P0175
System Too Rich Bank 2
1992-1998 BMW 325i E36 2.5L I6 M50
High SeverityPowertrainGeneric (SAE)
Description
The long-term fuel trim for Bank 2 has exceeded the negative limit, indicating rich running on Bank 2.
Symptoms
- Check Engine Light
- Black smoke
- Poor fuel economy
- Rich exhaust smell
Common Causes
- Leaking injector Bank 2
- High fuel pressure
- Faulty O2 sensor Bank 2
- EVAP issue
Diagnostic Steps
- Check fuel trim Bank 2
- Test injectors Bank 2
- Test fuel pressure
- Check O2 sensor Bank 2
Repair Notes
Same diagnostic approach as P0172 but focused on Bank 2.
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
P0175 on Other Vehicles
Common Questions
What does code P0175 mean on a 1992-1998 BMW 325i E36?
P0175 stands for "System Too Rich Bank 2". The long-term fuel trim for Bank 2 has exceeded the negative limit, indicating rich running on Bank 2.
What are the symptoms of P0175 on a BMW 325i E36?
Common symptoms of P0175 include: Check Engine Light, Black smoke, Poor fuel economy, Rich exhaust smell.
What causes P0175 on a 1992-1998 BMW 325i E36?
Common causes of P0175 include: Leaking injector Bank 2, High fuel pressure, Faulty O2 sensor Bank 2, EVAP issue.