Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection

Subaru Legacy BN/BS (2015-2019) Service Manual / Intake (induction)(h4do) / Air cleaner element / Inspection

1. Check that the air cleaner element has no deformation, cracks or other damages.

2. Check the air cleaner element for excessive dirt.

3. Replace the air cleaner case (rear) if the HC absorption filter is damaged.

Removal

1. Disconnect the ground terminal from battery sensor. NOTE2. Remove the air intake duct. Air Intake Duct > REMOVAL3. Disconnect the connector (A) from the mass air flow and intake air temperature s ...

Installation

1. Set the air cleaner element and the air cleaner case (rear).CAUTION:Be sure to use SUBARU genuine air cleaner element depending on the engine type when replacing the air cleaner elements. Using oth ...

Other materials:

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NOTE:For the diagnostic procedure, refer to DTC P013A. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P013A O2 SENSOR SLOW RESPONSE - RICH TO LEAN BANK 1 SENSOR 21. OUTLINE OF DIAGNOSISDetect the delayed response of rear oxygen sensor output for lean > rich.After the deceleration fue ...