Check Engine Light Due to Gas Cap Issue on Saturn SC2

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

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Average mileage: 107,163 (60,000–150,000)
7 model years affected: 1996, 1997, 1998, 1999, more2000, 2001, 2002
17 people reported this problem
6 people shared problem details
I had the check engine light on in my car, so I took it in to get a diagnostic. The mechanic explained that the car is designed to recycle gas vapors, and if some of those vapors escape through the gas cap, then the car detects that as a leak, and the check engine light goes on. He put a new gas cap on the car and the light's been gone since.
2001 Saturn SC2124,810
Needed new gas cap
1997 Saturn SC2123,000
Check Engine light on and lacked power. Needed new gas cap.
1996 Saturn SC278,000
have replaced my gas cap numerous times since about 50000 miles and keep having the same issue with the CE light and then replacing it again
2001 Saturn SC281,000
Threw a vacuum leak code. Bought a new OEM gas cap. Code no longer appears. These cars are hard to kill...check your oil!
2001 Saturn SC2141,500
check engine light due to gas cap issues
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