Operation CHARM
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GMC Truck
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1989
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Suburban 3/4 Ton 2WD V8-350 5.7L
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Tools and Equipment
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IAC System Monitor
IAC System Monitor
IAC System Monitor:
Used to test Idle Air Control (IAC) motors for correct functioning and proper response to commands.
