P0137
O2 Sensor Circuit Low Voltage Bank 1 Sensor 2
1995-1999 BMW 318ti E36 1.9L I4 🇨🇦
Moderate SeverityPowertrain
Description
The downstream O2 sensor on Bank 1 is reading low voltage consistently.
Symptoms
- Check Engine Light
- Failed emissions
Common Causes
- Faulty sensor
- Exhaust leak after cat
- Wiring short to ground
Diagnostic Steps
- Test sensor voltage
- Check for exhaust leaks
- Inspect wiring
Repair Notes
Replace sensor or repair leak.
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
P0137 on Other Vehicles
Common Questions
What does code P0137 mean on a 1995-1999 BMW 318ti E36?
P0137 stands for "O2 Sensor Circuit Low Voltage Bank 1 Sensor 2". The downstream O2 sensor on Bank 1 is reading low voltage consistently.
What are the symptoms of P0137 on a BMW 318ti E36?
Common symptoms of P0137 include: Check Engine Light, Failed emissions.
What causes P0137 on a 1995-1999 BMW 318ti E36?
Common causes of P0137 include: Faulty sensor, Exhaust leak after cat, Wiring short to ground.