Question about 2002 Chevrolet TrailBlazer

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I was driving down the highway last nite with the a.c. on and the cruise on and listening to radio and all of a sudden my cruise control kicks off by it's self and the check engie light came on!? The check engie light i havn't been able to get it in to be checked out or anything but my cruise control won't work any idea's???????????

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Anything that causes a check engine light will by default disable the cruise control You need to get it scanned to see what code is in the system. As long as there is a failure, you will not have cruise control. The common issues on these are emission pump and valve failure, engine fan clutch failure or oxygen sensor failure. Any of these can cause issues, so you should get it looked at asap.

Posted on Jun 22, 2009

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Possably a vacuum leak. the check engine light comes on with an emmissions issue, ie vac leak, and it will not allow the cruise to work. once the error is fixed, your cruise should work properly again

Posted on Jun 20, 2009

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