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multiple misfire
05 base, did oil change new aos, new mass air, cleaned intake, ngk coils , ngk plugs bkr6egp,s , car was bouncing on the tach , a little, misfires on the scan tool. just did a two day run, smooth on idle. but noticed, a few pops under acceloration, scan says misfires. what next, crank sensor, cam sensors. ? smoke test ?
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08-24-2021, 08:07 AM
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Join Date: Aug 2010
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Posts: 2,894
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Check to see all your coil packs connectors are seated.
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08-24-2021, 08:10 AM
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Check coils
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08-24-2021, 09:27 AM
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coil packs
have checked the seating of plugs on coils, unfortunatly, a plastic clip on the front one snapped off. am thinking the rubber seal , and protective boot, will hold for now. are they replaceable. or does that part of the harness now need to be changed? next a run and a scan. also can coils be checked with a meter?
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08-27-2021, 07:56 AM
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You need to change the harness connector end, or it will happen again.
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08-27-2021, 08:52 AM
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coil pack clip
the clip breaking was not the root cause, of the problem. it happened, when doing coils and plugs. the misfires occured before and after all the above work. next step is to check ground,s and a new batterey, i think seven years old , its time to go.
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08-30-2021, 07:03 AM
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has anyone had any experience, changing, the coil connecters, it appears they have to be spliced in to the harness.
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09-02-2021, 06:29 AM
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new crank position sensor, might have got it.
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09-18-2021, 07:52 AM
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Quote:
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09-18-2021, 08:24 AM
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took it out, and drove it like a porsche, no codes no misfire. the crank position sensor, appeared to be worn at the tip.
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09-25-2021, 07:04 AM
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