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2006 Chevrolet Trailblazer - Page 6 Questions & Answers
How do you perform a idle speed relearn
Unhook the battery for at least 30 minutes. Hook it back up and drive away. After so many drive cycles, it will re-learn the new TB. Same process as when you clean your throttle body.
2006 Chevy Trail Blazer 4.2 liter. Where is the coolant temp sensor located?
Since its an 06, its located rear right side upper end of engine...if it was an 05 or older , its located right above the thermostat housing...I said the later because you will sometimes have the correct model year but the manufacture put in a previous model years engine depending on actual build date...
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