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After changing everything externally related to #8 cylinder, it still sent "misfire code." Compression check revealed #8 to be about 30psi weaker than other ...If you're in one of these situations, luckily Ford vehicles with OBD-II have a special cylinder-specific misfire count available inside part of the OBD-II specification called mode $06. Modes are just different sections of the OBD-II specification (SAE J1979) that deal with different functions.I 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.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.1997 - 2003 Ford F150 - misfire on cylinder 8 and running lean on bank 2 - I have a 98 f150 4.6l xlt. 157k miles. It is idling really rough. Rpm's drop down to bout 500 at idle, bogging down, and not wanting to shift into high gear. Code says misfire on cylinder 8 and running lean on bank 2. I just replaced all 8...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 ...1997 - 2003 Ford F150 - Multiple cylinder's misfiring on a 2001 5.4 F150 - hi, i'm looking for alittle help on figuring out what is going on with a 2001 ford F150 with a 5.4L engine with 163.000 miles, i'm looking at buying, the truck doesn't have much power at this point, and misfire's badly, especially when i put it...If you're in one of these situations, luckily Ford vehicles with OBD-II have a special cylinder-specific misfire count available inside part of the OBD-II specification called mode $06. Modes are just different sections of the OBD-II specification (SAE J1979) that deal with different functions.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...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.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...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 ...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 …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 ...Updated on February 8, 2022. The P0305 Ford F150 code demonstrates that cylinder number 5 is misfiring. When there isn't enough fuel combustion in a cylinder, it causes a misfire. Combustion of fuel is what offers the energy to produce power to the engine, so efficient energy combustion is critical to motor operation.1987 - 1996 F150 & Larger F-Series Trucks - 96 F-150 5.0 misfire from hell!!!! - im having a hard time figuring this one out. my truck has a misfire that is very noticeable at low rpm when in O/D the truck will buck hard and seems to lack power. I haven't gotten a code but I got it to throw a pending code sitting in...Ford F-150 / F-Series Generations. 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. 1998 F150 4.6L Cylinder 8 Misfire - Need advice. Post by gahomegarden » Sun Aug …So after I extracted the plug from #8 cylinder and installed a new plug I cranked the truck and it was idling very rough and had a terrible miss around 1200rpm. I pulled the codes and got several misfire codes and ignition coil faults on #5,6 and 7 cylinder. Popped in 3 known good coils in these 3 cylinders with no difference.

Jul 1, 2020 · In this video we show you what to check when you have hard to diagnose misfires on this engine.These are the Parts and Kits I Recommend:2004-2014 Engines Lat...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.2011+ Engine Related Questions - 2012 F150 5.0 Misfire - 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...

Tech Notes. The P0306 code means that cylinder #6 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 #6. If the problem persists more tests need to be done to diagnose the problem. See "Possible Causes" for the most common problems. There is ...There are many issues that can cause engine misfires on cylinder 4, resulting in a P0304 code. The most common cause of a P0304 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.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Try running a simple vacuum gauge test and see if it i. Possible cause: Code says misfire on cylinder 8 and running lean on bank 2. I just replaced all 8 pl.