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Have code P0335 Crank sensor performance range. Found with a cheep scanner with minimal data. Intermittent problem and as I seen code I also lost RPMs on screen but still had a tack reading on dash. Have little access to pin outs or go or diagrams I found that its a 3 wire sensor and should have 12v 5v and signal return, I have 5v 5v and 5.2 ohm's guessing thats signal return and before you say PCM thats what I thought but I have a spare PCM 1 power tuned 1 not and they both do the same thing. I know I need to do a resistance test but dont know where where wires are on PCM or hopefully somebody's ran into this before
 
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