Why is my check engine light flashing

Asked by Feb 26, 2018 at 12:31 AM about the 2004 Pontiac Sunfire

Question type: Maintenance & Repair

I JUST had the catyletic converter replaced,  both o2
sensors, the fuel pressure sensor replaced.  Suddenly the
check engine light began to flash.

1 Answer

292,725

Time to scan for the OBD fault codes. Can you borrow a scanner or have your local auto parts store do it? You can recheck your work to see if you didn't miss any connections.

Your Answer:

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