where is the purge valve located on 2007 yukon? on 2007 GMC Yukon

check engin light is on & from time to time the tighten gas cap message comes on

by in Country Club Hills, IL on November 25, 2012
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1 answer
ANSWER by , November 25, 2012
Underneath the vehicle, with the canister and other vent valves and hoses...