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Where is the knock sensor located on a 1991 S10 Blazer 4.3l 4x4?
Wiki User
∙ 16y ago
Don't know if anyone else has needed this answer or not, but this was my question orginally. The Haynes manual says it is located underneath, drivers side of the block, just ahead of the oil filter. It has a picture, but it's not there on a 4x4. The service department at my local dealership told me the same info. Yesterday I finally found it. Look down from the TOP, to the drivers side of the distributor, just below the bottom of the distributor. It's tight to get to, but I could get a 7/8th deep socket on it. Hope this helps.
Wiki User
∙ 16y ago
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