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Read articles →This is a real-world fix filmed on the spot: a John Deere 4300 owner diagnoses a no-start as a recurring fuel solenoid problem, pulls the side cover, removes the solenoid plunger, and shows oil buildup causing it to stick. He explains the ten-millimeter bolt removal, O-ring care, and reinstalls without buying a new $200 part, then confirms it starts. Useful for owners troubleshooting the same no-start symptom on this model.
Posted by an owner sharing a hands-on repair from personal experience with recurring issues on their own tractor.
A recurring cause is the fuel solenoid sticking because oil builds up behind the plunger and it won't release when the key is turned on.
It is on the back of the injector pump, accessible after pulling off the side cover.
Take off the side cover, remove two screws with a 10 millimeter wrench, then pull the solenoid and plunger out.
The owner did not buy a new $200 solenoid, instead cleaned oil out of the old one and reinstalled it with a greased O-ring, and it started fine.
