Problem still there. In short, I've done all the normal tune up basics. New plugs, coil, wires, fuel filter, air filter. Done a visual check on hoses, wiring, connectors. Still getting the o2 sensor codes and the misfire #5.2009 - 2014 Ford F150 - Cylinder 6 misfire on 2013 f150 - I have had the code read a few times in the last year that states my cylinder 6 misfires.(v6 F-150 as well) I’ve replaced the coil and the spark plug and I still get the code. The truck will run fine until I had to have to speed up to merge onto the the...The oblong cylinders were mainly 3 and 4. Try moving the cop on cylinder 8 with another cylinder and see if the misfire follows. If not then try moving plugs, then injectors. If none of those have an effect, try a compression test. There have been some that have had a cylinder 8 overheating issue, but that was more common on the Mustangs.2015 - 2020 Ford F150 - P0300 random/multi cylinder misfire 2018 3.5L ecoboost + Fordpass app - So my truck threw a check engine light w/ this P0300 code today, although I don't notice anything when driving it the short distance home after it came up. Cool side note, the Fordpass app notified me basically immediately...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...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. Now tester shows misfiring on 3,4,7,8. also shows IMRC stuck closed. Could this be an electrical problem?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 (especially 2005-2012 Ford F150s and 3.5 EcoBoost engine) and is almost always the cause of a random misfire. The cam phaser is responsible for adjusting the timing of the valves as they open ...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.It’s a generic code (same meaning for all vehicles) that indicates that your truck’s third cylinder is misfiring. P0303 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 flash, avoid driving your truck altogether until you find the misfire and repair your engine.I've had the P0308 and P0300 (#8 misfire and multiple random misfires) for about a year now on my 2015 GT with about 48,000 miles. I pulled my intake off and found the driver's side IMRC shaft was broken (5,6,7,8 cylinders). My mustang isn't a daily driver, and the codes were clearing up on their own until last week.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 ...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 …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 ...P0306 definition: Cylinder 6 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 ...Joined: Wed Dec 20, 2006 1:54 am. Truck: 1998 F150 XL 2wd 4.2 Auto. Location: Maryland. by thefordmaniac » Sat May 17, 2008 12:43 am. could be an intermittent coil problem. as the truck warms up the windings in the coil spread apart and there could be a bad winding. doubtful its an injector because it doesnt misfire all the time. -mike.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.by williamscl5 » Tue Jul 29, 2008 5:37 pm. Yes, all the injectors are the same just like the plugs are. No reason you can't swap the injectors but I would make sure that the plug on #6 is firing first. You need to vent the fuel rail pressure before removing the rail. After that, the injectors just pop in and out.It shows live data as it's happening. Some use Mode 6, but all you need is live data. Techs even use it lol. 1997 - 2003 Ford F150 - 2001 ford f150 misfire help - Hey guys my truck recently started mis firing and the check engine light came on. I had the code read and it was P0302 so I replaced the coil on #2 cylinder.I have a 2006 5.4 liter triton on my f-150. I have a misfire in cylinder 5 fault. I have replaced all 8 plugs and have put a new ignition coil on that cylinder and fault still comes when accelerating … read moreMar 24, 2013 · 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.Ran into some challenging issues last night with my truck. It's a 2011 F150 5.0 with 139,000 miles. Spark plugs were changed about 10,000 miles ago. Was running fine all day yesterday, then I stopped and filled up the tank with E85. The previous tank was about 20% E85 and 80% 87. About 3 miles later, it started running real rough.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.Ford F150 owners who see the P0305 code should take it seriously. P0305 is a cylinder misfire code. This means that there is a problem with the firing of the cylinder in question. The P0305 code specifically refers to cylinder number five. When this code is thrown, it means that the computer has detected a misfire in cylinder five.There are many issues that can cause engine misfires on cylinder 8, resulting in a P0308 code. The most common cause of a P0308 trouble code is a faulty ignition coil or spark plug. Vacuum leaks or a faulty fuel injector are two other possible causes. Categories: OBD Codes.I recently bought a 2012 F150 5.0 that I knew had a cylinder 8 misfire. As part of my diagnosing, I did a compression test and found #8 at 60, and the rest around 150. A leakdown test shows the leak is from the intake valves. The truck hardly has enough power to move other than idle, and it throws misfires on Cylinder 8, 7, and sometimes 5.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.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.1997 F150 Cylinder 8 Misfire. by DeckedoutF150 » Wed Jul 29, 2015 1:24 am. I have a 1997 F150 with a 5.4L in it. Just changed out all the spark plugs, new IAC, cleaned t-body and elbow. Now it is saying I have a cylinder 8 misfire. So I replaced the COP on cylinder 8 and the problem has not gone away, might even be a little worse.Mar 12, 2024 · 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.Decoding the P0302 Code: The P0302 code specifically indicates a misfire detected in cylinder 2. Modern vehicles employ advanced engine management systems that monitor individual cylinder performance. When the system detects combustion inconsistencies in cylinder 2, exceeding a predetermined threshold, it triggers the P0302 code.