SmoothSteve3 Posted September 2, 2003 Report Share Posted September 2, 2003 Hey guys- Could someone tell me where on my 3.1 MPFI I will find the Crankshaft Position Sensor? Also, how does one go about replacing it.......is it farily easy......or fairly complicated? I tried the search function with no luck.... Anyways, thanks! SmoothSteve3 1990 Chevy Lumina 3.1 Liter V-6 Ride on White Lightning Quote Link to comment Share on other sites More sharing options...
patgizz Posted September 2, 2003 Report Share Posted September 2, 2003 back of the engine block. to get to it rotate the engine forward like if you were changing the back plugs, then look straight down the block under the middle cylinder and you'll see it. i believe its an 8mm bolt Quote Link to comment Share on other sites More sharing options...
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