2004 GMC Envoy Q&A
2004 GMC Envoy Question: Where is the purge solenoid valve located?
If the engine is a 8 cylinder, the purge solenoid is on top of the engine under the plastic cover (behind the throttle body). If is is a 6 cylinder, the purge solenoid is on the drivers side of the engine below the intake manifold and has a red connector most times. - frontrangefleet