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2005 GMC Sierra Denali Question: where is the purge vent valve and hose located,I need to check it, code 0466.

 

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master-dlux, Webster, MA, January 03, 2012, 14:49
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Its a 05 sierra denali with the 6.0

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  • Answer #1

    January 03, 2012, 17:34
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     Master

    purge valve on on the front top of the motor.

    the vent is back by the tank mounted on the frame.

    you need a scan tool, smoke machine and voltmeter to verify if they are working. the code never identifies a bad part, just a failed system.

    Roy

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    master-dlux, January 04, 2012, 14:57
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    Thank you .

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