K 10 1/2 Ton Pickup 4WD L6-250 4.1L VIN D 2-bbl (1983)
Manifold Pressure/Vacuum Sensor: Service and Repair
Computer Command Control (C3) System
1.
Disconnect vacuum hose and electrical connector from sensor.
2.
Remove sensor retaining bolt and the sensor.
3.
Reverse procedure to install.