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GMC Truck
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1991
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S15/T15 2WD P/U V6-173 2.8L
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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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
Engine Compartment Components.:
Center Of Dash Panel, In Engine Compartment
Applicable to: 1991 2.8L/V6-173 Engine