OBD codes / P0175

P0175

Moderate

System Too Rich (Bank 2)

Get it looked at soon to avoid further wear.

Likely causes

  • leaking injector
  • high fuel pressure
  • faulty O2 sensor

Common fixes

  • check fuel pressure and injectors
  • replace the bank 2 O2 sensor if faulty

Seeing P0175 on your car? Get a diagnosis specific to your exact year, make and model.

Diagnose P0175 for my vehicle

Generic OBD-II reference. Manufacturer-specific behavior varies — confirm with a scan tool and, for safety-related codes, a professional inspection.