P0133

P0133

Diagnosis information - DME (DFI)

Oxygen sensor ahead of cat. converter, bank 1, dynamic response

Diagnostic conditions
- Engine running more than 2 minutes
- Engine speed 1,184 ... 3,200 rpm
- Mass air flow 165 ... 600 mg/Stroke
- All 4 oxygen sensors ready for operation
- No overrun fuel shutoff

Possible fault causes
- Oxygen sensor ahead of catalytic converter, bank 1 faulty (old)