Check Engine Light Due to Gas Cap Issue on Chevrolet Venture

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

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Average mileage: 106,509 (30,000–211,000)
9 model years affected: 1997, 1998, 1999, 2000, more2001, 2002, 2003, 2004, 2005
31 people reported this problem
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problem details
1997 Chevrolet Venture 211,000 mi,
I replaced the cap with a new one and light did not go off.
2001 Chevrolet Venture 30,000 mi,
Gas cap was too loose. Tightened it up, problem solved.
It's had the check engine light since
2005 Chevrolet Venture 91,000 mi,
Check engine light stayed on for a few days, and my wife took vehicle to chevrolet dealer for service. The mechanic said there was a leak around the gas cap area and they fixed. I was charge for 1 hour labor plus tax.
2005 Chevrolet Venture 81,000 mi,
Used diagnostic code reader, and it gave me the problem "evaporative system leak". Auto parts store said change the gas cap. Got new cap, problem solved
2004 Chevrolet Venture 80,000 mi,
Loose gas cap = "check engine" light. reset/replaced cap, no problem since.