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Home >> Saturn >> 2010 >> Sky Red Line, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls And Fuel - 2.4L - Description And Operation) >> Description and Operation >> Evaporative Emission Control System Description >> EVAP System Components >> Purge Tube Check Valve

Purge Tube Check Valve

WARNING: This page is about a different variant/trim than selected.

Turbocharged vehicles have a check valve in the purge tube between the EVAP purge solenoid valve and the EVAP canister to prevent pressurization of the EVAP system under boost conditions. Note that the presence of this one-way check valve prevents pressure testing the EVAP system for leaks at the EVAP canister purge tube connector.

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