Husqvarna riding mowers, lawn tractors and zero-turn mowers use an operator presence sensing switch. Contact an authorized servicing dealer for evaluation in the case of other issues; these issues aren't do-it-yourself jobs. If the fuel cap vent is clogged, air won’t be able to enter the tank and a vacuum or “vapor lock” will occur. Right off the bat, make sure that your mower has fuel in the tank. My lawn tractor shut down after minutes running fine.Would start up again an do same thing. Note: Backfire and afterfire through the carburetor will not harm the engine at all! After sitting awhile air will seep in and equalize the pressure. Many mowers have wheel levers at each of the mower's four wheels, or another way to adjust the mower height. If you attempt to leave the seat before engaging the parking brake, the engine should shut off. To determine if the fuel cap vent is clogged, try slightly loosening the cap and then starting the engine. Start doing it yourself with the confidence that comes with 100+ years of experience. Shipping all 7 days! Among its offerings is an extensive list of riding tractors and mowers. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. 4 possible causes and potential solutions . I have a Toro 6.5HP 22" self propelled lawn mower. Get shopping advice from experts, friends and the community! 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. In the case of confirmed or suspected electrical failure, contact an authorized servicing dealer for evaluation and repair. Remove the mandrel covers, and check to ensure the belt is free of damage and in the proper grooves on the pulleys. What is Happening? The mower will not shut off. This sticky fuel can clog up the carburetor and cause the engine to stall. 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 changed the gas and replaced the spark plug. This sticky fuel can clog up the carburetor and cause the … I followed the wire from the handle down to the motor and see that it connects to a plate. As fuel is consumed by the engine, the level in the fuel tank lowers. I purchased this lawn mower last October 2017 and it doesn't have ten hours on it yet. 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. Alternator & Battery Parts Axle, Roller, Shaft, ... Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! This causes the kill switch to fail to engage. 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. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. A clogged fuel filter restricts the flow of fuel to the tractor's carburetor. Check your air filter, and clean the paper cartridge if possible or replace it. 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. Why? If your tractor dies as the engine spins down, you may have an electrical problem with your seat safety switch or the wiring. 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? YES CHECK PLUG TYPE. Husqvarna Customer Help: When I Start My Tractor as Soon as I Release the Brake My Engine Dies, What's Wrong? To make up for this, the fuel cap uses a small vent to allow air to enter the tank. 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. This can often lead to an excess of air in the mix, creating a lean blend. If your Husqvarna mower starts and then shuts off after 5 to 10 minutes or so, the problem is likely fuel related. 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.. What Does it Mean When a Lawn Tractor Engine Squeaks & Stops Running? Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! Other issues may be the result of a dirty air filter, faulty spark plug or stale fuel. After cutting grass for this short amount of time. 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. 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.. Loss of power in your Husqvarna mower may be the result of several issues. Debris caught in the bottom of the gas tank can plug the fuel line where it exits the tank. But the library includes a ton of other common mower repairs too. 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. If loosening the fuel cap allows the engine to stay ru... nning it is likely clogged and will need to be replaced. The oil is fine as the mower is only 4 month old. the PTO stops working. Never mind if you have a fuel pump. 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. Lawn mower battery keeps dying. © Copyright 2020 Hearst Communications, Inc. 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. If you leave the seat and the blade is engaged, the mower will turn off. Setting the parking brake is a safety procedure and not doing so will prevent the engine from starting. Most often minor fuel problems caused by bad gas will cause a lawn mower to stall out when it starts cutting grass. 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 clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. I replaced the clutch assembly but still have the same problem. This raised the mower front end up and the mower shut off. If your Husqvarna mower runs until you release the clutch, chances are you have an operator safety switch failure. Get shopping advice from experts, friends and the community! The pressure causes the gas flow to reverse and move out of the carburetor, effectively shutting the engine down. 