02-09 Vortec 4.2L I-6 Engine and Drivetrain
I have a 2004 GMC Envoy I purchased not too long ago. Recently, as in 3 or 4 days ago, the REP light has been coming on very often. Has only come on once before and had not been back on since. Until now. Now as soon as I take off it only takes a couple minutes to come on. I made it to the auto...