DTC P0139 O2 Sensor Circuit Slow Response (Bank 1 Sensor 2): DTC Detecting Condition

Two consecutive driving cycles with fault
GENERAL DESCRIPTION Refer to DTC P0139 O2 SENSOR CIRCUIT SLOW RESPONSE (BANK 1 SENSOR 2) , Diagnostic Trouble Code (DTC) Detecting Criteria.

CAUTION: After repair or replacement of faulty parts, perform Clear Memory Mode. Refer to OPERATION or PROCEDURE .