Cool 2002 Duramax Check Engine Light Ideas. The most notorious lb7 duramax problem is their original injectors. Web the check engine light on duramax diesel trucks is the telltale sign that your vehicle needs attention.

Web i have a 2002 chev. Web i think when your engine hits closed loop it starts running bad due to a sensor, switch or valve going bad. Is there a way to manually reset the check engine light?
