Astro Van M V6-262 4.3L VIN B TBI (1991)
Knock Sensor: Locations
Electronic Spark Control Module
RH Rear Of Engine
RH Rear Of Engine, Above Valve Cover
Applicable to: 1991 4.3L/V6-262 TBI
Chevrolet Workshop Service and Repair Manuals
Electronic Spark Control Module|Page 473 >
< Intake Air Temperature Sensor|Specifications
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