Sprinter 3500 L5-2.7L DSL Turbo (2004)
Fuel Pressure Test At High Pressure Pump
4. Turn the ignition to the on position and observe the fuel gauge reading
Fuel Pressure Test At Filter
If the fuel pressure is within specification, reconnect the fuel line to the high pressure pump and continue with the diagnostics. If the fuel pressure is
below specification, disconnect the low pressure fuel pump input line to the fuel filter and re-test following the steps above
If the fuel pressure is below specification, replace the fuel pump. If the fuel pressure is equal to the specification, replace the fuel filter.
FUEL PRESSURE SPECIFICATIONS
Suction Pressure ......................................................................................................................................................................................... 7.25 psi (0.5 bar)
Delivery Pressure .......................................................................................................................................................................................... 65 psi (4.5 bar)
Maximum Fuel Delivery .................................................................................................................................................... 53 gallons/hour (200 liters/hour)
