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/ ...

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Basic diagnostic procedure procedure
STEPCHECKYESNO1.PERFORM CUSTOMER INTERVIEW.Using the Check List for Interview, ask the customer the condition of how trouble occurs.Did you interview the customer- Basic Diagnostic Procedure > PROCEDUREInterview the customer. Check List for Interview > CHECK2.CHECK SUBARU SELECT MONITOR COMMUNICATI ...