RAM 2500 Truck 4WD L6-5.9L DSL Turbo VIN 6 (1999)
Fuel Pressure: Specifications
Fuel Transfer (Lift) Pump Pressure
Engine running ........................................................................................................................................................................ 69 kPa (10 psi) Minimum
Engine cranking ................................................................................................................................................................... 48 kPa (5 - 7 psi) Minimum
Fuel Injector "Pop Off" Pressure
Using injector tester ............................................................................................................................................................. 31,026 kPa (4500 ± 250 psi)
Fuel Injector Leak-Down Pressure ........................................................................................ Approximately 20 bars (291 psi) lower than pop pressure.
Fuel Pressure Drop
Across fuel filter test ports (at 2500 rpm)................................................................................................................................... 35 kPa (5 psi) maximum
Overflow Valve Release Pressure
At 2500 rpm .............................................................................................................................................................................................. 97 kPa (14 psi)
