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Chevrolet
Astro
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Check Engine Light Due to Gas Cap Issue on Chevrolet Astro

Problem Description and Possible Solution

Illumination of the Check Engine Light may be the result of a loose or worn gas cap.

Problem Data
RepairPal Verified
Average mileage: 135,500 (60,000–211,000)
10 model years affected: 1996, 1997, 1998, 1999, more2000, 2001, 2002, 2003, 2004, 2005
15 people reported this problem
Comments
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Check engine light goes on on long trips with multiple fill-ups. Resets after 1 or 2 fill-ups with normal driving