A Loose or worn gas cap may cause Check Engine Light to illuminate.Google+
Car Problem Reports
Buick Enclave Check Engine Light Due to Gas Cap Issue
Buick Enclave Problem
Average Mileage: 82,731 mi (54,502 mi - 146,000 mi)
Visitor, 2008 Buick Enclave, 146,000 mi
check engine light came on today, can you tell me what might be the problem?
engine light is on and we are trying to solve the problem. I will look into the gas cap as well.