gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Electronic Spark Control Module|Page 3032 > < Computer Command Control - Throttle Body Fuel Injection|Page 3027
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Knock Sensor: Locations
Electronic Spark Control Module

Engine Compartment Components.

 Center Of Dash Panel, In Engine Compartment

Applicable to:  1991 Blazer, Jimmy, S10 & S15 w/4.3L/V6-262 Engine

Electronic Spark Control Module|Page 3032 > < Computer Command Control - Throttle Body Fuel Injection|Page 3027