P1441low severityPowertrain
Vacuum Cut Valve Bypass Valve
on 2018 Infiniti Q70L 5.6L V8 · RWD
What this code means
Fault in vacuum cut valve bypass valve controlling fuel vapor flow.
Symptoms
- CEL
- Failed emissions
- Fuel odor possible
Common causes
- Faulty bypass valve
- Damaged wiring
- Clogged valve
- Faulty ECM
Diagnostic steps
- Test valve operation
- Inspect wiring
- Check for blockage
- Test ECM output
Repair notes
Replace bypass 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