P1448low severityPowertrain
EVAP Canister Vent Control Valve Open
on 2018 Infiniti Q70L 5.6L V8 · RWD
What this code means
EVAP vent valve stuck open; system cannot seal for leak testing.
Symptoms
- CEL
- Failed emissions
- EVAP monitor won't complete
Common causes
- Faulty vent valve stuck open
- Canister liner failure
- Damaged wiring
- Corroded pins
Diagnostic steps
- Test vent valve
- Inspect canister
- Check wiring
- Test with scan tool
Repair notes
Replace vent control valve.
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