Check Engine Light Due to Gas Cap Issue on Buick Skylark

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

A loose or worn gas cap may cause check engine light to illuminate.

6 people reported this problem
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Buick Skylark vehicles with this problem

Average mileage: 87,000 miles
(87,000 - 87,000)

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