P1446moderate severityPowertrain
EVAP Canister Vent Control Valve Closed
on 2018 Infiniti Q70L 5.6L V8 · RWD
What this code means
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 on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1