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My 2009 254 is doing ok. It has recently started with a new problem. Starts fine runs great for 1 hour the starts to lose rpms and eventually over a few minutes stall and will not start. If I wait for several hours starts up and runs normal until it does it again. Everything looks ok to me, good fuel, temp normal, oil pressure normal. Suggestions please
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My first instinct is that it may be a blocked vent in the fuel cap. The next time it starts to loose RPM, remove the fuel cap before it dies. If it recovers, there is your problem. If it goes ahead and dies, it is something else.
Next best guess is a plugged fuel filter. Easy and cheap to replace. Probably wouldn’t hurt anyway as they tend to get ignored. If that is the problem, you really want to open that filter and see what is plugging it. It could be the dreaded diesel bugs. In that case you need to take care of it as quickly as possible to prevent more damage. Bob Rooks has posted a lot about the bugs and how to clean up after an infestation. I sure hope that is not it.
Other things of lower probability are governor problems (an oil change there is always a good idea), air in the system, vapor lock (fuel line overheating?), and probably several others that I haven’t thought of.
Good luck and let us know what you find.
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So was at the camp and used the tractor. Needed to do a job without potential failure so took a short cut and ran the tractor with the fuel cap loose. Stalled in about 45 min, but did start up and run again in about an hour. Did not have time to mess with filter this trip but will try that next.
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Follow up on problem. Changed fuel filter, nothing. Added every fuel additive on the shelf at parts store, nothing. Tried fuel cap again, nothing. So started to take things apart. Pulled off banjo fitting on injector to drain tank and only a trickle came out no matter where the petcock valve was positioned. Tried to remove sediment bowl, could not (does it come off, I think not). Tried to unscrew sediment bowl apparatus from tank. Petcock valve handle blocked by a brace under tank. Removed two small screws holding valve handle in petcock and diesel began to pour out along with bits and pieces of who knows what. Luckily there was only a couple of gallons of fuel in tank and most went into a bucket. When drained unscrewed sediment apparatus and saw screen protruding into tank had broken apart with most screen missing (probably the prior seen bits and pieces). Diagnosis, ran well after sitting awhile because fuel slowly trickled into line and injector, maybe when running and jostled some fuel flowed mostly not though, so eventually stalled. After waiting fuel again trickled in and the same process over again. I have ordered an upgrade system from Ranch Hand Supply and will install at next visit.
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So finally got to camp and installed the fuel upgrade kit. Works like a charm, runs great. Getting a lot of fine sediment in the clear glass bowl. Should have flushed tank while apart but dont have resources at camp for that. Will just empty bowl often and hope it clears up. Still having problems with 4 wheel drive, I think it is out again. Have tried everything. I wish someone could come up with a more durable fix.
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Yepp just keep a eye on the bowl that is a easy way to keep from having issues. On my tractor it came with a plastic bowl that was not clear I changed it out to glass so it is much easier to see in. And I assume you are having trouble with the front drive shaft ? The only thing I know is to avoid driving on a hard surface in 4- wheel drive, that takes any tire size difference from placing undue tension on the balls. hahhahah
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