I'm wandering if when the fuel filter bowl got hit by a branch, if it dropped filter enough that some sediment or trash got into injection pump causing it to miss even after bleeding air? You must check the wiring when replacing a damaged pump. The common problem is that your engine won't start at all. When this happens, find out how to bleed a Kubota diesel engine or get professional assistance. Therefore, all you need to do is exchange the steering pump for a new one. Shes obsessed with cheetah print and caffeine, and in her free time, she enjoys shopping, traveling, and spending time with family, including her wild 2-year-old little girl named Huxley. [ no cam lobe to run a mechanical ] The VP44 injection pump required positive fuel pressure, and this lift pump pulled fuel from the frame mounted tank. It would suck in very small amounts of air which a lot of folks pulled their hair out finding. of leakage, corrosion, or binding in the cylinder rods. Engine sputter is a term used to describe the feeling and sound of a machine running roughly or unevenly. I've adjusted the valves back to a point the engine does not race. Last but not least, hire a mechanic to inspect the fuel pump, and if there are some damages, get them fixed. However, if the strainer is clogged beyond cleaning, it would be better to replace the strainer. This issue occurred for customers after the excavator was idle for a few days without being used. If you suspect a problem with your Kubota fuel pump, we recommend taking the machine to a qualified mechanic for diagnosis and recommendations. The Compact enough to be easily carried and maneuvered, yet powerful enough to break through the rugged ground. . Kubota RTV 500 Problems and How to Troubleshoot Them - TP Azomite vs Dolomite Can They Be Interchanged? . In addition, debris and dirt can clog the filter. Sat: 8:00 a.m. 4:00 p.m. Sun: Closed, Mon Fri: 7:30 a.m. 5:30 p.m. For a better experience, please enable JavaScript in your browser before proceeding. For the high pressure in the fuel pump, the pump can get damaged. Instead, a regular working fuel pump has a typical humming sound that blends in with the rest of the machine's sound. If its the former, there could be something clogged in the line. As the cylinders and crankcase fill with water, a hydraulic lock will keep the pistons from moving. - DIY Raztech Powersports 13.6K subscribers Subscribe 341 32K views 2 years ago Kubota injection pump repair without removing it from the. Depending on the diagnosis, you may need to replace the fuel pump's relay or driver module to restore the functionality of your fuel pump. So any line/device in the area where the fuel is being ' sucked ' is where I would look. This can also happen for the wrong fuel type. Or since this all started after fuel bowl got hit by a stick and broke, that contamination sucked past the broken filter and is sticking the injection pump? Then put some real gas without ethanol in it for a few tanks. was getting fuel and all are but now it produces thick black smoke. Its possible that the fan belt is damaged or has come loose; however, the most likely explanation is the former.