P0446 Evaporative Emission Control System Vent Control Circuit Malfunction How To Fix?

How do I fix code p0446?

How To Diagnose And Repair Code P0446:

  • Scan your vehicle to verify P0446 is the only code present.
  • Inspect your gas cap to see if it is loose or damaged.
  • If the fuel cap didn’t fix it, perform an EVAP system leak check: Pinch off the vent tube to the EVAP Vent Control Valve.

2 May 2018

How much does it cost to fix p0446?

The cost for EVAP system repair ranges between $200 and $560. The labor alone will cost somewhere between $35 and $140, while parts will run somewhere between $150 and $440.

Where is the evaporative emission system vent control circuit?

The vent control valve is usually installed at the back of a car or truck; near or at the charcoal canister. The vent control valve is an electrical solenoid/valve that is controlled by the engine computer (ECM). The vent control valve is normally open; it controls the air supply into the canister.

What does evaporative emission system vent control circuit mean?

OBD-II Code P0446 is defined as a Evaporative System Vent Control Circuit Malfunction. The evaporative control (EVAP) system captures any raw fuel evaporating from the fuel storage system (e.g. the fuel tank, filler neck, and fuel cap).