Grand Marquis V8-4.6L (2008)
Fuel Pressure: Specifications
Item.....................................................................................................................................................................................................................Specification
Fuel Pressure
Engine running...................................................................................................................................................................................170-280 kPa (25-40 psi)
Hot restart...........................................................................................................................................................................................448-482 kPa (65-70 psi)
Key ON, engine OFF..........................................................................................................................................................................140-415 kPa (20-60 psi)