Operation CHARM
: Car repair manuals for everyone.
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Chevy Truck
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1990
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Lumina APV V6-191 3.1L
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Sensors and Switches - Computers and Control Systems
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Knock Sensor
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Locations
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Electronic Spark Control Module
Electronic Spark Control Module
Behind I/P:
Behind I/P Compartment, Above Convenience Center
