Heavy Equipment Air Intake & Fuel Delivery for Bobcat I replaced the fuel water separator already. The most common reason for failure we see in these injectors is fuel contamination. on how to clean your injector at home. The joystick controls commonly breed some problems. If the fuel rail loses pressure due to a clogged filter or other reasons . What I ment was sometimes people accidentally put in gas instead of diesel. If the fuel cannot flow properly from the tank to the fuel injector, the engine will lose its ability to run powerfully. On the other hand, if the harness has continuity, it's suggested to tighten up its plugs. bobcat 773 injection pump. Because the pinhole leaks are apparent when the systems fluid is under pressure. While this is a good thing since it allows for a smoother ride, tires with too much air can reduce the tractors balance. Heres a link to our Bobcat troubleshooting article: Bobcat Troubleshooting, Warranty by product type. If the engine cranks but doesnt start, either the fuel system or the glow plugs are at fault most of the time. Affiliate disclosure: As an Amazon Associate, we may earn commissions from qualifying purchases from Amazon.com. I can restart the machine after waiting a couple hours. Inside the tank is a 1/4" ID vinyl tube ending in a steel screen assembly with a check valve to keep fuel from returning to the tank. for News, Products & Specials, Troubleshooting Bobcat Doosan D18 | D24 | D34 Fuel Systems. The more members that join, the bigger resource for all to enjoy. Lack of eater or coolant can also cause this. Perhaps you are looking at doing some maintenance work on your parts in which you should also review this. Thats because the fuel cannot flow due to the clogged filter eventually resulting in the power loss of the loader. While operating, the engine seems very good, plenty of power, good idle etc. The tractor tires do not last as long as expected. In many cases, the tractor operator will have a tougher time getting full control of the machine, especially when maneuvering. 2. Bobcat 763 fuel issues | Heavy Equipment Forums Unfortunately, some owners only succeed in causing more problems with the motor. The Bobcat 3400 UTV model is no exception ensuring the perfect balance of power, quality, performance, and reliability. Consumers noticed that their vehicles exhaust header pipes were cracking and had the potential chance of extreme burn or fire hazards. Diesel Pro has developed an 8-step testing procedure to electronically simulate the on-engine conditions on our test equipment. So keep them under regular maintenance. Thank you! Later in August 2018, the company recalled a total of 2,700 units of 3400 and 3400XL UTV models. According to a group of Bobcat 3400 users, some of the previous models only shift gears when its off or when they rock the unit forward and backward. After starting it ran well for about 15 minutes or so and then began to repeat the power loss symptom, I jumped out, opened the back door and fiddled with the rear pipe while the engine was running.the engine came good. Each unit had issues at the 3000 to 4000 hour mark and were extremely hard on fuel filters (sometimes 2-3 between 250 hours). Purchase your parts from us today or reach out if you have any questions. (You must log in or sign up to reply here. Return fuel passes through the fitting to return to the fuel tank. Another possible reason can be the false alert from your Four-wheel drive light. Poor Emissions. 751 bobcat fuel tank help | Heavy Equipment Forums Problem With The Electronic fuel injection Or EFI Based on several consumers reports, the 2012 version Bobcat 3400 gas UTV models have issues, such as engines starving for fuel, stalling, missing, and even engine misfiring or backfiring. Bobcat Tractors are among the top compact utility tractors currently on the market. In some cases, users have reported their not-so-pleasant experiences with the bearings. Regardless of how durable and well-built a tractors components and parts are, they will eventually break down and need replacement. This Max fuel stop screw just limits the maximum amount of fuel that can be delivered to the engine at max load condition. We work with a lot of Doosan's D18, D24 and D34 engines which are commonly used to power skid steer loaders, excavators, track loaders, tow compressors and toolcats. Generally, when the four-wheel-drive lights are on, it indicates that the drive is engaging correctly. You are using an out of date browser. You will likely need to log in when the update is done so make sure you have that information available before we shut down. If the injection pump is failing or has failed, the engine may not start or run but with low power. Make sure it is working as per the specs. See our core policy by clicking return policy at the bottom of the page. The error codes help you to identify the cause of the problem. Bobcat 743 Problem #2- Injector problems | The SkidSteer Forum The brand employs top-notch manufacturing techniques, yet the tractors are reasonably priced. Questions about fit? 4 Most Common Problems with Bobcat T590 and Troubleshooting - Lawn Troop Based on several consumers reports, the 2012 version Bobcat 3400 gas UTV models have issues, such as engines starving for fuel, stalling, missing, and even engine misfiring or backfiring. Check for any fuel leaks. After checking the fuel filter, its time to