Operation CHARM
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GMC Truck
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2001
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Savana 1 Ton Van V8-8.1L VIN G
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Knock Sensor
Knock Sensor
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Description and Operation
Purpose
Operation
Normal Knock Sensor Signal
Abnormal Knock Sensor Signal
Diagnosis
Testing and Inspection
Locations
Service and Repair
Knock Sensor (KS) 1 Replacement
Knock Sensor (KS) 2 Replacement
