2000 Porsche Boxster (986) F6-2.7L A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 96

02 Sensor Circuit Slow Response

Diagnostic conditions

- Air mass between 25 kg/h and 120 kg/h

- Oxygen sensing after catalytic converter is active

- Basic adaptation has reached steady condition

- No secondary air diagnosis

- No fuel tank ventilation diagnosis

- EVAP canister not highly loaded

- No other oxygen sensor faults

Possible cause of fault

- Oxygen sensor faulty

Diagnosis/troubleshooting

NOTE: Do not use contact spray on the oxygen sensor plug connections as this may cause irreparable damage to the wiring (contamination of the

oxygen sensor via the reference air channel).

P0137

02 Sensor Circuit Low Voltage

PORSCHE