DTC P015B: A/F/O2 Sensor Delayed Response - Lean To Rich Bank 1 Sensor 1

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

For the diagnostic procedure, refer to DTC P014C. Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>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. Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC P015A A/F/O2 SENSOR DELAYED RESPONSE - RICH TO LEAN BANK 1 SENSOR 1