1080B96 LEFT REAR LAMBDA SENSOR ON CATALYTIC CONVERTER R R - Alfa - 147 - eLearn

3024988 - 1080B96 left rear lambda sensor on catalytic converter r r

) Place the car on the ramp.Ensure that the ignition key is in the OFF position, then disconnect the negative battery terminal (-).

	Name	Connector
-	Battery	A1B

1. Open the electrical connections box cover.2. Remove the connections and disconnect the electrical connection for the left rear Lambda sensor for the catalytic converter.

	Name	Connector
2	Lambda sensor downstream of post-catalyzer	K17

Release the electrical wiring for the left rear Lambda sensor for the catalytic converter from the fastenings in the engine bay.

Proceed with removal - 7055B54 under-engine guard - r r .1. Release the electrical wiring for the left rear Lambda sensor for the catalytic converter from the underbody fastenings.

1. Undo the left rear Lambda sensor from the catalytic converter using a suitable spanner and remove it.

Refitting ( Removing

) 1. Place the left rear Lambda sensor for the catalytic converter back in its housing and tighten it to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
1	-	LAMBDA SENSOR BEHIND LEFT CONVERTER	M18	(Catalytic converter assembly side) 4.1 ÷ 5.0

Secure the electrical wiring for the left rear Lambda sensor for the catalytic converter to the underbody fastenings.Proceed with refitting - 7055B54 under-engine guard - r r .Secure the electrical wiring for the left rear Lambda sensor for the catalytic converter to the engine bay fastenings.Connect the electrical connection for the left rear Lambda sensor for the catalytic converter.Refit the electrical connections, then close the electrical connections box cover.Connect the negative (-) battery terminal.Remove the car from the ramps.