P1128 CHRYSLER Closed Loop Fueling Not Achieved Bank 1

Possible causes – Fuel delivery system– Manifold Absolute Pressure (MAP) sensor or wiring connectors– O2 sensor wiring or connectors– Engine mechanical system– Faulty Powertrain Control Module (PCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1128 CHRYSLER OBD Code Description The Powertrain Control Module (PCM) detects a condition where the vehicle has…