Tag: JEEP

Possible causes – Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Faulty Mass Air Flow (MAF) sensor When is the obd code mean? – Fuel injection system does not operate properly.– The amount of mixture ratio compensation is too large. (The mixture ratio is too rich.) Symptoms…

Possible causes – Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Manifold Absolute Pressure (MAP) Sensor When is the obd code mean? – Fuel injection system does not operate properly.– The amount of mixture ratio compensation is not correct Symptoms – Engine Light ON (or Service Engine Soon Warning Light)–…

Possible causes – Faulty fuel injector 1– Fuel Injector 1 harness is open or shorted– Fuel injector 1 circuit poor electrical connection When is the obd code mean? The P0201 is set if the Engine Control Module (ECM) is detects a low or high voltage drop or resistance at the injector 1. Symptoms – Engine…

Possible causes – Faulty fuel injector 2– Fuel Injector 2 harness is open or shorted– Fuel injector 2 circuit poor electrical connection When is the obd code mean? The P0202 is set if the Engine Control Module (ECM) is detects a low or high voltage drop or resistance at the injector 2. Symptoms – Engine…

Possible causes – Faulty fuel injector 3– Fuel Injector 3 harness is open or shorted– Fuel injector 3 circuit poor electrical connection When is the obd code mean? The P0203 is set if the Engine Control Module (ECM) is detects a low or high voltage drop or resistance at the injector 3. Symptoms – Engine…

Possible causes – Faulty fuel injector 4– Fuel Injector 4 harness is open or shorted– Fuel injector 4 circuit poor electrical connection When is the obd code mean? The P0204 is set if the Engine Control Module (ECM) is detects a low or high voltage drop or resistance at the injector 4. Symptoms – Engine…

Possible causes – Faulty fuel injector 5– Fuel Injector 5 harness is open or shorted– Fuel injector 5 circuit poor electrical connection When is the obd code mean? The P0205 is set if the Engine Control Module (ECM) is detects a low or high voltage drop or resistance at the injector 5. Symptoms – Engine…

Possible causes – Faulty Evaporative Emission (EVAP) Purge Solenoid Control– Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted– Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection When is the obd code mean? An improper voltage signal is sent to Engine Control Module (ECM) through the valve. Symptoms – Engine Light…

Possible causes – Faulty Evaporative Emission System (EVAP) Pressure sensor– EVAP purge hose/tube obstruction– Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted– Evaporative Emission System (EVAP) Pressure sensor circuit poor electrical connection When is the obd code mean? An excessively low voltage from the sensor is sent to Engine Control Module (ECM)….

Possible causes – Faulty Exhaust Gas Recirculation (EGR) Solenoid– Exhaust Gas Recirculation (EGR) Solenoid harness is open or shorted– Exhaust Gas Recirculation (EGR) Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0489 JEEP OBD Code Description The Engine Control Module (ECM) does not detect voltage on the…