What PSI should a high pressure fuel pump be?
What PSI should a high pressure fuel pump be? The high-pressure pump compresses the fuel up to 350 bar (5076 psi), depending on the load and speed of the engine. The fuel is stored in the fuel rail and sprayed into the combustion chamber through electrically operated high-pressure fuel injectors. How do I know if my high pressure fuel pump is bad? Symptoms of a high-pressure fuel pump failure are:Delayed start of the engine.Hesitation or sputtering in acceleration between 2000 RPM to 4000 RPM.High engine temperatures.Vehicle stalling due to exertion or temperature.Fuel pressure gauge reading low measurements.Poor gas mileage. What...