Check Engine Light Due to Loose or Worn Gas Cap: GMC G3500 Muffler & Exhaust

Problem overview

A loose or worn gas cap could be cause the check engine light to illuminate.

1 person reported this problem

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GMC G3500 vehicles with this problem

1 model year affected

1996 GMC G3500

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Check Engine Light Due to Loose or Worn Gas Cap on GMC G3500

Problem overview

GMC G3500 vehicles with this problem

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