P0157
O2 Sensor Circuit Low Voltage Bank 2 Sensor 2
1992-1998 BMW 325i E36 2.5L I6 M50 🇨🇦
Moderate SeverityPowertrain
Description
Low voltage from the downstream O2 sensor on Bank 2.
Symptoms
- Check Engine Light
Common Causes
- Faulty sensor
- Short to ground
- Exhaust leak
Diagnostic Steps
- Test voltage
- Check for shorts
Repair Notes
Replace 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
P0157 on Other Vehicles
Common Questions
What does code P0157 mean on a 1992-1998 BMW 325i E36?
P0157 stands for "O2 Sensor Circuit Low Voltage Bank 2 Sensor 2". Low voltage from the downstream O2 sensor on Bank 2.
What are the symptoms of P0157 on a BMW 325i E36?
Common symptoms of P0157 include: Check Engine Light.
What causes P0157 on a 1992-1998 BMW 325i E36?
Common causes of P0157 include: Faulty sensor, Short to ground, Exhaust leak.