P1401low severityPowertrain
EGR Temperature Sensor
on 2018 Infiniti Q70L 5.6L V8 · RWD
What this code means
Fault in the EGR temperature sensor for verifying EGR operation.
Symptoms
- CEL
- EGR may not operate correctly
- Increased NOx
- Failed emissions
Common causes
- Faulty temp sensor
- Damaged wiring
- Carbon fouling sensor
- Corroded connector
Diagnostic steps
- Test sensor resistance
- Inspect wiring
- Clean sensor
- Compare readings
Repair notes
Replace EGR temperature sensor.
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