P1E09 FIAT – Closed Loop Fueling Not Achieved Bank 1 Downstream

P1E09 FIAT Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1E09 FIAT Possible Causes

Fuel delivery system,Faulty Engine Coolant Temperature (ECT) Sensor,Faulty Manifold Absolute Pressure (MAP) Sensor,Faulty Oxygen (O2) Sensor,Engine mechanical problem,Faulty Powertrain Control Module (PCM)

P1E09 FIAT Description

The Powertrain Control Module (PCM) monitors the Oxygen (O2) Sensor. The PCM sets the OBDII code when the Oxygen (O2) Sensor is not to factory specifications.