Tag: JEEP

Possible causes – Faulty Fuel Level Sensor– Fuel Level Sensor harness is open or shorted– Fuel Level Sensor circuit poor electrical connection – Faulty combination meter When is the obd code mean? Even though the vehicle is parked, a signal being varied is sent from the fuel level sensor to Engine Control Module (ECM). Symptoms…

Possible causes – Faulty fuel level sensor– Fuel level sensor harness is open or shorted– Fuel level sensor circuit poor electrical connection Tech description Low fuel level can trigger this code. Before replacing any parts try filling up the fuel tank and erasing the engine code. If the problem persist it may be necessary to…

Possible causes – Faulty fuel level sensor– Fuel level sensor harness is open or shorted– Fuel level sensor circuit poor electrical connection When is the obd code mean? An excessively high voltage is sent from the sensor is sent to Engine Control Module (ECM). Symptoms – Engine Light ON (or Service Engine Soon Warning Light)–…

Possible causes – Faulty fuel level sensor– Fuel level sensor harness is open or shorted– Fuel level sensor circuit poor electrical connection When is the obd code mean? The output signal of the fuel level sensor does not change within the specified range even though the vehicle has been driven a long distance. Symptoms –…

Possible causes – Faulty Fuel Lift Pump– Fuel Lift Pump harness is open or shorted– Fuel Lift Pump circuit poor electrical connection Tech description Usually the solution to the problem is the fuel lift pump When is the obd code mean? – Engine Light ON (or Service Engine Soon Warning Light) P0628 JEEP OBD Code…

Possible causes – Faulty Fuel Lift Pump– Fuel Lift Pump harness is open or shorted– Fuel Lift Pump circuit poor electrical connection When is the obd code mean? The commanded signal to the fuel lift pump does not match the feedback signal Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0629 JEEP…

Possible causes – Faulty Front Heated Oxygen Sensor Bank 2– Intake air leaks may be faulty– Exhaust gas leaks– Front Heated Oxygen Sensor Bank 2 harness is open or shorted– Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors Tech description Replacing the Front Heated Oxygen Sensor Bank…

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.)…

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)–…