P1140
Intake Valve Timing Control Position Sensor Bank 1
2011-2012 Infiniti G25 2.5L V6
Moderate SeverityPowertrain
Description
Fault in VTC position sensor monitoring actual camshaft position.
Symptoms
- CEL
- Rough idle
- Poor performance at certain RPM ranges
Common Causes
- Faulty CMP sensor
- Damaged wiring
- Oil contamination
- Timing chain stretch
Diagnostic Steps
- Test sensor output
- Inspect wiring
- Check oil condition
- Monitor cam position
Repair Notes
Replace CMP sensor.
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
P1140 on Other Vehicles
Common Questions
What does code P1140 mean on a 2011-2012 Infiniti G25?
P1140 stands for "Intake Valve Timing Control Position Sensor Bank 1". Fault in VTC position sensor monitoring actual camshaft position.
What are the symptoms of P1140 on a Infiniti G25?
Common symptoms of P1140 include: CEL, Rough idle, Poor performance at certain RPM ranges.
What causes P1140 on a 2011-2012 Infiniti G25?
Common causes of P1140 include: Faulty CMP sensor, Damaged wiring, Oil contamination, Timing chain stretch.