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 ...2014 Ford F-150 with 5.0l. Misfire on cylinder 8 with 30psi on my compression test. I was doing some reading and it sounds to be a common problem with cylinder 8 on these 5.0 motors. Any input would be very helpful. Hi! Welcome to JustAnswer. Thank you for contacting us for assistance with your vehicle. I'm Ron.Misfire on acceleration followed by the emissions light. I also had the battery light coming on sometimes. This only happened in cold weather. As it turned out the alternator was shorting out the battery and the coil packs. Final tally was 5 new coil packs, all 8 spark plugs, new battery and the alternator. $1300.00.Originally Posted by pnelson561. Hello to all, I have a 2012 ford f150 5.0L flex fuel with 100xxx miles on it. I swapped the spark plugs, coil packs, check all the electrical, ran a compression test, and pulled O2 sensor and still misfires intensely at idle. When the engines accelerating the cylinder performs (as seen on the computer).2015 - 2020 Ford F150 - 2017 F150 Misfire Problem - I have a 2017 F150 5.0L Roush Supercharger with 88K miles. ... It won't be the sixth cylinder that you might see when looking at the engine), and P0308 (same as P0306 but cylinder 8). I have changed all the spark plugs out with OEM and still getting P0300, P0306, and P0308. I slowly moved ...1987 - 1996 F150 & Larger F-Series Trucks - 1996 F150 misfire??? - On my 1996 F150 I get the code P0305, cylinder 5 misfire. I changed the plug and wire. The code came back again tonight. The truck shakes a little bit at idle sometimes , thats the only thing that is not perfect. Anyone got any ideas? injector ? Its a...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.Apparently this is a very common issue on cylinder #8 by doing a quick YouTube search.Sep 16, 2018 · 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.Originally Posted by Bluegrass 7. Misfires during OD and light throttle is one or two faulty coils. They normally do not set a code unless the coil/s is a 'hard' fault failure. The coil fault is shorted turns that lower the voltage output and cannot fire the cylinder reliably during the time the EGR function is called.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 ...1997 - 2003 F150 - 2000 F-150 5.4 Misfire Help! - Hello all, Let me first of all thank you all in advance for advice I have recieved over the past month on my trailer charge line problem. I am now having another problem, and am getting frustrated with my newly aquired ford truck. I washed my truck under the hood using...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.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.2014 F150 5.0L misfire. ... Mine may be slightly different in that I do not get 8-15 on every cylinder, from normal driving anyway. I will have a cylinder or two that may have 0. I do have intermittent shuddering/hesitation/shift issues. ... 2014 Ford F-150 5.0 XLT 4x4 3.55. Please Log in or Create an account to join the conversation.The code was for a cylinder #2 misfire. It seems to have gotten worse in the last few days. The check engine light stays on and will start blinking as I am driving it indicating the misfire. I am going to pull the plug and look at it. ... Joined: Fri Jan 20, 2017 8:49 pm Truck: 2005 Ford F150 Lariat. Re: 2005 F150 5.4L Cylinder #2 misfire.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...Pulled & erased codes: - P0306 - Cylinder 6 Misfire Detected - P0316 - Misfire Detected On Startup First 1000 Revolutions - P0405 - EGR A circuit Low May 2014 ... 2007 Ford F-150. February 7, 2015 #8 Bad Intake Manifold I had the very same problem on my 07 F-150. P0307.Problem went away. This weekend, on my way to an elk hunt, driving uphill on the I17 in AZ at about 70 mph, misfire started again, this time worse than before. And this time P0308 and P0304, misfire cyl 8 and 4! Took it to a shop, the coil pack was faulty on cyl 8, but cylinder 4 had a burnt up spark plug. I've never seen this before and was ...Apr 19, 2022 · Diagnostic trouble code (DTC) P0308 stands for “Cylinder 8 Misfire Detected.”. This means the powertrain control module (PCM) detects that there was incomplete combustion or the absence of combustion in the cylinder numbered “8” in the arrangement of cylinders on the engine. Common causes of the P0308 code include a bad spark plug, a ...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.Jan 6, 2013 · 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.This video will show you how to fix P codes 300 through 308.2021+ Ford F150; Ford Raptor Forum; 2015 - 2020 Ford F150; 2009 - 2014 Ford F150; 2004 - 2008 Ford F150; 1997 - 2003 Ford F150; Engine / Drivetrain Talk; How-to Section; Super Duty Forum; Special Edition Models; Pre-1997 F150. 1987 - 1996 F150; Engine Talk; How-To Section; Pre- 1987 / Classic Corner; Community. Site News and Update Information ...Reason: Added additional detail. 