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Misfire with interceptors

Old May 26, 2011 | 09:28 AM
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Misfire with interceptors

So i changed my plugs yesterday and gaped them to .032 which is what im told i should be at. My question is though on my interceptors if i watch the misfires one will pop up in say cylinder 3 and it will stay there for about 5 seconds then go away. Is this the interceptor messing up or the car actually misfiring?
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Old May 27, 2011 | 05:35 PM
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Probably a miss fire. Retrace your steps on that cylinder.
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Old May 27, 2011 | 05:45 PM
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What plugs did you put in? I believe some plugs should not be re-gapped.
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Old May 27, 2011 | 05:46 PM
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From: Edmond
Originally Posted by JetBlackSS
What plugs did you put in? I believe some plugs should not be re-gapped.
Yup.
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Old May 27, 2011 | 05:49 PM
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I've seen a few cars recently come up with bad coils which can cause misfires as well.
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Old May 27, 2011 | 05:51 PM
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Originally Posted by Tomtwtwtw
I've seen a few cars recently come up with bad coils which can cause misfires as well.
This or you maybe be getting some slight blow by. I was, then gapped mine at .028 now it's fine.
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Old May 27, 2011 | 06:25 PM
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i got ngk 1 step colder from ottp, but like i said it pops up and then goes away
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Old May 27, 2011 | 06:26 PM
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From: Sea-Town
Originally Posted by dayhoff35
i got ngk 1 step colder from ottp, but like i said it pops up and then goes away
Me too. Are you modded at all?
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Old May 27, 2011 | 06:33 PM
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trifeca e85 tune,zzp cp, mpx dp, k&n intake
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Old May 27, 2011 | 06:35 PM
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From: Sea-Town
I would make the gap a little smaller if you are running a good amount of psi over stock. try a .028 on the gap and see what happens. Could be coils too tho. The gap is just what helped my problem.
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Old May 27, 2011 | 06:36 PM
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ok i was told .032 but ill try that tomorrow. it shouldnt hurt them to take them out and regap them does it?(newb)
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Old May 27, 2011 | 06:37 PM
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Originally Posted by dayhoff35
ok i was told .032 but ill try that tomorrow. it shouldnt hurt them to take them out and regap them does it?(newb)
No I do not believe so.
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Old May 27, 2011 | 07:02 PM
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Which NGK's? I dont think you are suppose to gap the ngk iridiums. The ngk's I just got had a warning to not re-gap.
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Old May 27, 2011 | 07:07 PM
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i never gapped them just checked them and they were at .032 already so i didnt need to do anything to them
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Old May 27, 2011 | 07:13 PM
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Just realized you are TC..... check out gmsc and do a search for spark plugs....there is a good thread there about spark plugs for all trim level balts.
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