Subaru Crosstrek Service Manual: Dtc p015b a/f / o2 sensor delayed response - lean to rich bank 1 sensor 1

NOTE:

For the diagnostic procedure, refer to DTC P014C. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P014C A/F / O2 SENSOR SLOW RESPONSE - RICH TO LEAN BANK 1 SENSOR 1">

For the detection standard, refer to DTC P015A. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P015A A/F / O2 SENSOR DELAYED RESPONSE - RICH TO LEAN BANK 1 SENSOR 1">

Dtc p015a a/f / o2 sensor delayed response - rich to lean bank 1 sensor 1

Dtc p0171 system too lean bank 1

Other materials:

Removal
AIRBAG SYSTEM > Curtain Airbag ModuleREMOVAL1. CROSSTREK MODELCAUTION:Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION">1. Turn the ignition switch to OFF.2. ...

Removal
EXTERIOR/INTERIOR TRIM > Door TrimREMOVAL1. FRONT DOOR1. Disconnect the ground cable from battery. NOTE">2. Remove the trim panel - front door.(1) Attach the protective tape (a).(2) Open the cover and remove the screw.(3) Remove the clips, and remove the trim panel - front door from the ...

Ignition timing Inspection
MECHANICAL(H4DO) > Ignition TimingINSPECTIONCAUTION:After warming-up, engine becomes very hot. Be careful not to burn yourself at measurement.1. Before checking the ignition timing, check the following item:(1) Check the air cleaner element is free from clogging, spark plugs are in good condition ...