Operation CHARM
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Buick
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1985
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Electra V6-231 3.8L
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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 - Ignition System
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Knock Sensor
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Locations
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Electronic Spark Control Module
Electronic Spark Control Module
Front Center Of Cowl, Above Plenum