5.20. Check of the forward and back warmed oxygen sensors

PERFORMANCE ORDER
1. Switch off ignition.
2. Disconnect the oxygen sensor socket.
3. Connect an ohmmeter between contacts 3 and 4 and measure resistance.

Resistance: 6 Ohms at 20 °C

4. Otherwise, replace the oxygen sensor.

Inhaling moment: 30–49 N • m

5. Connect the socket to the oxygen sensor.

Removal

PERFORMANCE ORDER
1. Disconnect the socket from the warmed oxygen sensor.
2. A special key turn out the sensor and remove it and a washer.

Installation

PERFORMANCE ORDER
1. Screw the oxygen sensor with a washer.

Inhaling moment: 30–49 N • m

2. Connect the socket to the oxygen sensor.