Subaru Outback (BR): Specifications

 Air Breather Hose

A: REMOVAL 1) Remove the air intake boot assembly. <Ref. to IN(H4SO)-8, REMOVAL, Air Intake Boot.> 2) Remove the two air breather hoses. 3) Remove the oil cap. B: INSTALLATION Install in the reverse order of removal. NOTE: Use new O-rings. C: INSPECTION Check the hose for peeling, crack

 DTC P0171, P0172, P0181, P0182, P0183, P0196, P0197, P0198, P0201, P0202, P0203, P0204, P0222, P0223, P0301, P0302, P0303, P0304

AR:DTC P0171 SYSTEM TOO LEAN (BANK 1) 1. OUTLINE OF DIAGNOSIS Detect fuel system malfunction by the amount of main feedback control. Diagnostic method Fuel system is diagnosed by comparing the target air fuel ratio calculated by ECM with the actual air fuel ratio measured by sensor. 2. ENABLE CONDI