D 100 Pickup L6-225 3.7L (1984)
Manifold Pressure/Vacuum Sensor: Description and Operation
Fig. 3 Switches & sensors location. In-Line 6 cylinder engine
The vacuum transducer is located on the computer and it provides the computer with information on engine vacuum, Fig. 3. It is used to control spark
advance and air fuel ratios. And indicates engine load.
