P1138 Peugeot HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2
Possible causes
– Vacuum leak on engine
– Faulty Failed Mass Air Flow (MAF)
– Faulty HO2S
– HO2S harness is open or shorted
– HO2S circuit poor electrical connection
– Faulty Failed Mass Air Flow (MAF)
– Faulty HO2S
– HO2S harness is open or shorted
– HO2S circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Peugeot Vehicle:Peugeot 107,Peugeot 208,Peugeot 408,Peugeot 508,Peugeot RCZ,Peugeot 4007,Peugeot Expert Tepee