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Engine idle then studferd

(1990 Buick Regal)
in Fuquay-Varina, NC on January 05, 2018
Engine idle is good then it starts rough idle and goes back to good idle
Tags: buick, regal
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Popular Answer
on January 05, 2018
1990 can be ‘professionally’ scan tested ... Recommend professional scan test to determine failure.

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