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...

Hey Everyone, first post here, been poking around for a while though. First, let me introduce myself, I am a Trailblazer owner (first and foremost) and an Android Developer. Much like a lot of people here I own a Bluetooth OBD2 adapter. While trying to find a decent app for OBD that is updated...

Hi, I have used the site in the past and it helped out a lot. I drive a 2004 Envoy 4.2L. Located in Westchester County NY. Having an issue with code P2138 and want to make sure if it is the pedal or the throttle body or what. Reduce Power light on after I start the car. Gas pedal works for one...