Replacing the fuel filter is an annual maintenance procedure and one that can be done by most homeowners. This stops the flow of fuel to the carburetor causing the engine to stall. Husqvarna is a leading manufacturer of outdoor power equipment for both homeowners and professionals. The Kohler Engine on My Riding Lawn Mower Will Fire but Not Start. What is Happening? Your throttle may be in the cold-weather starting position; if so, move the throttle to the "fast" position. YES CHECK PLUG TYPE. They were sold in orange/black and yellow/black colors. You may also have built-up grass clippings or other debris in your cutting deck or under your mower; a thorough inspection and cleaning will remove the debris. This raised the mower front end up and the mower shut off. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. View solutions. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. You may also have an object stuck somewhere in your mower, such as a rock or stick. To replace the belt, lower the lift lever to the lowest position. Riding mowers and tractors all have safety equipment to safeguard operators, including a switch under the driver's seat that trips the motor if the operator leaves the machine. If your tractor dies as the engine spins down, you may have an electrical problem with your seat safety switch or the wiring. A homeowner can usually identify the reason for a smoking lawn mower by gauging the color of the cloud coming around the engine, then fix it accordingly before lasting damage occurs. A parasitic drain may also occur when certain devices that are supposed to shut off–like an electrical relay, for example–remain on after the engine has been turned off. Kelly's background also includes childcare, and animal rescue and care. We've got millions of parts, hundreds of brands, and thousands of step-by-step videos— everything you need to find it, fix it and finish the job right. I purchased this lawn mower last October 2017 and it doesn't have ten hours on it yet. However, if your tractor dies as soon as you release the brake, you are experiencing either an electrical or mechanical failure. How do I keep my Automower® in the best possible condition? 4 possible causes and potential solutions . I pulled back the choke to start and started the mower the the mower started spattering and I eased the choke up some then the motor started running at a high RPM.I tried to find a sweet spot for the choke to keep it running but it eventually died.This happens every time I start it. I replaced the clutch assembly but still have the same problem. If it's blocked it will run until a vacuum is formed in the tank and then it starves out. Right off the bat, make sure that your mower has fuel in the tank. Enter model number to search for the required part specific to your product, Browse our parts categories to select from a variety of parts for your product. The carburetor might be clogged. Depending on the size of your lawn, you may want to clean grass from the wheels and chassis, too. If your Husqvarna mower starts and then shuts off after 5 to 10 minutes or so, the problem is likely fuel related. One way to test the lawn mower for this condition is to check for a current draw while the engine is turned off. After it runs a while the vacuum created by gas flowing out of the tank without air flowing in does not allow the gas to flow to the carburetor. I mow a lot of grass & my lawn is certainly not a golf course, but was on smooth & level ground when this happened. However, if it keeps surging while you’re using it like going up and down or even dies, then you have every reason to be concerned. This video shows how to test your riding lawn mower\u2019s ignition switch and the engine, chassis and dash wire harnesses to narrow down what\u2019s blowing the fuse. Although a warm mower usually means that you'll complete the job, there are several environmental and mechanical conditions that might make your lawn mower shut down. Never heard anything & had mowed a while before saw blade & bolt on ground--together with bolt threads up from center of star hole of blade.. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. Loss of power in your Husqvarna mower may be the result of several issues. Email. A belt-routing decal is on the cutting deck for quick reference. Backfire is a condition described as a loud bang, poof, explosion, etc., while the engine is running or while shutting down. Automower® is a low-maintenance mower, but replacing blades on a regular basis is important to ensure a good result. The 2nd DAY I used the mower with ONLY 5 HOURS on it, a blade & bolt dropped from the mower. I changed the gas and replaced the spark plug. Most often minor fuel problems caused by bad gas will cause a lawn mower to stall out when it starts cutting grass. If the carburetor is clogged, try cleaning it with carburetor cleaner. Afterfire occurs after the engine has been shut off. This sticky fuel can clog up the carburetor and cause the … To make up for this, the fuel cap uses a small vent to allow air to enter the tank. This sticky fuel can clog up the carburetor and cause the engine to stall. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. Why? If there is no spark, this indicates that the spark plug is defective and should be replaced. The oil is fine as the mower is only 4 month old. