Having problems with your 2004 GMC Envoy ?

Where is the egr valve located on a 2004 gmc envoy xuv, and will a bad egr valve cause rough idle and rougher idle when ac is turned on?

Posted / edited by AnonymousUser on : 19-03-2018

Answers :

Yes it could cause that. the EGR is near the rear of the engine, if it is leaking it will sizzle water when you touch it with wet fingers.
Repair Help & Product Troubleshooting for 2004 GMC Envoy

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