Question about 2002 Chevrolet TrailBlazer
I have a 2002 trailblazer and the engine wants to shut down when i turn on the air cond.
This has been a regular problem on the 4.2 vortec motor. Usually the Throttle Body has to be cleaned. Even with as many as 30K miles. Easy process.. When you do this you must unhook the neg battery cable to reset the PCM. They make a throttle body cleaner (different than Carb/choke cleaner). You can get it at any parts outlet. Trailvoy.com has a article describing the whole process step by step. Takes about 30 minutes. Do a search in the article section under throttle body cleaning
Posted on Mar 08, 2009
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Posted on Jan 02, 2017
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