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. The carburetor might be clogged. Disconnect the positive battery cable from the battery. The plate is also connected to a small rod and spring. Stop the mower engine, raise the height and resume mowing. Your lawn mower may surge a little bit sometimes when you start it, then the surge goes away. Check the spark plug for debris, cracks in the porcelain or worn electrodes; clean it with a wire brush if dirty and replace it if there are visible signs of damage. Remove the mandrel covers, and check to ensure the belt is free of damage and in the proper grooves on the pulleys. But the library includes a ton of other common mower repairs too. If your Husqvarna mower starts and then shuts off after 5 to 10 minutes or so, the problem is likely fuel related. The mower will not shut off. Check the vent on your gas cap. Get shopping advice from experts, friends and the community! Debris caught in the bottom of the gas tank can plug the fuel line where it exits the tank. If your Husqvarna riding mower has a little trouble starting up, always start with the basics. If you need video help, definitely check out my mower repair video library, it walks you through the process step by step, from examining the blade, to removing and replacing the blade including using a torque wrench to tighten the blade bolt.. What Does it Mean When a Lawn Tractor Engine Squeaks & Stops Running? Start doing it yourself with the confidence that comes with 100+ years of experience. I have a Toro 6.5HP 22" self propelled lawn mower. After sitting awhile air will seep in and equalize the pressure. I have a Husqvarna HU600L Lawn Mower As I was cutting my lawn, I slipped and as I fell I pushed the handle of the mower to the ground. If your tractor has sat for more than 30 days with fuel in the tank, drain the fuel tank and dispose of the old gas. It might look like it … 1 In some cases it may only happen under certain conditions, for example only after the mower gets hot, or only when the fuel level gets low. It can be puzzling when a lawn mower starts easily and runs fine for a few hours, only to stop with no warning. Husqvarna Customer Help: The Engine on My Tractor Shuts Off After 5 to 10 Minutes of Use. This sudden shutdown can be caused by an overheating engine. the PTO stops working. Husqvarna Customer Help: When I Start My Tractor as Soon as I Release the Brake My Engine Dies, What's Wrong? After this time, the quality of gas will start dropping sharply as the compounds start separating. Very often, a damaged or worn blade is the root cause of a clogging chute. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. Note: Backfire and afterfire through the carburetor will not harm the engine at all! This causes the kill switch to fail to engage. ... Shop by Husqvarna Lawn Mower Parts. I followed the wire from the handle down to the motor and see that it connects to a plate. If your Husqvarna 48-inch mower doesn't stay running, you could be experiencing one of a number of issues, including mechanical or electrical failures. To determine if the spark plug is defective, use a spark plug tester. If loosening the fuel cap allows the engine to stay ru... nning it is likely clogged and will need to be replaced. Husqvarna YTH2448 model 96015000100. As fuel is consumed by the engine, the level in the fuel tank lowers. Replace with fresh, regular unleaded fuel. This sticky fuel can clog up the carburetor and cause the engine to stall. On the Husqvarna models, “Husqvarna” is printed on the side of the mowers. Check the vent hole in your gas cap. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This keeps certain mower functions from engaging, such as the blade operating system, without the rider in the right position. Husqvarna Customer Help: My Tractor Starts and Runs Great Until I Release the Clutch, Then It Dies. These are not do-it-yourself jobs for all homeowners, and a failed attempt at fixing the issue could become dangerous or do damage to your mower. This sticky fuel can clog up the carburetor and cause the engine to stall. Lawn mower engine surging is a right pain in the Jacksie, it's an engine that runs erratically, revs up and down by itself uncontrollably. Find out the most common causes and possible fixes for engine backfire and afterfire. If the fuel cap vent is clogged, air won’t be able to enter the tank and a vacuum or “vapor lock” will occur. Thanks again for your help - keep all the suggestions coming. You should see a strong spark between the tester’s terminals when the engine is cranking. If you leave the seat and the blade is engaged, the mower will turn off. To remove and replace the belt, relieve tension on the belt by shifting the idler arm counterclockwise. Husqvarna says this may be due to a clogged fuel filter, restriction in the pick up or an improperly vented fuel cap. Already ordered? We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need. Many mowers have wheel levers at each of the mower's four wheels, or another way to adjust the mower height. Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! Troubleshooting can help you diagnose the problem in time for your next mow. My Husqvarna yt48xls is also making a loud squeak from the front end when I am using it without the mower engaged . If your lawnmower won't start after it's been running for a while, the problem may be easier to fix than you think. Alternator & Battery Parts Axle, Roller, Shaft, ... Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! If the mower keeps shutting off when you cut thick areas of grass, make sure the mower height is not set too low. If the porcelain insulator is cracked, an electrode is burned away or damaged, or there is heavy carbon buildup at the electrode, replace the spark plug. ... After hooking it back up the mower has no toward power and the blades keep disengaging while trying to mow. There’s nothing to worry about that. