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Chevrolet
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1990
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Astro Van M V6-262 4.3L
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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
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Locations
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Electronic Spark Control Module
Electronic Spark Control Module
Top LH Side Of Engine, Behind Valve Cover
Applicable to: 1990 V6-262/4.3L Engine