2002 Buick regal

Asked by May 14, 2017 at 08:07 AM about the 2002 Buick Regal LS

Question type: Maintenance & Repair

My 2002 Buick Regal drives great 2 for days and then the
service engine soon light comes on, I took it to Autozone
no codes came up I got oil change spark plugs and wires
changes a gas cap and a fuel filter and 2 days later the
light comes on and it drives real ruff like making the car
just plz help me thanks..... Naeemah

2 Answers

145

Idle air control valve could be sticking and dirty

1 of 1 people found this helpful.
70,255

Sounds like a misfire code (P0300 for example). Sometimes a "hard" misfire code won't set for a few ignition cycles of the engine misfiring. I ran into the same problem with my '03 S-10 Pick Up. If the service engine soon light starts flashing there will be a code in there then. Sounds kinda silly but be patient. The code will set. Just may take a little while on this one. HTH. -Jim

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