jm354 high engine rpms followed by won’ start

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    • September 8, 2012 at 12:40 am #35060
      SpringValley
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        If throttle is not stuck somewhere I gotta hunch.  Is it overfull on engine oil?

        • July 17, 2022 at 11:16 am #49893
          Gary Crosby
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            Did you ever figure out your poblem your tractor with runaway rpms? I have exactly same problem. But my fuel shut off would not kill the engine. It just kep Maxing rpms out. I thought it was going to blow up. Petcock would not shut off fuel either. Finally pulled the fuel line off of the pump. It finally died after starving for fuel. Starts right up. But im  afraid to give it much throttle out of fear of this happening again. What was your solution?

             

        • September 8, 2012 at 10:05 am #35061
          jakewolterbeek
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            Hi, throttle isn't stuck and no change in engine oil.  Looks more like a fuel injector or governor problem, just looking for similar situations.

            Thanks for input !

          • September 8, 2012 at 12:20 pm #35062
            Bob Rooks
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              When is the last time you drained, flushed, and refilled the fuel injection pump/governor assembly? The governor is not responding to speed changes. You have to remember that there is no direct mechanical linkage between the fuel rack and the throttle control.

              Account deleted.

            • September 9, 2012 at 6:44 pm #35065
              Affordable
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                We have had engines do that before and one of the ( piston discs was stuck or broken inside the injector pump. These injector pumps are calibrated so do not try to take it apart, you can have a fuel injection service rebuild the pump or just replace it.I have found that a new Injector pump is less cost than rebuilding your existing pump

                 

                I have the new pumps if you have to get one

                 

                Tommy

                Affordable Tractor Sales

                “Your Jinma Parts Superstore”

                http://www.affordabletractorsalesco.com

              • September 17, 2012 at 4:16 pm #35090
                circleg
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                  Sounds like you are going to need a pump, we have them in stock for that unit if you don't get here going http://www.circlegtractorparts.com, give us a call if we can help.

                  Ben

                  Circle G Tractor Sales, Inc.

                  662-252-5272

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