Hey guy I own a 02 f-150 ext cab 4x4 5.4L and it's skipping and jerking baddddd no coil codes replaced egr cleaned throttle body used seafoam
On behalf the battery is jimmy rigged could be the cause for the jerk/ skip? Mainly on acceleration or up hills by does do it around constant speed and main gear changing 30-40 55 and 60-75 rpms shoot to zero then back up causing the jerk idk what would cause this mainly coils I here ppl say but I got 0 codes for that
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Thread: Jerking/skipping
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11-12-2012, 09:20 PM #1Member
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Jerking/skipping
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11-13-2012, 04:46 AM #2Chief Moderator
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It really sounds like a coil pack. But u can't rule out an injector. It happins. Run some fuel treatment through it along with a tank full of good gas and see where u stand
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Good luck
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11-13-2012, 11:44 AM #3Member
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I did some seafoam and no help so I guess I can try that
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11-13-2012, 12:09 PM #4Chief Moderator
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What the hell is seafoam? Lol
Never heard of that
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11-13-2012, 01:25 PM #5Da Professuh
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Its a "cure-all" (aka: snake oil) that cures all your trucks problems (sarcasm). Its nothing but an naptha/alcohol type of detergent that is good for cleaning up carbon deposits, but people also put it in their vac lines, brake boosters, gas tanks, oil, etc thinking it will solve problems. I ran it once to clean out my upper intake manifold and it burned out my Bank 1 catalytic converter. Costs me $350 to replace it. I am a firm believer that the only thing an engine should have running through it is fuel, oil, and air.
OP, I replied to your PM. Its definately an ignition problem, coupled to that P-code. I'd check the spark plugs first and their gap, but its most likely the COPs (I don't think the 5.4Ls have coil packs, do they?) I'm not a V8 guy.4.2L V6 - M5OD | SCT XCal 3 @ JawsRacing | K&N Series-77 | 16" Dual Efans | Magnaflow High-Flows
50W 5000K FX-R Projectors | Philips LumiLED Taillights | 60" Plasmaglow Fire & Ice | 2" Drop Shackles
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11-13-2012, 04:13 PM #6Member
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Indeed they do just crazy I'm not getting a code for misfire
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11-13-2012, 08:04 PM #7Chief Moderator
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Really Alex? Coil packs on a 5.4? Yes of course! I think that just made my day. Lol
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Cure all huh? From an oil? Nah not fer me. Is that the clear stuff?
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11-13-2012, 08:30 PM #8Da Professuh
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You generally wont. I had bad spark plugs and I got a misfire every other second, my truck was skipping and hopping like it was about to puke. Do a search for your P-code. They are generally a wide-problem code, but I can tell you that it is an igntion problem, whether it be wires, plugs, etc.
Originally Posted by callmechad
Dude I can rebuild a 4.2L blindfolded but all I know about V8s is they have two more cylinders than me. lol Originally Posted by Joe Grasso
Yeah its clear.4.2L V6 - M5OD | SCT XCal 3 @ JawsRacing | K&N Series-77 | 16" Dual Efans | Magnaflow High-Flows
50W 5000K FX-R Projectors | Philips LumiLED Taillights | 60" Plasmaglow Fire & Ice | 2" Drop Shackles
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11-14-2012, 04:33 AM #9Chief Moderator
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Lmao. Thanks homes.
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11-14-2012, 05:33 PM #10Junior Member
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I would check the spark plugs I had the exact same problem and no codes at all. I replaced the plugs and wires and it completely fixed the problem. Have fun with those plugs though.
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