Tag: P1129

P1129 CHRYSLER Closed Loop Fueling Not Achieved Bank 2

Possible causes – Fuel delivery system– Engine Coolant Temperature (ECT) sensor or wiring connectors– MAP sensor or wiring connectors– O2 sensor wiring or connectors– Engine mechanical system Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1129 CHRYSLER OBD Code Description The Powertrain Control Module (PCM) detects a condition where the vehicle has…

P1129 AUDI Long Term Fuel Trim B2 System Too Rich

Possible causes – Faulty Mass Air Flow (MAF) sensor– High fuel pressure– Canister purge solenoid stuck open– Faulty HO2S bank 1 Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1129 ACURA Manifold Absolute Pressure Sensor Circuit Higher Than Expected

Possible causes – Faulty Manifold Absolute Pressure Sensor– Manifold Absolute Pressure Sensor harness is open or shorted– Manifold Absolute Pressure Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine hard to start– Rough or erratic idle speed P1129 ACURA OBD Code Description The Manifold