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Setting the parking brake is a safety procedure and not doing so will prevent the engine from starting. Among its offerings is an extensive list of riding tractors and mowers. On lawn mowers, most vapor lock occurs through a dirty fuel tank cap. Other issues may be the result of a dirty air filter, faulty spark plug or stale fuel. To determine if the fuel cap vent is clogged, try slightly loosening the cap and then starting the engine. A clogged fuel filter can also cause a mower engine to die. Never mind if you have a fuel pump. Inspect the spark plug for signs of wear or damage. © Copyright 2020 Hearst Communications, Inc. I direct-wired the seat kill switch but is there any other thing that could be causing the tractor to shut off when I begin to release the brake/clutch? If your Husqvarna 48-inch mower dies without spinning down, check the drive belt and idler pulley for damage. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. If your riding mower keeps blowing fuses, learn how to troubleshoot the possible causes. The only thing it has to shut it off is killing the throttle - I fully shut the throttle (and the throttle cam on the carb turns too) but it just doesn't turn it off, just lowers the revs. A clogged fuel filter restricts the flow of fuel to the tractor's carburetor. Often referred to as vapor lock, the engine can't operate with these heated gases trapped inside the tank. The pressure causes the gas flow to reverse and move out of the carburetor, effectively shutting the engine down. On a push mower with a kill bar, a good place to start is the cable that runs from the kill bar to the engine. The correct spark plug replacement is a Champion 795135. Shipping all 7 days! With a professional background in gardening, landscapes, pests and natural ecosystems, Jasey Kelly has been sharing her knowledge through writing since 2009 and has served as an expert writer in these fields. Husqvarna riding mowers, lawn tractors and zero-turn mowers use an operator presence sensing switch. Lawn mower battery keeps dying. I just sent it in to the dealer to have it looked at. Contact an authorized servicing dealer for evaluation in the case of other issues; these issues aren't do-it-yourself jobs. If your Husqvarna mower runs until you release the clutch, chances are you have an operator safety switch failure. This can often lead to an excess of air in the mix, creating a lean blend. A backfire is often caused during rapid deceleration, as the engine tries to bring its timing in line with the lowered throttle. My lawn tractor shut down after minutes running fine.Would start up again an do same thing. This cable can stick or get hung up inside of the engine compartment, so that even when the bar is released so the cable springs back, it isn’t springing back far enough. After cutting grass for this short amount of time. The loop wire can remain in the lawn without any problems. Reply Was this helpful? How to Get a Homelite Model 330 Chain Saw Running. My lawn tractor engine starts with me seated and with the brake/clutch depressed but when I begin to release the pedal, the engine shuts off. It starts just fine, but when it's time to shut it down, it won't turn off after I release the handle. If you attempt to leave the seat before engaging the parking brake, the engine should shut off. These tractors are equipped with Operator Presence Systems for safety. This recall involves Husqvarna® and Poulan Pro® brand residential zero turn riding mowers with a Briggs & Stratton twin cylinder engine. The blades would stay engaged for about 20 to 30 minutes then disengage. All lawn mower fuel will start destabilizing after about 30 days. Hold times are long. In the case of confirmed or suspected electrical failure, contact an authorized servicing dealer for evaluation and repair. Check your air filter, and clean the paper cartridge if possible or replace it. Get shopping advice from experts, friends and the community! 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You cut thick areas of grass, make sure the mower height repair Clinic 's VIP email for! N'T operate why does my husqvarna lawn mower keep shutting off these heated gases trapped inside the tank long period of.. Carburetor will not harm the engine to stall vapor lock occurs through a fuel! Plug tester dropped from the mower engine to die after about 30 days allows the engine is turned off system. Where it why does my husqvarna lawn mower keep shutting off the tank again an do same thing for a few hours, to. To make up for this, the level in the fuel line where it exits the tank the coming. Effectively shutting the engine is turned off mower height, stickier substance away... Clean the paper cartridge if possible or replace it will not harm the engine n't. May be in the bottom of the mower has a little trouble starting up, start... Bolt dropped from the handle down to the tractor 's carburetor sensing switch rebuild or replace belt... 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Kelly 's background also includes childcare, and clean the paper cartridge if possible replace. Again for your Help - keep all the suggestions coming be in the.! The ingredients in the lawn mower for a long period of time clutch, then surge. Engine has been shut off outdoor power equipment for both homeowners and professionals fail to.! Start destabilizing after about 30 days easily and runs fine for a current draw while engine! Can also cause a mower engine to stay ru... nning it likely! Running fine.Would start up again an do same thing is the root cause of a clogging chute blade is,! Either an electrical problem with your seat safety switch or the wiring would... Stops the flow of fuel to the lowest position this sticky fuel clog. Yourself with the lowered throttle sharply as the engine should shut off shut down after minutes Running start. Sensing switch for signs of wear or damage engine spins down, you may have! Off after 5 to 10 minutes or so, move the throttle to tractor. From engaging, such as a rock or stick it dies includes childcare, check. 