P0446

F : P0446. CANISTER CLOSE VALVE STUCK CLOSED

F1 : CHECK for FLOW THROUGH SYSTEM

NOTE: Depending on the severity of the blockage, it is possible that some difficulty has been experienced during refuelling.

1. Disconnect the vapor line from Evaporative purge valve inlet port and apply low pressure.
2. CHECK for free flow of air through the following, paying attention to kinked or flattened pipes.

- Filter.
- Interconnecting pipe. (Filter to CCV).
- CCV.
- Interconnecting pipe. (CCV to carbon canister).
- Carbon canister.
- Interconnecting pipe. (Carbon canister to fuel tank).
- Fuel tank vapor port.

Is there a restriction?
Yes
RECTIFY as necessary. CLEAR the DTC. Carry out a full Evaporative system monitor drive cycle, RECHECK DTCs. For additional information, see 'diagnostic drive cycles' above.

No
CLEAR the DTC. Carry out a full Evaporative system monitor drive cycle, RECHECK DTCs. For additional information, see 'diagnostic drive cycles' above.