Diesel Data: Automotive Repair

California

Oxygen Sensor:






OXYGEN SENSOR (O2S) REPLACEMENT

Remove or Disconnect

1. Negative (-) battery cable.

2. O2S electrical connector.

3. Two nuts and 02S from vehicle.

Install or Connect

1. O2S to vehicle; secure with two nuts.

Tighten

^ O2S nuts to 41 Nm (30 lb.ft).

2. O2S electrical connector.

3. Negative (-) battery cable.

Tighten

^ Negative (-) battery cable-to-negative (-) battery terminal retainer to 15 Nm (11 lb.ft).