P0140
O2 Sensor Circuit No Activity Bank 1 Sensor 2
2004-2004 Mitsubishi Eclipse 3.0L V6 🇬🇧
Moderate SeverityPowertrain
Description
The downstream O2 sensor on Bank 1 shows no switching activity.
Symptoms
- Check Engine Light
- No catalyst monitoring
Common Causes
- Faulty sensor
- Heater circuit failure
- Wiring open
Diagnostic Steps
- Test sensor voltage
- Check heater
- Inspect wiring
Repair Notes
Replace downstream O2 sensor.
Related Codes
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
P0140 on Other Vehicles
Mitsubishi 3000GT
1996-1996 3.0L V6 Twin Turbo
Mitsubishi 3000GT
1997-1997 3.0L V6 Twin Turbo
Mitsubishi 3000GT
1998-1998 3.0L V6 Twin Turbo
Mitsubishi 3000GT
1999-1999 3.0L V6 Twin Turbo
Mitsubishi Colt JP
2002-2002 1.3L I4 4A90
Mitsubishi Colt JP
2002-2002 1.5L I4 4A91
Mitsubishi Colt JP
2003-2003 1.3L I4 4A90
Mitsubishi Colt JP
2003-2003 1.5L I4 4A91
Common Questions
What does code P0140 mean on a 2004-2004 Mitsubishi Eclipse?
P0140 stands for "O2 Sensor Circuit No Activity Bank 1 Sensor 2". The downstream O2 sensor on Bank 1 shows no switching activity.
What are the symptoms of P0140 on a Mitsubishi Eclipse?
Common symptoms of P0140 include: Check Engine Light, No catalyst monitoring.
What causes P0140 on a 2004-2004 Mitsubishi Eclipse?
Common causes of P0140 include: Faulty sensor, Heater circuit failure, Wiring open.