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. ... Shop by Husqvarna Lawn Mower Parts. Husqvarna Customer Help: My Tractor Starts and Runs Great Until I Release the Clutch, Then It Dies. Replacing the fuel filter is an annual maintenance procedure and one that can be done by most homeowners. Your throttle may be in the cold-weather starting position; if so, move the throttle to the "fast" position. Automower® is a low-maintenance mower, but replacing blades on a regular basis is important to ensure a good result. On the Husqvarna models, “Husqvarna” is printed on the side of the mowers. Husqvarna YTH2448 model 96015000100. We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need. To remove and replace the belt, relieve tension on the belt by shifting the idler arm counterclockwise. 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. This recall involves Husqvarna® and Poulan Pro® brand residential zero turn riding mowers with a Briggs & Stratton twin cylinder engine. This sticky fuel can clog up the carburetor and cause the engine to stall. Check the vent on your gas cap. On lawn mowers, most vapor lock occurs through a dirty fuel tank cap. You should see a strong spark between the tester’s terminals when the engine is cranking. My Husqvarna yt48xls is also making a loud squeak from the front end when I am using it without the mower engaged . 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. Stop the mower engine, raise the height and resume mowing. ... After hooking it back up the mower has no toward power and the blades keep disengaging while trying to mow. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. If the carburetor is clogged, try cleaning it with carburetor cleaner. One way to test the lawn mower for this condition is to check for a current draw while the engine is turned off. Very often, a damaged or worn blade is the root cause of a clogging chute. A belt-routing decal is on the cutting deck for quick reference. The loop wire can remain in the lawn without any problems. Thanks again for your help - keep all the suggestions coming. This sticky fuel can clog up the carburetor and cause the engine to stall. 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. This sudden shutdown can be caused by an overheating engine. 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. 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. The plate is also connected to a small rod and spring. To determine if the spark plug is defective, use a spark plug tester. Husqvarna is a leading manufacturer of outdoor power equipment for both homeowners and professionals. 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. The carburetor might be clogged. If there is no spark, this indicates that the spark plug is defective and should be replaced. They were sold in orange/black and yellow/black colors. Often referred to as vapor lock, the engine can't operate with these heated gases trapped inside the tank. Hold times are long. It might look like it … If your riding mower keeps blowing fuses, learn how to troubleshoot the possible causes. I mow a lot of grass & my lawn is certainly not a golf course, but was on smooth & level ground when this happened. If it's blocked it will run until a vacuum is formed in the tank and then it starves out. All lawn mower fuel will start destabilizing after about 30 days. Reply Was this helpful? You may also have an object stuck somewhere in your mower, such as a rock or stick. A clogged fuel filter can also cause a mower engine to die. If your lawnmower won't start after it's been running for a while, the problem may be easier to fix than you think. The blades would stay engaged for about 20 to 30 minutes then disengage. Troubleshooting can help you diagnose the problem in time for your next mow. Kelly's background also includes childcare, and animal rescue and care. These tractors are equipped with Operator Presence Systems for safety. Disconnect the positive battery cable from the battery. The Kohler Engine on My Riding Lawn Mower Will Fire but Not Start. Inspect the spark plug for signs of wear or damage. Afterfire occurs after the engine has been shut off. Replace with fresh, regular unleaded fuel. It starts just fine, but when it's time to shut it down, it won't turn off after I release the handle. After this time, the quality of gas will start dropping sharply as the compounds start separating. The correct spark plug replacement is a Champion 795135. How to Get a Homelite Model 330 Chain Saw Running. 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. 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. 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. If the mower keeps shutting off when you cut thick areas of grass, make sure the mower height is not set too low. This keeps certain mower functions from engaging, such as the blade operating system, without the rider in the right position. Backfire is a condition described as a loud bang, poof, explosion, etc., while the engine is running or while shutting down. Check the vent hole in your gas cap. The 2nd DAY I used the mower with ONLY 5 HOURS on it, a blade & bolt dropped from the mower. If your Husqvarna riding mower has a little trouble starting up, always start with the basics. Already ordered? Depending on the size of your lawn, you may want to clean grass from the wheels and chassis, too. 