Question about 2004 Chevrolet TrailBlazer
Doesn't have one. We have an Electronic Throttle Control or ECT. The idle air control is controlled by your PCM and throttle body, so there isn't a valve. What's the problem or what problems are you experiencing? Chances are it's a dirty throttle body.
Posted on Mar 25, 2011
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Posted on Jan 02, 2017
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