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…
Tag: JEEP
P0154 JEEP O2 Sensor 2/1 Circuit Open
Possible causes – Faulty Front Heated Oxygen Sensor Bank 2– 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– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Front Heated Oxygen Sensor Bank…
P0153 JEEP O2 sensor 2/1 Slow Response
Possible causes – Faulty Front Heated Oxygen Sensor Bank 2– 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– Intake air leaks– Exhaust gas leaks Tech description Replacing the Front Heated Oxygen Sensor Bank 2 usually takes…
P0152 JEEP O2 sensor 2/1 Circuit High
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…
P0172 JEEP Fuel System 1/1 Lean Fuel System 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.)…
P0175 JEEP Fuel System 2/1 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…
P0173 JEEP Fuel System 2/1 Rich Control Over Limit
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)–…
P0452 JEEP EVAP Pressure Switch Stuck Closed
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)….
P0489 JEEP Exhaust Gas Recirculation Throttle Control Circuit A Circuit Low
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…
P0490 JEEP Exhaust Gas Recirculation Throttle Control Circuit A Circuit High
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) P0490 JEEP OBD Code Description The Engine Control Module (ECM) does not detect voltage on the…