Syclone V6-262 4.3L Turbo (1991)
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
GMC Workshop Service and Repair Manuals
Electronic Spark Control Module|Page 683 >
< Engine Controls - Service Engine Soon Light, DTC 22-TPS|Page 677
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