C 1500 Yukon 2WD V8-4.8L VIN V (2000)
Evaporative System Service Port: Description and Operation
Enhanced Evaporative Emission (EVAP) Service Port
The enhanced EVAP service port is located in the EVAP pipe in the engine compartment near the purge solenoid. The service port is identified by a
green colored cap. The port contains a Strainer valve and a fitting to allow the connection of the J 41413 EVAP pressure/purge diagnostic station for
diagnosis of the evaporative emission system.