Subaru Legacy BN/BS (2015-2019) Service Manual: Front oxygen (a f) sensor

Installation

1. Install the engine coolant temperature sensor, and connect the connector to the engine coolant temperature sensor.NOTE:Use a new gasket.Tightening torque:22 N·m (2.2 kgf-m, 16.2 ft-lb)2. Con ...

Removal

1. Disconnect the ground terminal from battery sensor. NOTE2. Lift up the vehicle.3. Disconnect the connector (A) of the front oxygen (A/F) sensor.4. Remove the clip (B) securing the front oxygen (A/ ...

Other materials:

Removal
Spark plug:Refer to “SPECIFICATION” for spark plug. General Description > SPECIFICATION1. RH SIDE1. Disconnect the ground terminal from battery sensor. NOTE2. Remove the air cleaner element and the air cleaner case (rear). Air Cleaner Element > REMOVAL3. Disconnect the connector from ...