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Home >> Volvo >> 2000 >> S70 GLT SE >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Self-Diagnostics - Turbo >> Diagnostic Tests >> P0454, P0455/ECM-4308: Leak Diagnosis, Large Leak >> Fault Conditions

Fault Conditions

The EVAP canister shut-off valve is closed, this means that the fuel tank system is closed. Canister purge valve is pulsed, pressure in the fuel tank should drop rapidly. ECM-4308 is stored if the pressure in the fuel tank does not drop rapidly enough.

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