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:

Precautions against vehicle modification
WARNING  To avoid accidental activation of the system or rendering the system inoperative, which may result in serious injury, no modifications should be made to any components or wiring of the SRS airbag system. This includes the following modifications. ...