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Home >> Chevrolet >> 2001 >> Impala V6-3.4L VIN E >> 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 >> BARO
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BARO

The scan tool range is 10 to 105 kPa or 0.00-5.00 volts. The barometric pressure reading is determined from the MAP sensor signal monitored during key up and Wide-open Throttle (WOT) conditions. The barometric pressure is used in order to compensate for altitude differences.
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