Question about 2002 Chevrolet TrailBlazer
Classic dirty throttle body syndrome. Disconnect the battery again. Clean your throttle body with throttle body cleaner, needs to be nice and shiny. When finished, hook the battery back up and drive around for 20 or so, so the computer can re-learn a properly functioning throttle body.
Your computer learned some bad habits with the dirty TB, so when the battery was disconnected, it thought the TB was clean and functioning properly, hence your problem.
Total cost to fix your problem is about $5 for the can of TB cleaner.
Posted on Mar 15, 2011
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Posted on Jan 02, 2017
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