FixVault
Home
›
Kia
›
2017
›
Optima Plug-In Hybrid EX
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Control System Diagnosis (1 Of 3) (PHEV)
›
DTC P0139-00: O2 Sensor Circuit Slow Response
›
ETM
DTC P0139-00: O2 Sensor Circuit Slow Response: ETM
For wiring diagram information, refer to appropriate SYSTEM WIRING DIAGRAMS article.