Check Engine Light Due to Gas Cap Issue: Buick LeSabre Muffler & Exhaust

Problem overview

Illumination of the check engine light may be the result of a loose or worn gas cap.

192 people reported this problem

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Buick LeSabre vehicles with this problem

Average mileage: 119,666 miles

(26 - 237,611)

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Check Engine Light Due to Gas Cap Issue on Buick LeSabre

Problem overview

Buick LeSabre vehicles with this problem

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