P1138 ISUZU – HO2S 2 Voltage Stays High Rich Condition

P1138 ISUZU Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1138 ISUZU Possible Causes

Leaking injector or regulator,Engine ignition misfire,Engine mechanical condition,Faulty HO2S,HO2S Sensor 2 harness is open or shorted,HO2S Sensor 2 circuit poor electrical connection

P1138 ISUZU Description

HO2S 2 Voltage Stays High Rich Condition is the generic description for the P1138 Isuzu code, but the manufacturer may have a different description. Currently we have no further information abouth the P1138 Isuzu OBDII code.