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  1. 4x4 Drivetrain
    First, thanks for reading my first post here and for any help you might be able to give. I went through the "Please read me first before making a post" in the 4x4 section. I've got a '03 TB EXT with the I6 engine and 230,000 miles. My service 4wd comes on when I'm in AWD and I turn, notice a...
  2. OEM Issues
    Got car used from Jake Sweeney back in July. Car makes whining noise maybe belt issue. 182,500 miles on car. 4.2 v6. 27 percent oil life. Just got a Hum from Verizon (kinda like onstar) put reader in the OD spot. Popped up code P0014. And for first time SERVICE ENGINE LIGHT CAME ON. Car...
  3. 4x4 Drivetrain
    So. This has been an issue for my envoy for quite some time. It first started when I would make hard U turns, the 4 wheel drive would engauge and it would be very diffficult to turn. It happens often enough to make it a nusiance. Now, while driving it will engauge out of no where. The switch...
  4. OEM Issues
    Hello im new to this site and new to my trailblazer (chevys as well). Just recently my service engine soon light popped on and wasnt sure what it could be. I took it to my local Orielly's and tested it. It showed the code "P0440 Evaporative Emission Control System Malfunction". I dont know a lot...
  5. TrailBlazer / Envoy Chat
    Hi, I am looking at a 2004 Envoy, reasonably priced ($9800) but with 105,000 miles on it. I need a 4x4 to drive gravel roads all summer and get out of my drive way in the winter, app. 7500 miles/year. What I would like to know is what kind of experiences you made with high milage Envoy's. I...
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