P0175high severityPowertrain
System Too Rich Bank 2
on 2007 Mini Cooper 1.6L I4 · FWD
What this code means
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.
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Other Powertrain codes on this vehicle
29CC
Misfire Cylinder 1
29CD
Misfire Cylinder 2
29CE
Misfire Cylinder 3
29CF
Misfire Cylinder 4
29D0
Misfire Cylinder 5
29D1
Misfire Cylinder 6
29D2
Misfire Cylinder 7
29E0
Lambda Additive/Idle Adaptation Limit, Bank 1
29E1
Lambda Additive/Idle Adaptation Limit, Bank 2
29E2
Lambda Multiplicative Part-Load Adaptation Limit, Bank 1