P0177
Fuel Composition Sensor Circuit Range/Performance
1999-2000 BMW 323i E46 2.5L I6
Low SeverityPowertrainGeneric (SAE)
Description
The fuel composition sensor reading is outside expected range.
Symptoms
- Check Engine Light
- Incorrect fueling
Common Causes
- Contaminated sensor
- Sensor calibration issue
- Mixed fuel types
Diagnostic Steps
- Compare sensor reading to known fuel type
- Test sensor output range
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
P0177 on Other Vehicles
Common Questions
What does code P0177 mean on a 1999-2000 BMW 323i E46?
P0177 stands for "Fuel Composition Sensor Circuit Range/Performance". The fuel composition sensor reading is outside expected range.
What are the symptoms of P0177 on a BMW 323i E46?
Common symptoms of P0177 include: Check Engine Light, Incorrect fueling.
What causes P0177 on a 1999-2000 BMW 323i E46?
Common causes of P0177 include: Contaminated sensor, Sensor calibration issue, Mixed fuel types.