Question about John Deere 420,1020,2010,2020,2510,2520 Tractor Float

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Lawn tractor shuts off after 20 minutes of running

I have a John Deere stx38 and it starts but after running 15-20 it just shuts off and then it will not start until it sits for about an hour or 2 . Changed fuel filter , oil, air filter , and spark plug . Have any ideas ?

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  • Lestazz3 May 09, 2009

    how do you tell what year it is ?

  • dave polmanteer Aug 22, 2013

    the engine is over heating due to compreson 120 psi to 160 anythang less rebuild

  • Anonymous Mar 25, 2014

    My La105 runs unevan have changed fuel filter and spark plug blown out fuel lines checked main jet and needle and seat but no better

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How old is your ? Sounds like ignition problem,If your engine is older you would have points when the points are bad they can stick together and will result in shutdown after unit cools a little it will restart !

Posted on May 09, 2009

  • Jerry Cramer May 09, 2009

    There is a model number on frame of lawnmower on a tag ,you can use this on a google search or on johndeere site . sometimes the engine says on top of it electronic ignition. let me know if it works.

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Install AUTO fuel pressure gauge log (tracking fuel pressure)
Your fuel line must be old and collapsing
your fuel filter at fuel tank must be dirty
Clean your injector
SA

Posted on Jul 24, 2015

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