swapped plug & coil still misfires

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09-24-2014, 08:13 AM

clancy

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swapped plug & coil still misfires

2000 A6 2.7 has a misfire in #5. Swapped coil with #6, still missing in #5. Swapped #6 plug into #5, still misfire. What is next? ICM? Plugs have less than 20,000 mile and look fine.

Swapped ICM and it moved to opposite side. #2 Problem solved. Replaced one ICM last year. Time for the 2nd one.

Last edited by clancy; 09-24-2014 at 08:34 AM.

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09-24-2014, 09:06 AM

georgeb944

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Sounds like it... Probability in decreasing order:

1) Coil
2) ICM
3) Plug
4) Injector

VCDS really helps to narrow it down.

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09-24-2014, 06:15 PM

Grapeking

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Quote:

Originally Posted by clancy

If the ICM swap made the misfire move to the other bank, than you've found the culprit: the ICM. Easy swap-out (about the easiest fix on these engines).