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15 Posts
Discussion Starter #1
Hello everyone!

I'm new to the forum & somewhat new to the Trailblazers.
I bought a 2006 Trailblazer LS 4WD with the 4.2L inline 6 cylinder about a year ago, I put new tires on it & did the usual oil, trans, radiator fluid changes & it's been a nice running vehicle up until recently.

This is my first "Drive By Wire" vehicle with a ECM/PCM that basically controls everything so I've been getting a crash course in diagnosing electrical codes.

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