DTC P0133 O2 Sensor Circuit Slow Response (Bank 1 Sensor 1): DTC Detecting Condition

WARNING: This page is about a different car, the 2007 Subaru Outback. However, it is still accessible from the selected car via links, so may be relevant.

Detected when two consecutive driving cycles with fault occur.
GENERAL DESCRIPTION <Ref. to DTC P0133 O2 SENSOR CIRCUIT SLOW RESPONSE (BANK 1 SENSOR 1) , Diagnostic Trouble Code (DTC) Detecting Criteria.>

CAUTION: After repair or replacement of faulty parts, perform Clear Memory Mode <Ref. to OPERATION , Clear Memory Mode.> and Inspection Mode <Ref. to PROCEDURE , Inspection Mode.>.