Speed sensor not working....s13 sr20det

General discussion forum about the 240sx, and a great place to introduce yourself to the board!
sadc
Posts: 27
Joined: Sat May 22, 2010 2:27 pm
Car: 1990 s13 240sx fastback sr'ed T-25, WITH AC!!!! :)

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Is their a way I can check if my speed sensor is not working? I check from inside the car right off of the harness. Its the Yellow/green stripe if im not mistaken. I was checking to see if I had voltage going to it while driving but I didnt. But im pretty sure thats the wrong way to check it. I think I either have to check the resistance or Ohms...or something along the lines of that.....anyone know how to check it? Thanks...Btw everything else works. Just the tach does not work...


SR Meister
Posts: 44
Joined: Sun Nov 28, 2010 4:43 pm
Car: 1990 s13

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my tach doesnt work either, ive googled it and you should too!

got chub
Posts: 1843
Joined: Sun Aug 19, 2007 3:10 am
Car: pearl white 95 240sx

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you could pop out the VSS on the passenger side of the trans and inspect it. both the VSS and the trans have plastic gears and they do wear out over time. also if you have the VSS out you can spin the wheel by hand and check the spedo to see if it move. just a few ideas. :dblthumb:


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