rough idiol seems to smooth out after car warms up

Asked by Feb 24, 2017 at 06:58 PM about the 2002 Buick Century Custom Sedan FWD

Question type: Maintenance & Repair

5 Answers

87,195

May need to clean the Mass Air Flow sensor, use the MAF cleaner only, also would want to clean up the throttle body with some carburetor cleaner, and check the air filter.

1 people found this helpful.

Thank You, That would make it a simple fix

37,965

Another possibility is an EGR valve stuck open

87,195

Yes KenF it would be a possibility but there would be a check engine light on.

87,195

I see your post did not come threw there Susan, so do as Tom says and have the vehicle scanned for the trouble codes.

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