P0141
O2 Sensor Heater Circuit Bank 1 Sensor 2
1995-2005 Pontiac Sunfire 2.2L I4
Low SeverityPowertrainGeneric (SAE)
Description
Malfunction in the downstream O2 sensor heater circuit for Bank 1.
Symptoms
- Check Engine Light
- Failed emissions
Common Causes
- Faulty sensor heater
- Blown fuse
- Wiring damage
Diagnostic Steps
- Check fuse
- Test heater resistance
- Inspect wiring
Repair Notes
Replace O2 sensor or repair wiring.
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
P0141 on Other Vehicles
Pontiac Aztek
2001-2005 3.4L V6
Pontiac Bonneville
1990-1999 3.8L V6
Pontiac Bonneville
2000-2005 3.8L V6
Pontiac Bonneville GXP
2000-2005 4.6L V8
Pontiac Bonneville GXP
2000-2005 4.6L V8 Northstar
Pontiac Bonneville SSEi
1992-1999 3.8L Supercharged V6
Pontiac Bonneville SSEi
1992-1999 3.8L V6 Supercharged
Pontiac Firebird
1993-1997 3.4L V6
Common Questions
What does code P0141 mean on a 1995-2005 Pontiac Sunfire?
P0141 stands for "O2 Sensor Heater Circuit Bank 1 Sensor 2". Malfunction in the downstream O2 sensor heater circuit for Bank 1.
What are the symptoms of P0141 on a Pontiac Sunfire?
Common symptoms of P0141 include: Check Engine Light, Failed emissions.
What causes P0141 on a 1995-2005 Pontiac Sunfire?
Common causes of P0141 include: Faulty sensor heater, Blown fuse, Wiring damage.