98gtp 3.4 pulley zzp tune, thrasher air box no cat 3 down pipe just fixed my lean condition new supercharger gasket injector o rings fixed vacuum leaks now it's sputtering under boost
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09-30-2015
98gtp 3.4 pulley zzp tune, thrasher air box no cat 3 down pipe just fixed my lean condition new supercharger gasket injector o rings fixed vacuum leaks now it's sputtering under boost
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09-30-2015
How old are plugs and wires?
09-30-2015
Less than year autolite 104s plug wires replaced less grabbing year and icm number one plug wire end came off and the wire inside was toast replaced it tackin for drive now
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09-30-2015
Took out the front three plugs cleaned then with a wire brush changed the number one plug wire now got random multiple misfire check engine light flashing at me any thoughts
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09-30-2015
Did you pull the wire by the boot or the wire.
09-30-2015
time for new plugs? and new wires. if you got the local parts store wires most have a warranty, will replace one time at least.
09-30-2015
I had a spare set of wires think I messed up a few ends I recrimped them gonna check the back three now, are autolite 104 ok I got some 103 and 606 I believe
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10-01-2015
Ok last night car ran perfect woke up this morning let it warm up came out side after ten minutes it's missing out check engine light is on and flashing says cylinder 6 miss fire car seems to run pretty well only thing left to do is run a compression check on that cylinder n swap out cylinder 6 injector any thoughts??
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10-01-2015
Guess it could be the icm also but I checked last night pulled wire of cylinder 6 coil pack and it was bright blue sparks popping.Can the icm fail intermittently?
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10-01-2015
icm can test good and be bad still, act up when they get hot.
make sure the plug wires are not touching the o2 wires on the back side of the engine.
10-01-2015
It only misfired when it was cold light still on not flashing I'll check the wire position
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10-01-2015
I do believe cylinder 6 is the only plug wire that I have zip tied to something metal on the backside of the motor maybe that's what it is
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10-01-2015
dont zip tie wires to metal. undo that, check the wire for damage. a grounded plug wire will misfire.
10-01-2015
Ok it wasn't zip tied it was in the spark plug holder on the rear close to the o2 sensor but not touching it was touching the o2 wiring so I repositioned that see what happens
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10-01-2015
that might fix it. seen posts where guys had issues when the plug wire touched o2 wires.
10-01-2015
I hope so this cylinder 6 issue has been on n off for couple weeks now
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10-01-2015
Think it's fixed!! :-) check engine light went off on it's own right after I moved the o2 wiring hasn't came back car it's running better than it ever has in my option
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10-01-2015
that was it i'd think. now to wait for the next issue,,,there will be one sooner or later lol its a W body after all.
10-01-2015
Yup I'm used to it all I've ever owned just hate when it ends up being a wild goose chase thanks for the help!!
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10-01-2015
well you learned not to zip tie the plug wires to another wire harnesses..
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