A Fuel Pressure Gauge is used to measure the pressure of fuel. It is used to diagnose problems with the fuel pump, fuel filter, or fuel injectors. It is liquid-filled, which helps to dampen the needle movement and provide a more accurate reading.Attributes: • Detect problems and improve engine performance• Manufactured to precise specifications and are built for durability and reliabilityApplications:A Fuel Pressure Gauge is used to indicate if the fuel pressure is too high or too low.