Operation CHARM
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Isuzu Truck
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1986
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Pickup L4-1949cc (G200z)
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Repair and Diagnosis
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Sensors and Switches
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Sensors and Switches - Powertrain Management
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Sensors and Switches - Computers and Control Systems
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Vacuum Switch
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Description and Operation
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Electronically Controlled Carburetor
Electronically Controlled Carburetor
Electric
vacuum switches
are connected to the ECM and sense vacuum, allowing the ECM to differentiate between idle and off-idle throttle operation.