DTC P0138 Daewoo
HO2S-12 (Bank 1 Sensor 2) Circuit High Input
HO2S-12 (Bank 1 Sensor 2) Circuit High Input
Description
DTC P0106-P0108, P0117-P0118, P0121-P0123, P0201-P0204, P0171, P0172, P0201-P0204, P0300, P0336, P0337, P0351, P0352, P0402-P0406, P0506, P0507, P1404, P1441 and P1627 not set, ECT sensor over 140ºF, engine running in closed loop, A F ratio from 14.5-14.8
Cause and Solution
Fuel control system too rich (pressure regulator, injector leaks)
HO2S element is plugged, water or fuel contaminated
HO2S is damaged or has failed
Video Guide
Diagnostic Info
- DTC Code: P0138
- Brand: Daewoo