Oil Pump: Description and Operation

OIL PUMP PRESSURE
The MINIMUM oil pump pressure is 41.4 kPa (6 psi) at curb idle. The NORMAL oil pump pressure is 207 - 552 kPa (30 - 80 psi) at 3,000 RPM or more.

CAUTION: If oil pressure is ZERO at curb idle, DO NOT run engine.