Operation CHARM: Car repair manuals for everyone.

P0139

DTC P0139 O2 SENSOR CIRCUIT SLOW RESPONSE (BANK 1 SENSOR 2)

DTC DETECTING CONDITION:
- Two consecutive driving cycles with fault
- GENERAL DESCRIPTION

CAUTION: After repair or replacement of faulty parts, conduct Clear Memory Mode and Inspection Mode.

Wiring Diagram:






Step 1 - 4: