Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech description Dirty air filter, air filter housing or Mass Air Flow (MAF) sensor, or faulty MAF…
Tag: CHRYSLER
P0174 CHRYSLER Fuel System 2/1 Lean
Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech description If the P0171 is combined with the P0174 code, it’s very likely that the problem…
P0171 CHRYSLER Fuel System 1/1 Lean
Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech description If the P0171 is combined with the P0174 code, it’s very likely that the problem…
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…
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…
P0200 CHRYSLER Fuel Injector Circuit
Possible causes – Fuel Injector harness is open or shorted– Fuel injector circuit poor electrical connection– Faulty fuel injector– Faulty Engine Control Module (ECM) When is the obd code mean? The P0200 is set if the Engine Control Module (ECM) is detects a low or high voltage drop or resistance at the injectors. Symptoms –…
P0093 CHRYSLER Fuel Rail Pressure Malfunction Positive Pressure Deviation
Possible causes – Fuel Quantity Solenoid harness is open or shorted– Fuel Quantity Solenoid electrical circuit poor connection– Faulty Fuel Quantity Solenoid When is the obd code mean? The Engine Control Module (ECM) has determined that the actual fuel pressure is above the indicated fuel pressure specifications. Symptoms – Engine Light ON (or Service Engine…
P0451 CHRYSLER Fuel Tank Pressure Sensor Range/Performance
Possible causes – Fuel Tank Pressure Sensor– Fuel Tank Pressure sensor harness is open or shorted– Fuel Tank Pressure sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? An improper voltage signal from the fuel tank pressure sensor is sent to Engine Control Module (ECM). Symptoms – Engine…
P0052 CHRYSLER O2 Sensor 2/1 Heater Circuit High
Possible causes – Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical connection– Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit fuse– Faulty Engine Control Module (ECM) When is…
P1144 CHRYSLER Fuel Rail Pressure Malfunction Positive Volume Deviation
Possible causes – Incorrect fuel pressure– Faulty fuel pressure solenoid– Air in fuel system When is the obd code mean? The ECM has determined that the fuel rail pressure is too high for a specific condition Symptoms – Engine Light ON (or Service Engine Soon Warning Light)