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Home >> Pontiac >> 2004 >> GTO Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls -- 5.7L -- (Introduction) >> Description and Operation >> Evaporative Emission (EVAP) Control System Description >> EVAP Service Port
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EVAP Service Port

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

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