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john deere Lx 255 15 hp kohler...what would cause this mower to stop running at just about any time and then after i wait at least an hour or so it will start right up...deck can be ingaged or not...new plug installed .basic tune up just done ..takes me an hour and a half to mow my lawn and it;s not a good feeling not knowing if i'll get to mow it all or have to wait...any ideas?...thanks in advance
 

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Fuel cap vent restricted??

Maybe debris in the fuel tank sloshing around and blocking the fuel line pipe?

These are common problems and often overlooked. Just throwing it out there...
 

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If you determine it's lack of spark rather then fuel I would look at the ignition module. (I think you'll find it's all built into the coil.)
 

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I would agree on the ignition module. Almost a guarantee it. When an ignition coil starts to fail after it heats up it will die and won't restart until it cools down. If you can if it dies on you again take the plug out and connect the lead wire to the plug put it against the metal block and have someone turn the key. Obviously taken care not to be in the way of the machine. look between the diode and see if you have spark. If not this should be your issue. If you want, you can look up the model and serial number off the engine and give them to me and I will look up the coil cost or you can do it your self at http://www.arcolawn.com/pages/OemParts

Hope this helps
 
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