Go Bottom4210 ehydro codes
 | rollingacres
Join Date: May 2007 Posts: 1 N.E.Pa. 
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2007-05-24 142433
Hi, I have a 4210 flashing a code short, long, long, short. Seems to work o.k., but smells like burning rubber for a short time after start-up. Can't find the problem. What's with John Deere, not including these codes in the owner's manuals?? Can anybody tell me what to check? Thanks!
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 | kwschumm
Join Date: Feb 2003 Posts: 5764 NW Oregon 
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2007-05-24 142441
That's a MFWD speed sensor code. The cruise control will be disabled and performance will suffer a bit without it. Sometimes under tractor wiring can get caught and damaged. You might crawl under the tractor and inspect all the wiring and connections before doing anything else. ....
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| kwschumm
Join Date: Feb 2003 Posts: 5764 NW Oregon
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2007-05-24 142442
BTW, the manual pictorial shows the MFWD sensor to be mounted somewhere under the left side of the seat. The code will flash if it's out of calibration. ....
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| 53willys
Join Date: Oct 2017 Posts: 2 nw az
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2017-10-02 197141
Hi, can you tell me what the flash code of short,short, long, short is on the 4210 JD? thanks ....
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| jdgreen
Join Date: Jul 2003 Posts: 232 Maryland
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2017-10-06 197165
Short short, long short is for the flywheel speed sensor. ....
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