Home/Oldsmobile/Eighty-Eight/Oldsmobile Eighty-Eight X (1992-1999)/Repair manual/Testing & Diagnostics/DTC P0446 - EVAP SYSTEM CANISTER VENT BLOCKED

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DTC P0446 - EVAP SYSTEM CANISTER VENT BLOCKED Oldsmobile Eighty-Eight X

Testing & Diagnostics

Note. For circuit reference, see DTC P0441 schematic.

Circuit Description

Evaporative (EVAP) emission system includes following components: fuel tank, EVAP vent solenoid, fuel tank pressure sensor, fuel pipes and hoses, vapor lines, fuel cap, EVAP emission canister, purge lines, and EVAP purge solenoid.