DTC P0141: Heated Oxygen Sensor Circuit (Sensor No. 2): Notes

CAUTION: If ECM replacement is instructed in following testing, always ensure ECM connectors and ground circuit are okay. If either are suspect, repair and repeat testing to confirm ECM malfunction.

NOTE: Sensor No. 1 refers to sensor located in exhaust manifold. Sensor No. 2 refers to sensor located behind catalytic converter.