check the fuel tank. JavaScript is disabled. When removing injectors, the o-rings can sometimes get stuck in the rail. The most obvious reason can be the bad, broken, or loose drive belt. 1. Engine overheats Lack of engine coolant - The cooling system needs to be refilled and checked for faults. What I also found was a second fuel or air line coming from the tank and fitting onto a small pipe at the rear of the engine on the injector rail I guess its called. A common issue with the Bobcat tractors is the charge pump or leaking brake seal. Next, you will need to pull off the top cover that sits underneath the fuel lines. Troubleshooting Bobcat Doosan D18 | D24 | D34 Fuel Systems Fuel contamination is the leading cause of failure, If you are experiencing rail pressure codes or problems, it is most likely an issue with your injection pump or injectors, Keep the fill area on your equipment clean and free of debris, Change the fuel filter regularly to keep your fuel as clean as possible, Excavators: E32, E35, E42, E45, E50, E55, E85, Skid Steer Loaders:S450, S510, S530, S550, S570, S590, S595, S630, S650, Track Loaders:T450, T550, T590, T595, T630, T650. I discovered that if I squeezed the fuel primer ball every 15 seconds, the unit would stay running. Diesel Fuel Injection Pumps: 12 Months, Unlimited Miles/Hours In fact, this problem also applies to a few tractors used on the field or farm. We welcome you to register using the "Register" icon at the top of the page. These two are some common symptoms of your bobcat t590 failures. It appears to be a gravity fed system somehow. (Explained for Beginners). Damaged radiator cap or dirty radiator core - Clean radiator or change cap. Some users who drive the Bobcat tractors on concrete, asphalt, and other types of hard surfaces discover a common problem. An introduction to the Detroit Diesel DD13 and DD15 Fuel System. High pressure builds until the oil seal eventually fails. I should also say that the tank did run empty at one stage, never had problems before that, possibly there is air in the system disallowing fuel to be pulled through. Select Common Rail Injectors: 24 Months, Unlimited Miles/Hours As we spoke about the injection pump and rail pressure earlier, the fuel injectors can also bleed rail pressure. But sometimes you need to replace the whole system, which costs a lot. 2003 LS180 - Injection pump Replacement | Skidsteer Forum - Bobcat, New This is how to do it. Engine issues, hydraulic pump issues, contaminated fuel all of these are the common problems. Hi folks. Some Bobcat tractor models are available for all kinds of activities you can think of on the field. He even noticed notably low hours while having those issues. Experiencing similar fuel filter problems here in Massachusetts. While researching and going through several online reviews, articles, blogs, and user forums to see how the consumers feel and react after owning the Bobcat 3400 UTV model, I discovered that most users are quite satisfied with their experiences. If the injection pump is failing, the pump will have a difficult time keeping up with desired engine rail pressure. It happens when the air filter is dirty or gets completely clogged. Have someone turn the key on with the engine off and press the accelerator pedal all the way to the floor and hold it there for about 10 seconds. Thanks for all the advice. The fuel system consists of fuel filters, a fuel line, and a fuel tank. Many people find the machines practical and functional considering their multi-purpose design. But it doesn't seem to be the cold, we can't run our machine with the snowblower even as warm as 30 degrees. I'm not familiar with diesels, so gradually trying to work things out. You might have to further loosen it up by moving the injector to remove the hold down bolt. 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I haven't experienced any noticeable difference in power between the new and old. Next, remove the hold down. These pumps are very expensive and this might help prevent misdiagnosing the injection pump due to low rail pressure.Want more? Both pipes feed in at the top of the tank, so clearly the engine must be doing something to create a siphon affect. One particular 2011 version user has mentioned that initially, he loved riding the UTV and had no complaints at all. The pipe does seem a little too large for the fitting though, so doing it up tight wasnt easy, especially at the back where it was hard to get to. My bobcat 743 is puffing some major black smoke when in heavy use. Bobcat No Start, Troubleshooting Fuel System and Replacing A - YouTube I lifted the canopy to get to things and see things better. You may have to loosen the injector with help from a wrench. Before you get into removing any other parts, grab a cloth or a towel and clean off any dirt, dust and particles that could potentially fall into your engine. The reason for this is there is no great way of cleaning the fuel rail. Thank you for joining Heavy Equipment Forums! Bobcat T750 Problems [Know & Fix Them] - Inside The Yard To bleed it, you open the bleed screw, squeeze the hand primer till you can feel that there all the bubbles are gone. Your just checking every crazy thing that could be a problem. Right now the post is the last one on page three if you want ot search that way. Make sure the wires from the joystick to the hydraulic pump and actuators are connected.