It’s frustrating to find your John Deere tractor turning over but won’t start. The good news is you’ll need a few simple fixes to get it running smoothly again.
We’ve used numerous John Deere tractors and compiled common issues we’ve encountered here. Check this list our seasoned landscapers put together to help you get away from tractor woes.
Reasons Why Your John Deere Tractor Turns Over And Won't Start + Fixes
#1: Fuel Filter Problems
The fuel filter is essential because it ensures that dirt or debris doesn’t enter the carburetor and clog it. If your tractor wont start, check to see if the fuel filter is clogged.
You can do this by unscrewing the fuel filter and checking to see if there is any dirt or debris inside. If there is, you’ll need to replace the fuel filter.
#2: Low-Quality Fuel/Diesel
If you’re using low-quality fuel or diesel for your John Deere S100, this can also lead to your tractor not starting. It’s essential to use high-quality fuel because it helps prevent any issues with the engine.
Our professional landscapers recommend using premium unleaded gasoline with an octane rating of 87 if you’re not sure what kind of fuel to use.
#3: Clogged Fuel Cap
A clogged fuel cap can keep your tractor from running because it won’t allow the engine to get the air it needs. The fuel cap is essential because it helps vent the tank and prevents any pressure build-up.
Check for any clogs on the fuel cap and remove any debris. If it still doesn’t start, we recommend you replace the fuel cap.
#4: Inadequate Battery Power
If your battery doesn’t have enough power, it can keep your tractor from starting. Check if it needs to be recharged or replaced.
You can tell if the battery needs to be recharged below 12.6 volts. If it’s above 12.6 volts, but the tractor still won’t start, it might be time for a new battery.
#5: Inadequate Fuel
Not having enough fuel reaching the engine can keep your tractor from starting. Check the fuel level and add more fuel if necessary.
Consult an accredited John Deere maintenance services to look into its more technical aspects if it still won’t start.
#6: Fuel Contamination
Another possible problem with your John Deere tractor is fuel contamination. Be sure to check that there isn’t any water or other contaminants in the fuel tank to avoid further damage to the engine.
If you think there might be water in the fuel tank, drain it and refill it with fresh fuel.
#7: Defective Hose
A defective hose can also keep your tractor from starting.
Check all of the hoses for any cracks or leaks. If you find any, replace the hose as soon as possible. If your John Deere tractor is still giving you trouble, it might be time to call in the professionals.
#8: Fuel Injection Pump Problems
Fuel injection pump problems in your John Deere tractor could be because the timing is off or damages or leaks in the system.
Check the fuel lines for any leaks as they reduces the lifespan of lawn mowers. If you find any, tighten the fittings and see if that solves the problem. For damages, our experts recommend you seek a professional John Deere mechanic.
#9: Engine Problems
Based on our seasoned landscapers’ experience, damaged or broken piston rings are common culprits of this issue. Since piston rings help seal the air or fuel mixture in the cylinders, damaged ones can lead to a loss of compression.
We recommend taking the engine apart for users with some technical experience to check the piston rings for damages. Replace them as needed.
#10: Clogged Air Filter
A clogged air filter will prevent the right amount of air from getting to the engine, which keeps your John Deere tractor from starting.
To clean the air filter, remove it and tap it gently to remove any dirt or debris. If it’s still clogged, you’ll need to replace it.
#11: Wrong Throttle Operations
Wrong throttle operations keep your tractor from starting by preventing the right amount of air and fuel mixture from getting to the engine.
If you’re not sure how to operate the throttle, our experts recommend reading the tractor’s manual on how to self-repair. However, if you’re not familiar with the technicalities, consulting a professional John Deere mechanic prevents further damage.
#12: Wrong Starting Procedure
Novice mowers usually encounter this problem. John Deere tractors come with manuals to help users understand and follow the correct starting procedure.
We recommend doing your research or consulting a John Deere tractor representative if you’re unsure how to proceed.
Conclusion
Based on our experts’ opinion, John Deere [1] tractors are designed for more prolonged use with proper care.
If your John Deere tractor still turns over but won’t start even after following these tips, consult a professional when needed, avoid the frustration of delays, and get back to work in no time.
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