A Loose or worn gas cap may cause Check Engine Light to illuminate.
Car Problem Reports
Pontiac G3 Check Engine Light Due to Gas Cap Issue
Pontiac G3 Problem
Model Years Affected: 2009, 2010
Average Mileage: 62,500 mi (18,000 mi - 107,000 mi)
Visitor, 2009 Pontiac G3, 18,000 mi
can"t get light to turn off even after many attempts with the code. this may be the solution i have been looking for, thanks