Illumination of the Check Engine Light can be caused by a loose or worn gas cap.Google+
Car Problem Reports
Pontiac Vibe Check Engine Light Due to Gas Cap Issue
Pontiac Vibe Problem
Average Mileage: 96,600 mi (44,000 mi - 150,000 mi)
Visitor, 2004 Pontiac Vibe
gas cap purchase worked
Visitor, 2005 Pontiac Vibe, 150,000 mi
happens constantly and keeps on happening!
Visitor, 2005 Pontiac Vibe, 97,000 mi
check engine light came on, I took it to Asian Auto in Savannah, GA. They told me about the gas cap problem, but also said I needed a transmision flush. The cost for this was 350.00. Looking at this site, makes me feel that this was really high. Any input?