3500 4x2 Pickup L6-359 5.9L DSL Turbo (1994)
Oil Pressure Sender: Testing and Inspection
When diagnosing problems check for loose or corroded connections and for broken wires.
Remove the pressure switch, install a gauge, start the engine and measure oil pressure. Minimum oil pressure:
Idle
69 kPa [10 psi]
Rated Speed
207 kPa [30 psi]
NOTE: The pressure switch is set to actuate when oil pressure drops to 55 kPa [8 PSI]. The pressure switch will activate a Low Pressure Warning Light
on the dash of the truck.
