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Barometric Pressure Sensor|Description and Operation|Page 1273 > < Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor]|Specifications

Electra V8-307 5.0L (1982)

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Barometric Pressure Sensor: Description and Operation

Sensor--normally used in combination with the MAP sensor--sends a varying voltage to the ECM representing barometric pressure--typically 3.0
to 4.5 volts. 
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Voltage increases as altitude increases--barometric pressure decreases.

Barometric Pressure Sensor|Description and Operation|Page 1273 > < Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor]|Specifications