Check Engine Light Due to Gas Cap Issue on Cadillac Catera

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

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Average mileage: 35,000 (35,000–35,000)
5 model years affected: 1997, 1998, 1999, 2000, more2001
7 people reported this problem
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2001 Cadillac Catera 35,000 mi,
Check engine light due to evaporator leak. replaced gas cap...all set.