I have a 90 buick regal 3.1 litre it surges at idle, no check engine light


Asked by May 10, 2014 at 12:24 PM about the Buick Regal

Question type: Maintenance & Repair

just did the lower intake gasket

1 Answer


Check for vacuum leaks. Are all vacuum hoses properly installed? Are electrical connections to the tps, iac, and maf sensors firmly connected?

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