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  1. ECM Swap- same condition

    OEM Issues
    Hi there, I’m going to try and make this short with as much info as possible but I am in need of some friendly advice. A year ago I would be driving my 2003 4.2L 2wd GMC Envoy and from time to time it would just stall going down the highway. I would let it sit for a few mins and it would fire...
  2. '04 Misfire/ECM Codes

    OEM Issues
    Greetings, my '04 TB started running rough while just driving down the highway. The SES light is blinking under acceleration but steady when going down hill. Have had three coils fail on this truck in the past three years or so, each time producing the same symptoms. So off I go to AutoZone to...
  3. '04 Misfire/ECM Codes

    The "How-To" and DIY Section
    Greetings, my '04 TB started running rough while just driving down the highway. The SES light is blinking under acceleration but steady when going down hill. Have had three coils fail on this truck in the past three years or so, each time producing the same symptoms. So off I go to AutoZone to...
  4. New Member - Problems!

    General
    Hey everybody, new member, long time car guy. Grew up with a father who was a Master Technician and Instructor. Rebuilt many an engine and drove many different vehicles in my 54 years. The Problem: 04' Bravada bought new, 195k miles. Paid independent shop of good rep to replace timing...
  5. XUV owners - HELP!!

    General
    Hey guys - Been battling this for a while now. My endgate seems to have no memory as to whether the glass is up or down. As all XUV owners surely know, this messes up the ability to use the roof or the actual gate. Doing the re-learn is easy enough and allows the gate to open or close, but...
  6. [SOLVED] 1 code after another...need a ECM?

    The 02-09 "How-To" and DIY Section
    Hello...I am a new member but I have searched quite a bit on my cam & crank sensors for lots of widsom from everyone here. 2003 TB LT Ext 4x4 4.2L about 129k miles. I have been getting new codes for more sensors to be replaced over the past 2 months...it started with a temp. sensor, then the...
  7. any ideas? p0606

    OEM Issues
    So I've had a lot of problems fixed by my buddy on my 04 TB. He did a huge amount of work, fan clutch, ignition swith, water pump, tranny lines, tranny flush, coolant flush, wheel bearings, tires etc because I was moving from NY to TX. Anyway, no problems til yesterday. Went to work, was...
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