FixVault

Oil Pressure

OIL PRESSURE SPECIFICATIONS

Engine Specification
  4.0L
    At Idle Speed 13 psi (89.6 kPa)
    At 1600 RPM & Higher 37 to 75 psi (255 to 517 kPa)
    Oil Pressure Relief 75 psi (517 kPa)
  4.7L
    Curb Idle 4 psi (25 kPa) minimum
    3000 RPM 25 - 80 psi (170 - 550 kPa)