P1446
EVAP Canister Vent Control Valve Closed
2011-2013 Infiniti M56 5.6L V8
Moderate SeverityPowertrain
Description
EVAP vent valve stuck closed preventing tank venting during refuel.
Symptoms
- CEL
- Difficulty filling fuel tank
- Pump nozzle clicks off early
- Tank pressure issues
Common Causes
- Faulty vent solenoid (90% of cases)
- Clogged vent hose
- Dirty canister
- Corroded pins
Diagnostic Steps
- Test vent solenoid
- Inspect vent hose
- Check canister
- Test connector
Repair Notes
Replace EVAP vent control solenoid.
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1446 on Other Vehicles
Common Questions
What does code P1446 mean on a 2011-2013 Infiniti M56?
P1446 stands for "EVAP Canister Vent Control Valve Closed". EVAP vent valve stuck closed preventing tank venting during refuel.
What are the symptoms of P1446 on a Infiniti M56?
Common symptoms of P1446 include: CEL, Difficulty filling fuel tank, Pump nozzle clicks off early, Tank pressure issues.
What causes P1446 on a 2011-2013 Infiniti M56?
Common causes of P1446 include: Faulty vent solenoid (90% of cases), Clogged vent hose, Dirty canister, Corroded pins.