Check Engine Light Due to Gas Cap Issue on GMC 3500 Pickup

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

RepairPal Verified
Average mileage: (–)
Exhaust & Emissions affected: Gasoline
5 model years affected: 1996, 1997, 1998, 1999, more2000
5 people reported this problem
0 people shared problem details
Related Items:
The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engin...
The distributor may develop internal faults. This can cause a rough running engine or stalling...
Vehicles equipped whit a 4 speed automatic transmission may develop a harsh 1-2 shift and/or il...
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/...
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases,...

Related Content