Operation CHARM
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GMC Truck
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1988
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S15/T15 4WD Jimmy L4-151 2.5L
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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.
