Grand Cherokee 4WD V6-3.7L (2009)
Engine Oil Pressure: Specifications
At Curb Idle Speed (MIN)*................................................................................................................................................................................25 kPa (4 psi)
@3000 RPM...................................................................................................................................................................................170-758 kPa (25 - 110 psi)
*CAUTION: If pressure is ZERO at curb idle, DO NOT run engine at 3000 rpm.