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Home >> Chevrolet >> 2000 >> Cavalier L4-2.2L VIN 4 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> Calc. Vacuum
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Calc. Vacuum

Range 0-80 kPa/Psi
The display shows the calculated vacuum which is an indication of engine load. The calculated vacuum is the difference between the BARO reading and the MAP sensor reading. The lower the Calc. Vacuum value, the higher the engine load.
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