buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

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Absolute Pressure Sensor <--> [Barometric Pressure Sensor]|Specifications|Page 236 > < Absolute Pressure Sensor <--> [Barometric Pressure Sensor]|Specifications|Page 234

Skylark V6-173 2.8L VIN X 2-bbl (1984)

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Absolute 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.

Absolute Pressure Sensor <--> [Barometric Pressure Sensor]|Specifications|Page 236 > < Absolute Pressure Sensor <--> [Barometric Pressure Sensor]|Specifications|Page 234