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GMC EVAP. need info..long
Posted to Technical Discussion Forum on 9/10/2009 21 Replies

Ok here it goes. Vehicle came in with mil p0440 Evap sys. Found evap purge valve stuck open. Replaced w/dealer purge ran evap service bay test and recieved a p0442.

All items that i am able to test / test good. System holds pressure and vac for at least 15 m... Login to read more.

21 Replies Received (View Replies)

 

car Vehicle Data

2000 GMC Sierra 1500 SLE 5.3L

Engine5.3 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2000 GMC Sierra 1500 SLE 5.3L

Engine5.3 L
Trans4-speed Automatic (Electronic)