P1443low severityPowertrain
EVAP Canister Control Vacuum Switch Circuit
on 2018 Infiniti Q70L 5.6L V8 · RWD
What this code means
Fault in EVAP canister control vacuum switch for leak detection.
Symptoms
- CEL
- EVAP monitor incomplete
- Failed emissions
Common causes
- Faulty vacuum switch
- Damaged wiring
- EVAP leak
- Faulty purge solenoid
Diagnostic steps
- Test vacuum switch
- Inspect wiring
- Smoke test EVAP
- Test purge solenoid
Repair notes
Replace vacuum switch or repair leak.
Other Powertrain codes on this vehicle
P0001
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P0002
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P0003
Fuel Volume Regulator Control Circuit Low
P0004
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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