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Tractor cutting out while on full throttle

M

M. Doud

Member
Hi All

I have a Ford 250c, roughly equivalent to a 4500 series ford. I was using it to spread gravel on the driveway and when it was running at more than full throttle it would start to cut out, I would throttle it down to a idle before it died completely, it would idle fine, and when I throttled it back up it would run fine again. It did this several times, and the last time it died completely and wouldn't start. Anybody have suggestions on what it might be or how I can diagnose it? Any help would be greatly appreciated.
 
Start the process of elimination. There's a screen in the tank. Remove the line at the shutoff and check for flow.Remove the line from the upstream side of the filter base and see if you got fuel. Check to see about a clogged filter. You also have a inline fuel pump. Check to make sure the shut off didn't vibrate shut. Good Luck.
 
Check the fuel delivery. There must be a restriction in the fuel delivery system. Start at the tank ou let then go on to the filter then to the pump in let. If it has a lift pump in the circuit they usually have a screen filter that can clog.

By the way, how do you run at "...more than full throttle..."?
 
As others have said, it's almost assuredly a fuel delivery problem. The very first thing I'd do is open the drain on the bottom of the fuel filter. If water comes out, you've probably found your problem. Then I'd check the valve under the tank. I've had the screen inside get plugged, causing the exact symptoms you describe.
 
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