Operation CHARM
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GMC Truck
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1986
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G 1500 1/2 Ton Van V8-305 5.0L
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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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Positions
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BARO - Barometric Pressure
BARO - Barometric Pressure
In this position Baro sensor output voltage is monitored.