2004 - 2008 Ford F150 - 5.4 misfire 5,6,7,8 - Hey guys Im lost here. Bought a 2007 5.4 3v it had number 7 rocker failure on both intake valves. I replaced cam, rockers, phazers, chain, guides, followers,vvt, cam shaft sensors, crank sensor and plugs new oil and filter all motorcraft.Nov 5, 2021 · My dad bought this ‘13 Ford F-150 that had a really bad miss in cylinder 8. I diagnosed low compression due to a worn intake valve. This was the fix.Cylinder 1 misfire and Coil Replacement. by jlmiv » Sat Apr 28, 2012 10:36 pm. I have a 2007 5.4L F-150 with about 96,000 on it. My truck had been running rough for a couple of months, slipping pretty bad around 40-45 mph. CEL finally came on and it was cylinder one misfire. Took it to the dealership and they quoted me nearly $700 to replace ...Could be that both sides of the manifold's imrc are borkt. I was one such 5.0 owner who had this driveability issue at 35,000 and it was cured with a manifold replacement. Maintenance Shop - 2016 f150 5.0 multiple cyl missfire , no cel - First post , after lots of reading and researching , i decided to to make a post to see if any of the ...2004 - 2008 Ford F150 - Cylinder 7 misfire - 120k miles. Running rough - found a cyl. 7 misfire code. Bought a spark plug and ignition coil. When I pulled the coil I found that the plug cavity was semi-full of water. wtf kind of design is that? Vacuumed it out and blew it dry with compressed air, then drove it around...Joined: Sat Mar 22, 2008 2:12 pm. Truck: 2015 F150 FX4 5L. Location: Illinois. by kt1148 » Fri Jun 06, 2008 2:12 am. My 01' has the COP system (no wires) and did the same thing. Replaced spark plugs about two months prior. Misfire was on cylinder 6. Installed new coil and spark plug. Took care of the problem.It shows live data as it's happening. Some use Mode 6, but all you need is live data. Techs even use it lol. 1997 - 2003 Ford F150 - 2001 ford f150 misfire help - Hey guys my truck recently started mis firing and the check engine light came on. I had the code read and it was P0302 so I replaced the coil on #2 cylinder.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...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.After changing everything externally related to #8 cylinder, it still sent "misfire code." Compression check revealed #8 to be about 30psi weaker than other ...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.....Threads. Engine / Drivetrain Talk - misfire cylinder 3 (4.6L) - I have a 98 F150 with a 4.6 with 134000 miles on it. On friday it started mising and set code PO303. I changed the plugs which were original, cleared the computer. Didn't drive it much this weekend but everything seemed fine until today.1997 - 2003 Ford F150 - Cylinder 1 misfire at idle or low speed. - So my 1997 F150 4.6 has had a cylinder one misfire since I purchased it a month ago. So far, I have corrected a few deficiencies. After fixed the few obvious faults I found, I reset the computer each time to ensure they all went away. Along with fixing...Here are some of the most common symptoms of a misfire condition: The check engine light will be on. One or more misfire codes (P0300, P0301, P0302, P0303, P0304) will be stored in the car or pickup's computer's memory. P0300 Random Cylinder Misfire. P0301 Cylinder #1 Misfire. P0302 Cylinder #2 Misfire. P0303 Cylinder #3 Misfire.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....by v-king » Tue Sep 02, 2008 4:27 am. I've got a problem with rain water/carwash causing Cylinder #8 misfire. According to my mechanic it's a fairly common problem on a 98 f-150, however I couldn't find a single post with this issue. This is the second time it's happened in the last two moths.It’s a generic code (same meaning for all vehicles) that indicates that your truck’s third cylinder is misfiring. P0303 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 flash, avoid driving your truck altogether until you find the misfire and repair your engine.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 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...2021+ Ford F150 - 2021 Misfire Fault - 2021 F150 with the 3.5 eco boost At 480 miles my truck started misfiring, resulting in being taken to the dealer multiple times in a week. the result was a coil pack. The coil pack was backordered so the dealer took one off of another truck on their lot.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. It is not related to vehicle speed or engine speed. This morning it got bad so I let up on the pedal (cruising at 40mph) and it went a way. Pushed the pedal back down and the shaking started again.2013 f150 5.0 misfire on #3 cylinder replaced coils plugs swapped injectors deleted cats still have misfire issue ... 2014 Ford F150 5.0 v8. I have rest the ECM, changed the spark plugs, switched the coils around to see if the fault would change cylinders, installed 4 new injectors on the drivers side of the motor, cleaned out the fuel rail ...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.Posts: 384. Likes: 132. Received 67 Likes on 36 Posts. 97 F150 4X4 4.6 Misfire. Hey guys and guyettes.... I just acquired a 1997 one owner 97 F150 4X4 flareside with hopes of getting it back on the road. It has a #2 cylinder misfire. (203K miles) Here's what I tried so far :: 1. Compression test - GOOD.11 Feb 2017 ... Today we have a 2001 Ford F-150 Pick up truck with a check engine light on. In this video we will used our MaxiScan OBD2 Code Reader to find ...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. I drove it a few miles to see what other codes would pop up next and then I had Cyl #3, 4, 6 and 8 ...cylinder 8 misfire. first time posting on here so bare with me. two months ago had the check engine light come on for the first time, scanned it and the two codes …. I have a 2010 Ford F-150 truck with a 5.4L The P0308 code means that cylinder #8 is misfiring or is rand 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:/...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. 26 Feb 2021 ... Ford F150 3.5 Ecoboost misfire ... 8:41. Go to cha 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... OBD II code - misfire on cylinder 8 1997-2006 Expedition &...
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