Have vehicle scanned to determine the problem - usually either a defective gas cap or a problem in the emission control system
disconnect battery cables and touch them together! I have done this and it worked. I have an 05 2500hd
The 2005 GMC Sierra-2500HD has a V8 engine.
The 2005 Chevrolet Silverado-2500HD has a V8 engine.
you have to have a scan tool to do it most shops will check it for a min shop fee or parts stors will do it for free
The 2005 Chevrolet Silverado-2500HD has a 6.0 L base engine size.
The 2005 GMC Sierra-2500HD has a 6.0 L base engine size.
The 2005 GMC Sierra-2500HD's engine produces 300 hp @ 4400 rpm.
The 2005 Chevrolet Silverado-2500HD's engine produces 300 hp @ 4400 rpm.
The 2005 Chevrolet Silverado-2500HD's engine produces 360 ft-lbs. @ 4000 rpm.
The 2005 GMC Sierra-2500HD's engine produces 360 ft-lbs. @ 4000 rpm.
No the check engine light will not come on
The check engine light on a 2005 Jeep Grand Cherokee looks like this... Here is a link Check Engine Light It looks like a little yellow engine.