LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Kia
>>
2016
>>
Optima Hybrid
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Control System Diagnosis (1 Of 3) (HEV)
>>
DTC P0139: O2 Sensor Circuit Slow Response(Bank 1/Sensor 2)
>>
Component Location
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Component Location
Fig 1: Locating HO2S (S2) Components
Courtesy of KIA MOTORS AMERICA, INC.