P1131 Peugeot HO2S Circuit Low Variance Bank 1 Sensor 2
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1131 Peugeot Description
A Heated Exhaust Oxygen (HO2S) sensor indicating lean at the end of a test is trying to correct for an over-rich condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.
Peugeot Vehicle:Peugeot 107,Peugeot 208,Peugeot 408,Peugeot 508,Peugeot RCZ,Peugeot 4007,Peugeot Expert Tepee