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Home >> Pontiac >> 2001 >> Firebird V6-3.8L VIN K >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data Definitions - Powertrain Systems >> BARO
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BARO

The scan tool displays 10-105 kPa (0-5 volts). The Barometric Pressure (BARO) reading is determined from the Manifold Absolute Pressure (MAP) sensor signal monitored during key up and Wide-Open Throttle (WOT) conditions. The BARO is used in order to adjust the fuel delivery, and to spark advance in order to compensate for altitude changes.
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