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Diagnosis Information DME

P0133

02 sensor upstream, dynamic response

Diagnostic conditions
- Oxygen sensor temperature < 570 °C (1,058 °F)
- Oxygen sensing active
- Engine speed 1120 ... 4000 rpm
- Engine load 11 .. 60%
- Secondary air injection off
- No excessive loading of activated charcoal filter
- No other oxygen-sensor faults stored
- No tank leakage or tank vent fault stored

Possible fault causes
- Oxygen sensor upstream faulty (dynamically inert)
- Leak in exhaust system