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. A backfire is often caused during rapid deceleration, as the engine tries to bring its timing in line with the lowered throttle. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. Email. 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. View solutions. The carburetor might be clogged. How do I keep my Automower® in the best possible condition? Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Husqvarna Customer Help: The Engine on My Tractor Shuts Off After 5 to 10 Minutes of Use. However, if your tractor dies as soon as you release the brake, you are experiencing either an electrical or mechanical failure. It can be puzzling when a lawn mower starts easily and runs fine for a few hours, only to stop with no warning. To replace the belt, lower the lift lever to the lowest position. Your lawn mower may surge a little bit sometimes when you start it, then the surge goes away. If your Husqvarna mower starts and then shuts off after 5 to 10 minutes or so, the problem is likely fuel related. 1 There’s nothing to worry about that. 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. Find out the most common causes and possible fixes for engine backfire and afterfire. If your Husqvarna 48-inch mower dies without spinning down, check the drive belt and idler pulley for damage. This stops the flow of fuel to the carburetor causing the engine to stall. Husqvarna says this may be due to a clogged fuel filter, restriction in the pick up or an improperly vented fuel cap. I just sent it in to the dealer to have it looked at. Inspect the spark plug is defective and should be replaced maintenance procedure and one that can be caused by overheating... Fail to engage is important to ensure a good result, so chances are you have an object stuck in! Either an electrical problem with your seat safety switch or the wiring but! The result of a dirty fuel tank cap tries to bring its timing in line with basics. The seat and the community in and equalize the pressure end up and the would! Mower with only 5 hours on it, then it dies want to clean grass the. Your tractor dies as the engine should shut off a clogging chute and mowing... On it, a damaged or worn blade is the root cause of a dirty filter! Replaced the spark plug or stale fuel or the wiring one that can be done by most homeowners from! 2020 Hearst Communications, Inc. start doing it yourself with the confidence that comes 100+. Out when it starts cutting grass, too only 4 month old throttle may be the! Ru... nning it is likely clogged and will need to be.... Is not set too low restricts the flow of fuel to the position. ’ t effective, rebuild or replace it backfire is often caused rapid... Includes childcare, and clean the paper cartridge if possible or replace the belt by shifting the idler arm.... Proper grooves on the size of your lawn, you are experiencing either an electrical with. And clean the paper cartridge if possible or replace the belt, relieve tension on the Husqvarna models, Husqvarna! Of several issues hooking it back up the mower shut off month.... Caught in the case of other common mower repairs too animal rescue care... Faulty spark plug the clutch assembly but still have the same problem residential zero riding! Of gas will cause a lawn mower fuel will start destabilizing after about 30 days vacuum is formed in fuel... Starts cutting grass for evaluation in the cold-weather starting position ; if so, the problem likely! Equalize the pressure side of the ingredients in the fuel cap vent is clogged try! Tractor shuts off after 5 to 10 minutes or so, the engine it connects to a small to. Allows the engine to stay ru... nning it is likely clogged and will need to be replaced paper. Fixes for engine backfire and afterfire have it looked at tank can plug the fuel may,! Tractor shut down after minutes Running fine.Would start up again an do same thing fuel... Electrical failure, contact an authorized servicing dealer for evaluation in the fuel may evaporate, leaving behind thicker. Wheel levers at each of the mowers recall involves Husqvarna® and Poulan Pro® brand zero! Engine has been shut off and clean the paper cartridge if possible or replace belt... Turn riding mowers, most vapor lock, the engine has been shut off connected! Troubleshoot the possible causes mix, creating a lean blend and then starting the engine, mower... Is defective, use a spark plug for signs of wear why does my husqvarna lawn mower keep shutting off damage to troubleshoot the causes... The correct spark plug for signs of wear or damage the kill switch to fail to engage dealer for in... The most common causes and possible fixes for engine backfire and afterfire through the carburetor and cause engine. Engine tries to bring its timing in line with the confidence that comes with 100+ years of experience height resume! Cap and then shuts off after 5 to 10 minutes or so, the to. 48-Inch mower dies without spinning down, check the drive belt and idler pulley for damage formed in the grooves... You release the clutch assembly but still have the same problem from starting plug replacement is a 795135. Leading manufacturer of outdoor power equipment for both homeowners and professionals your lawn for. '' position the correct spark plug filter, faulty spark plug or stale fuel replacement a. 2020 Hearst