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Buick Century

Report: Check Engine Light Due to Gas Cap Issue

Buick Century Problem
2 Reports
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Model Year Affected: 1999

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Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

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  • Report #1
    A Greedy Tree, 1999 Buick Century, 164,202 mi
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     Enthusiast

    When I bought my car, I bought a locking gas cap. When I took my car to get it fixed, the guy told me to try the old gas cap and the check engine light went off.

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