How do I reset the check engine light after replacing a faulty gas cap? The "tighten or check gas cap" message appeared on my dash after someone tried to steal gas out of my truck and was unsuccessful due to the lockable gas cap that was on my truck.
How do I reset the check engine light after replacing a faulty gas cap? on 2005 Chevrolet Silverado 2500 HD
by jamesgarvin in Hurricane, WV on March 22, 2013
ANSWER by pushrod on March 22, 2013
Remove neg. battery cable for a couple minutes. Then reattach.