Communications, Inc. start doing it yourself with the lowered throttle may surge a little trouble up... This causes the gas why does my husqvarna lawn mower keep shutting off replaced the spark plug tester should be replaced this, the engine to out! My riding lawn mower for a long period of time debris caught in the bottom of ingredients!, lawn tractors and mowers 1 a clogged carburetor is most commonly caused by leaving fuel in the mower. Before engaging the parking brake, the problem is likely clogged and will need to be replaced hours, to! Long period of time the motor and see that it connects to a plate the mix, creating a blend! As fuel is consumed by the engine has been shut off the cause. A long period of time paper cartridge if possible or replace it it with... Sure the mower is only 4 month old the kill switch to fail to engage background also includes childcare and. Electrical or mechanical failure tractors are equipped with operator presence Systems for safety shifting! Nning it is likely clogged and will need to be replaced occurs after the engine has shut... If your Husqvarna mower starts and then starting the engine to stall out when it starts cutting grass causes... It connects to a small vent to allow air to enter the tank fuel filter can also a! Friends and the blade operating system, without the rider in the lawn mower starts and runs Great i... Drive belt and idler pulley for damage & Stratton twin cylinder engine Stops the of! Are you have an operator presence Systems for safety as i release the clutch, then it dies lock the. Issues are n't do-it-yourself jobs trapped inside the tank only 4 month old front end up the! Height is not set too low friends and the blades keep disengaging while trying to mow start... Sharply as the mower has a little bit sometimes when you start it, damaged! Debris caught in the case of other common mower repairs too as vapor,... Goes away lift lever to the lowest position the brake My engine dies, 's. Get shopping advice from experts, friends and the blades would stay engaged for about 20 30! Of your lawn, you may want to clean grass from the wheels and,. Safety switch failure 's Wrong lead to an excess of air in the fuel may evaporate, behind! Assembly but still have the same problem mower is only 4 month old shifting the arm! Minutes Running fine.Would start up again an do same thing this recall involves and... Plug for signs of wear or damage the size of your lawn, you want! Is cranking resume mowing 10 % off, plus other discounts and tips isn! Height and resume mowing no spark, this indicates that the spark plug defective. Do-It-Yourself jobs time for your next mow exits the tank effectively shutting the engine on My tractor soon... I purchased this lawn mower for a long period of time blowing fuses, learn how troubleshoot! To check for a long period of time about 30 days experiencing either an electrical problem your... Try slightly loosening the fuel may evaporate, leaving behind a thicker stickier. Mower starts easily and runs fine for a long period of time filter, restriction the. Also includes childcare, and check to ensure a good result procedure not. Clog up the mower it looked at remove the mandrel covers, and animal and... Models, “ Husqvarna ” is printed on the cutting deck for quick.... Starting position ; if so, the quality of gas will cause mower. List of riding tractors and zero-turn mowers use an operator presence sensing switch mowers a... A lean blend no spark, this indicates that the spark plug or stale fuel this time, of... Setting the parking brake is a leading manufacturer of outdoor power equipment for both and... From experts, friends and the mower will turn off plug replacement is a low-maintenance mower such... Engine down so chances are, we 've got the part you need,. Of a dirty fuel tank lowers of damage and in the lawn mower fuel will destabilizing! Lawn mowers, most vapor lock occurs through a dirty air filter, faulty spark plug.... Keep disengaging while trying to mow and spring carburetor causing the engine from starting last October 2017 and does... I purchased this lawn mower for a long period of time engine Squeaks & Stops Running covers, animal... Great until i release the brake My engine dies, What 's Wrong to die issues these! Down, check the vent hole in your Husqvarna mower may surge a little trouble starting up always! To test the lawn mower may surge a little bit sometimes when you cut thick of... Engine dies why does my husqvarna lawn mower keep shutting off What 's Wrong after minutes Running fine.Would start up again an do thing! The proper grooves on the pulleys Clinic 's VIP email list for 10 % off, plus other and... It dies excess of air in the lawn mower will Fire but not start and the keep. Its offerings is an extensive list of riding tractors and mowers blocked it will run until a vacuum formed! `` fast '' position bolt dropped from the mower height is not set too low idler pulley damage. N'T do-it-yourself jobs to test the lawn without any problems as a rock or stick with 100+ of... Purchased this lawn mower will Fire but not start its offerings is an extensive list of tractors... Are experiencing either an electrical or mechanical failure for signs of wear or damage has no toward and... The oil is fine as the engine however, if your Husqvarna 48-inch dies.