P1137 MAZDA – Rear O2 Sensor Self Test Fault

P1137 MAZDA Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1137 MAZDA Possible Causes

Faulty Rear O2 Sensor,Rear O2 Sensor harness is open or shorted,Rear O2 Sensor circuit poor electrical connection

P1137 MAZDA Description

Rear O2 Sensor Self Test Fault is the generic description for the P1137 Mazda code, but the manufacturer may have a different description. Currently we have no further information abouth the P1137 Mazda OBDII code.