Possible causes – Faulty fuel injector 5– Fuel Injector 5 harness is open or shorted– Fuel injector 5 circuit poor electrical connection When is the code detected? The P0205 is set if the Engine Control Module (ECM) is detects a

Possible causes – Faulty fuel injector 6– Fuel Injector 6 harness is open or shorted– Fuel injector 6 circuit poor electrical connection When is the code detected? The P0206 is set if the Engine Control Module (ECM) is detects a

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 code detected? Even though the vehicle is parked, a signal being

Possible causes – Faulty fuel level sensor– Fuel level sensor harness is open or shorted– Fuel level sensor circuit poor electrical connection Tech notes Low fuel level can trigger this code. Before replacing any parts try filling up the fuel

Possible causes – Faulty fuel level sensor– Fuel level sensor harness is open or shorted– Fuel level sensor circuit poor electrical connection When is the code detected? An excessively high voltage is sent from the sensor is sent to Engine

Possible causes – Faulty fuel level sensor– Fuel level sensor harness is open or shorted– Fuel level sensor circuit poor electrical connection When is the code detected? The output signal of the fuel level sensor does not change within the

Possible causes – Faulty Fuel Lift Pump– Fuel Lift Pump harness is open or shorted– Fuel Lift Pump circuit poor electrical connection Tech notes Usually the solution to the problem is the fuel lift pump When is the code detected?

Possible causes – Faulty Fuel Lift Pump– Fuel Lift Pump harness is open or shorted– Fuel Lift Pump circuit poor electrical connection When is the code detected? The commanded signal to the fuel lift pump does not match the feedback

Possible causes – Faulty fuel pressure solenoid– Fuel pressure solenoid harness is open or shorted– Fuel pressure solenoid electrical circuit poor connection When is the code detected? The Engine Control Module (ECM) has detected excessive current in Fuel Quantity Solenoid

Possible causes – Faulty fuel pressure solenoid– Fuel pressure solenoid harness is open or shorted– Fuel pressure solenoid electrical circuit poor connection– Faulty Engine Control Module (ECM) When is the code detected? The Engine Control Module (ECM) has detected an

Possible causes – Faulty fuel pressure solenoid– Fuel pressure solenoid harness is open or shorted– Fuel pressure solenoid electrical circuit poor connection– Faulty Engine Control Module (ECM) When is the code detected? The Engine Control Module (ECM) has detected an

Possible causes – Faulty fuel pressure solenoid– Fuel pressure solenoid harness is open or shorted– Fuel pressure solenoid electrical circuit poor connection– Faulty Engine Control Module (ECM) When is the code detected? The Engine Control Module (ECM) has determined that

Possible causes – Faulty fuel pump relay– Fuel pump harness is open or shorted– Fuel pump circuit poor electrical connection– Faulty fuel pump control module (if applicable) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0627 JEEP

Possible causes – Faulty fuel pump– Blocked fuel filter– Faulty fuel pressure sensor– Fuel pressure sensor harness is open or shorted– Fuel pressure sensor electrical circuit poor connection– Faulty Fuel injector When is the code detected? The Engine Control Module

Possible causes – Faulty fuel pump– Blocked fuel filter– Faulty fuel pressure sensor– Fuel pressure sensor harness is open or shorted– Fuel pressure sensor electrical circuit poor connection– Faulty Fuel injector When is the code detected? The Engine Control Module

Possible causes – Faulty Fuel Quantity Solenoid– Fuel Quantity Solenoid harness is open or shorted– Fuel Quantity Solenoid circuit poor electrical connection When is the code detected? The Engine Control Module (ECM) has detected a short to ground condition on

Possible causes – Faulty Fuel Quantity Solenoid– Fuel Quantity Solenoid harness is open or shorted– Fuel Quantity Solenoid circuit poor electrical connection When is the code detected? The Engine Control Module (ECM) has detected an excessive current condition on the

Possible causes – Faulty Fuel Quantity Solenoid– Fuel Quantity Solenoid harness is open or shorted– Fuel Quantity Solenoid circuit poor electrical connection When is the code detected? The Engine Control Module (ECM) has detected an open or excessive current on

Possible causes – Faulty Fuel Quantity Solenoid– Fuel Quantity Solenoid harness is open or shorted– Fuel Quantity Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Faulty 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 code detected? A high voltage signal from