P1448
EVAP Canister Vent Control Valve Open
2011-2013 Infiniti M56 5.6L V8
Low SeverityPowertrain
Description
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
- 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
P1448 on Other Vehicles
Common Questions
What does code P1448 mean on a 2011-2013 Infiniti M56?
P1448 stands for "EVAP Canister Vent Control Valve Open". EVAP vent valve stuck open; system cannot seal for leak testing.
What are the symptoms of P1448 on a Infiniti M56?
Common symptoms of P1448 include: CEL, Failed emissions, EVAP monitor won't complete.
What causes P1448 on a 2011-2013 Infiniti M56?
Common causes of P1448 include: Faulty vent valve stuck open, Canister liner failure, Damaged wiring, Corroded pins.