The Function of the fuel pump is to supply fuel at a certain pressure to the engine fuel injection system. However,the fuel pump have a limited life.If you notice any of the following signs with your car: (1).Engine Sputtering at High Speeds (2).Decreased Fuel Pressure (3).Losing Power when the Vehicle is under Stress (4).Inability to accelerate (5).Decreasing Gas Mileage (6).Engine Not Starting This may indicate that you need to replace the fuel pump Fitment Vehicle: 2003-2008 Infiniti G35 Sedan 2003-2007 Infiniti G35 Coupe 2006-2008 Infiniti M35/M45 .
