Question about 2004 GMC Envoy

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Car back fire and stall changed camshaftsensor cranksensor after car would not start

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  • KEVIN JENKINS Mar 02, 2012

    replaced throttle body ran for acoulple hours then would not start back at shop waiting to be looked at

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Check your parts! get oem sensors if you have no codes then check the throttle body unplug it and see if you can open the valve by hand it should be springy but open freely sometimes thay stick shut this may give you no spark to.

Posted on Feb 25, 2012

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