Backfiring issues

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05-01-2008, 09:07 AM

#11

rlh6805

1st Gear Member

Join Date: Mar 2008

Location: Michigan

Posts: 137

RE: Backfiring issues

Quote:

ORIGINAL: H! Volt@ge

Also, the check engine light flashes if u hold the rpm at those ranges. It does not stay solid.

Flashing CEL indicates a "type A" misfire. Hook a scan tool up to it and pull the DTC's. Should be a P030x, where x could be 1-8 indicating what cylinders are misfiring. I would deffinetly NOT install any aftermarker tunes or other accessories in it until the dealer has this figured out. You don't want to give them any reason to void the warranty. IMO, it is probably a COP that is bad.