O2 Sensor Circuit High Voltage Bank 1 Sensor 1
1995-2005 Pontiac Sunfire 2.2L I4
Description
The upstream O2 sensor voltage on Bank 1 is staying above 0.45V, indicating a rich condition or sensor fault.
Symptoms
- Check Engine Light
- Rich running
- Black exhaust smoke
- Poor fuel economy
Common Causes
- Faulty O2 sensor
- Leaking fuel injector
- High fuel pressure
- EVAP purge valve stuck open
Diagnostic Steps
- Monitor O2 sensor voltage
- Test fuel pressure
- Check for leaking injectors
- Inspect EVAP purge valve
Repair Notes
Replace O2 sensor or fix rich-running cause.
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
P0132 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 P0132 mean on a 1995-2005 Pontiac Sunfire?
P0132 stands for "O2 Sensor Circuit High Voltage Bank 1 Sensor 1". The upstream O2 sensor voltage on Bank 1 is staying above 0.45V, indicating a rich condition or sensor fault.
What are the symptoms of P0132 on a Pontiac Sunfire?
Common symptoms of P0132 include: Check Engine Light, Rich running, Black exhaust smoke, Poor fuel economy.
What causes P0132 on a 1995-2005 Pontiac Sunfire?
Common causes of P0132 include: Faulty O2 sensor, Leaking fuel injector, High fuel pressure, EVAP purge valve stuck open.