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Home >> Pontiac >> 2005 >> Grand Prix Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls - 5.3L - Introduction) >> Description and Operation >> Evaporative Emission (EVAP) Control System Description >> EVAP System Components >> EVAP Service Port
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EVAP Service Port

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The EVAP service port is located in the EVAP purge pipe between the EVAP purge solenoid valve and the EVAP canister. The service port is identified by a green colored cap.