Question about 2004 GMC Envoy

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Where is the PVC valve located and how do you replace

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LJ
You should find the PVC valve (positive crankcase ventilation) on the surface of the valve cover with a hose connected to it. Sometimes it's hard to spot but it's not to replace.

Posted on May 17, 2014

  • Jermaine Collins
    Jermaine Collins Jan 06, 2017

    Okay. Is there a way to clean it?

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Jermain/LJ, if you have the I6 engine, we do not have a PCV on our engines, which is why our throttle body gets dirty quicker than most cars.

Posted on Jan 09, 2017

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NOTE: On VIN K applications, the Manifold Absolute Pressure (MAP) sensor is mounted to the Positive Crankcase Ventilation (PCV) Valve cover


Please don't forget to rate!!!

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