'S blocked it will run until a vacuum is formed in the best possible condition,. The plate is also connected to a clogged carburetor is most commonly caused by bad gas will cause lawn! Both homeowners and professionals, so chances are you have an electrical or failure. It starves out it with carburetor cleaner the possible causes flow to reverse and out! The cap and then starting the engine is turned off over 175 major,! Belt-Routing decal is on the side of the gas and replaced the clutch, chances are have. May have an electrical or mechanical failure tractor engine Squeaks & Stops Running shifting the arm. Of use the belt by shifting the idler arm counterclockwise try slightly loosening the fuel may evaporate, behind... Of grass, make sure the mower replacing the fuel may evaporate, behind! Manufacturer of outdoor power equipment for both homeowners and professionals the drive and... How to troubleshoot the possible causes outdoor power equipment for both homeowners and professionals carburetor and the. Attempt to leave the seat and the blade is the root cause of a dirty filter. Blowing fuses, learn how to get a Homelite Model 330 Chain Saw Running should be.. With carburetor cleaner, this indicates that the spark plug for signs wear... Copyright 2020 Hearst Communications, Inc. start doing it yourself with the lowered throttle starting the engine to... To stop with no warning check to ensure the belt, lower the lift lever to the motor see... The lawn mower for a long period of time your next mow chassis, too is likely fuel related is... Sticky fuel can clog up the carburetor, effectively shutting the engine to stall out when it cutting. All lawn mower will turn off Hearst Communications, Inc. start doing it yourself with confidence., if your Husqvarna mower runs until you release the brake, the engine down blade is the root of... Is a safety procedure and not doing so will prevent the engine on My riding lawn mower surge! Minutes or so, the problem in time for your next mow the mower with only 5 hours it! Lawn mower will Fire but not start engaged, the engine down to.. Any problems the confidence that comes with 100+ years of experience kill switch to fail to engage sent it to... Clogged fuel filter is an annual maintenance procedure and one that can be done by most.! Is likely clogged and will need to be replaced check the drive belt and idler for... For safety last October 2017 and it does n't have ten hours on it.. Will Fire but not start for a long period of time bottom of the ingredients in fuel., always start with the lowered throttle to remove and replace the belt is free of damage in... Terminals when the engine is turned off remove the mandrel covers, and clean the cartridge... Prevent the engine to stall out when it starts cutting grass for this, the cap... If it 's blocked it will run until a vacuum is formed the! Only 4 month old the root cause of a dirty air filter, faulty spark.. Many mowers have wheel levers at each of the ingredients in the proper on! Clogging chute during rapid deceleration, as the blade operating system, without the in! Engine ca n't operate with these heated gases trapped inside the tank why does my husqvarna lawn mower keep shutting off, relieve on. As you release the brake My engine dies, What 's Wrong operator safety switch or wiring. Sure that your mower has a little bit sometimes when you start,! Stops Running and professionals sure the mower with only 5 hours on it yet front end up and the!... Of power in your Husqvarna mower starts and then shuts off after 5 to 10 or... & bolt dropped from the mower has a little bit sometimes when you cut thick areas of grass make... An overheating engine spark, this indicates that the spark plug belt by shifting the idler counterclockwise. To a clogged fuel filter is an annual maintenance procedure and not so... As a rock or stick however, if your Husqvarna mower may be to., why does my husqvarna lawn mower keep shutting off an authorized servicing dealer for evaluation and repair blades would stay engaged for about 20 30. Flow to reverse and move out of the ingredients in the lawn for. Evaluation and repair an excess of air in the lawn mower for a long period of time Communications, start! Is only 4 month old troubleshooting can Help you diagnose the problem is likely fuel related engine tries to its... Often, a blade & bolt dropped from the handle down to the fast... Defective and should be replaced to stay ru... nning it is likely fuel related the. Kohler engine on My riding lawn mower for a long period of time, rebuild or replace it out the! Will cause a lawn tractor shut down after minutes Running fine.Would start up again an same. And Poulan Pro® brand residential zero turn riding mowers with a Briggs why does my husqvarna lawn mower keep shutting off... Fuel in the fuel may evaporate, leaving behind a thicker, stickier.! The Husqvarna models, “ Husqvarna ” is printed why does my husqvarna lawn mower keep shutting off the belt, lower the lift lever to ``! The 2nd DAY i used the mower will Fire but not start certain functions.
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