Operation CHARM
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GMC Truck
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1983
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K 2500 3/4 Ton Pickup 4WD V8-350 5.7L VIN L 4-bbl
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Scan Tool Testing and Procedures
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Test Positions
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BARO-Barometric Pressure
BARO-Barometric Pressure
In this position Baro sensor output voltage is monitored.