D2 A8/S8 (1997 - 2003)
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Misfire issue
Posted by: AvatarEric (110410) on 2018-04-24 06:41:05

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Hello, I have a 2000 a8 d2. I have a misfire that is stumping me. I have the p0300 and p0308 code which I believe the p0300 goes with the p0308. I have cleaned and verified flow on the injectors. I have switched around both the spark and ignition coils but it still misfires in cylinder 8. I believe the ignition control module is now integrated into the ecu so I cant just easily change that. Any ideas what I can check or replace next to try to fix this? Also it is a high rpm only misfire. It happens around 4k rpm under load every time but doesn't feel like there is any loss of power. When it happens the mil flashes for a bit then goes off.
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All messages | Search Forums | Return to D2 A8/S8 (1997 - 2003)