Recent content by 02TBLTZ

  1. 0

    '02 Trailblazer VERY rough after warmup (OK while still cold)

    TB runs perfectly after cleaning the throttle body and replacing the CPAS (which was almost 100% surely not needed). It was really angry during the relearn process and threw a P0300 (bought a cheap scanner, too!!) Thank you, GMTNation for your help. You should saved me a heap of cash! Now...
  2. 0

    '02 Trailblazer VERY rough after warmup (OK while still cold)

    Pulled the battery last night before tackling the TB. It didn't look like a hard job to get it out of there, but when stuff has been untouched for 12 years, it's dirty and the plastic is brittle. Plus those wiring harness plugs are nearly impossible to get apart. I have another vehicle at my...
  3. 0

    '02 Trailblazer VERY rough after warmup (OK while still cold)

    Just started happening, car was perfect before last Friday. so perfect that I jinxed myself by marveling at how excellent it was a few weeks ago, 137k all my driving. :frown: Here are the symptoms: Runs fine until warm When warm, REALLY rough, seemingly un-drivable CEL flashed a bunch of...

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