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09-21-2009
ok i keep misfiring on cylinder 5 and the plug cracks every time i scanned from a 30 roll and the aero says cyl 5 misfired 22 times.....thinkin about moving coils around to see if the misfire follows the coil ....hmmm this cant be a sign of internal problems can it?
09-21-2009
Pics of said plug. Detonation could cause it though maybe cracking the plug.
09-21-2009
Plug damage most of the time means there is something flying around in there causing that...as in...a piece of a piston.
09-21-2009
welcome to my world my cylinder 5 is what is the problem... =[
hogan 3inch DP u bend delete ,180*tstat, autolite 104s, LED interior, 4" FWI, 2000watt system, bullitt rims, zzp pistons, pems, alt rewire, thrush muffs, 3.4 zzp mps, transgo shift kit, triple edge performance trans. autometer triple pod :SOON: urlosn HPT PCM tune, HEADERS, 1.9's
09-21-2009
ill get pics up if i can....i hope its not an internal issue ill be pissed....
09-21-2009
yeah, usually screwed up plugs mean something is in there bouncing around. if its a piece of piston i bet i can bet where on the piston it chipped off.
09-21-2009
be prepared to become pissed......
hogan 3inch DP u bend delete ,180*tstat, autolite 104s, LED interior, 4" FWI, 2000watt system, bullitt rims, zzp pistons, pems, alt rewire, thrush muffs, 3.4 zzp mps, transgo shift kit, triple edge performance trans. autometer triple pod :SOON: urlosn HPT PCM tune, HEADERS, 1.9's
09-21-2009
Just buy a short block and be happy
09-21-2009
1-2 O'Clock area would be my guess.Originally Posted by Bio248
yeah, usually screwed up plugs mean something is in there bouncing around. if its a piece of piston i bet i can bet where on the piston it chipped off.
09-21-2009
no good
hogan 3inch DP u bend delete ,180*tstat, autolite 104s, LED interior, 4" FWI, 2000watt system, bullitt rims, zzp pistons, pems, alt rewire, thrush muffs, 3.4 zzp mps, transgo shift kit, triple edge performance trans. autometer triple pod :SOON: urlosn HPT PCM tune, HEADERS, 1.9's
09-22-2009
ok guys now the misfire has moved to 3,4,5 and the plug wasnt cracked my mistake i thought i saw hairline cracks on it last night but i was dark....no cracks just random misfires all over im gonna have to go with i need colder plugs or new wires/coils....
09-22-2009
Run the stock plugs...
09-22-2009
i set them at .55 but ill check to see if it has moved (like its been hit) *sigh*
09-22-2009
Switch to AL104's and gap around .05. This only happens after you see boost or does it happen at idle also?
09-22-2009
when im boosting is the only time it happens....it did this intermittently with 104's however also....but i did have a cracked plug....i did another scan today and cylinders 4,5 and 5 misfired cyl5 3 times and cyl4 1......this was at WOT.....but sometimes ill do the same 3mph pull with no misfires....
09-22-2009
its funny since my car misfired at idle since i had it together, but it never misfired at WOT unless i was running retarded lean/rich.
09-23-2009
What kind of code reader are you using? Any codes coming up?
You can determine which clylinder it is using a Tech 2 for example. It will give you misfire history and will show you what cylinder is creating the condition.
I would say your next course of action after replacing the spark plugs, is to obtain a correect data list to determine what cylinder is misfiring.
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