B4000 SE Cab Plus 4 4WD V6-4.0L SOHC (2001)
Oil Pressure Sender: Testing and Inspection
OIL PRESSURE SENSOR INSPECTION
1. Remove the oil pressure switch.
2. Screw Oil Pressure Gauge SST 49 0187 280 into the oil pressure switch installation hole.
3. Run the engine at 2000 rpm and note the engine readings.
4. If pressure is not within specification (40 - 60 psi, 276 - 413 kPa, 2.8 - 4.2 kgf/cm2), troubleshoot the engine lubrication system.
5. Apply sealant to oil pressure switch threads.
6. Remove SST and install switch.
Tightening torque 20 Nm (2.0 kgf.m, 15 ft. lbs.)