mf 4345 speed sensor question

/ mf 4345 speed sensor question #1  

Hersheyfarm

Veteran Member
Joined
Sep 13, 2009
Messages
1,078
Location
NE ky
after about a hour of use the speedometer stops working and it peeps/flashes code for it. its running me nuts. do these things go bad? i'm pretty sure its the one on top of back right axle, can anyone confirm this.
 
/ mf 4345 speed sensor question #2  
I can't confirm for you which one it is, but they do go bad. I had to replace the tach speed sensor on my 4200 series last winter, it "sensed" off of a gear on they hydraulic pump. This type of sensor is getting very common on heavy trucks and tractors both.
 
/ mf 4345 speed sensor question
  • Thread Starter
#3  
Well, i aint priced it but I am just going to get one tomorrow. They seem like the cam sensor on the ford powerstroke that would crap out for no reason.
 
/ mf 4345 speed sensor question #4  
Pretty much the same deal. The only problem I had changing mine out was getting the electrical connector apart without damaging it. Of course the connector was where you could "almost" reach it.
 

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