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Q: where is the purge valve on 1999 Chevrolet Silverado 1500

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where is purge valve located
(2) Answers
(3) Comments
valve is located under intake manifold cover, front, behind throttle body on top of intake manifold. easy replacement for around $40.
it has an evap leak. i was not thinking about the gas cap.

you need a scan tool, smoke machine and a voltmeter to find the issue. evap problems are one of the toughest to track done. a shop can do this to diag the issue and give you a bid.
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