Check Engine Light Due to Gas Cap Issue: GMC Sierra 1500 Muffler & Exhaust

Problem overview

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

3 people reported this problem

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GMC Sierra 1500 vehicles with this problem

3 model years affected

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Check Engine Light Due to Gas Cap Issue on GMC Sierra 1500

Problem overview

GMC Sierra 1500 vehicles with this problem

Need a diagnosis? Trust our GMC experts.

Search for another problem

Ask our experts about your GMC.