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G35 Sedan V35 2003-06 Discussion about the 1st Generation V35 G35 Sedan

Po3000 misfire headache

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Old Oct 10, 2018 | 12:09 PM
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From: Ma
Po3000 misfire headache
I have 2005 g35x sedan with random po300 misfire. Car drives perfectly drive and idles great. Would spark plug or ignition coils still be the problem even if drives normal? Any recommendations please would help
 
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Old Oct 10, 2018 | 12:12 PM
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When did you last change plugs, what procedure did you use to test the coil packs, is there oil in the spark plugs wells?
 
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Old Oct 10, 2018 | 08:28 PM
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Originally Posted by cleric670@gmail
When did you last change plugs, what procedure did you use to test the coil packs, is there oil in the spark plugs wells?

i have ave to change the topic now. I fixed the misfire which was a crack on the stock intake. Now I have a p1273 and p1283 which are the air fuel sensors on both cats I replaced those last month. But I’m reading now that it needs a relearn when you replace those air fuel sensors
 
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