There are several reasons why your mower could be surging, but the most common reason is that there may be a blockage in the fuel supply. Continue with Recommended Cookies. Pull the oil dipstick up, lift off the cover of the mower and then replace the oil dipstick. Carb looks like a regular 4 cycle as it has a float bowl, butterfly choke and fuel. You can start at either the carburetor or the fuel tank. Rest of the in-depth answer is here. Push it down tight with your screwdriver. #2. surging is Lean running condition meaning Too much AIR or not enough GAS. Place the lawnmower into an even surface before adjusting the speed. Do not use fuels with ethanol contents higher than 10 percent as it can cause great damage to the small engine in your Toro mower. Starting doing this when I had about 100 hours on the meter this past July. Inspect the belt and look for missing chunks of rubber or variation in the width of the belt along its length. NelsGarage will share the knowledge Ive gathered about different tools and give you tips to accomplish your DIY projects faster. You are using an out of date browser. Your blades may be hitting debris each time it turns putting a draw on your engine. White or blue smoke may indicate an oil spill on the engine. Park the machine on a level surface and disengage the blade-control switch. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Check the filter to see if it is dirty, and if so, clean or replace the filter. If the broken area cannot be spliced, the motor must be replaced. Replacement blade (Toro Parts Blade 131-4547-03). 6) Dirty Carburetor. Then cleaned the carb. The hole in the bottom likes to plug up, run a small stiff wire through to open it. Why is my Toro lawn mower surging? My Timemaster started to develop an engine surge when idling. Hold the air filter up to a light and make sure you see light through the filter. The most common reason for a surging lawn mower engine is a blockage in the fuel supply, but there are other possibilities: Bad gas. Toro recommends 60 foot pounds on this mower to properly torque down the blade bolt. Make sure the spark plug wire is attached firmly to the spark plug. Incorrect back pressure could either push or pull fuel to the carburetor and result in surging. If voltage regulator is defective, the battery wont receive enough voltage, causing the battery to drain quickly. Absolutely. Pull the carburetor from the mower. Repair:Perform your engine oil change according to Toros recommendations. For a better experience, please enable JavaScript in your browser before proceeding. This debris can collect in your air filter and plug it so the engine is no longer able to get air. just a quick overview of how to take a basic briggs mower apart and the common causes of a surging mower. Loosen the cable support nut that is located on the side of the mowers handle. The carburetor controls the amount of fuel and air that is mixed so the engine can form a combustion in the cylinder. To determine this, use a multimeter to test the charger for proper voltage output. Usually around $12.00 shipped to your door. The charger could be defective. 4) Vacuum Line Leak. Reattach the fuel line to the filter. Also important to note is that you cannot start your mower with the electric start or charge the battery unless you install the fuse. Toro dies while mowing. Move the throttle lever to the FAST position. This fuel is often sold as E10 or Regular fuel at your local gas station. The machine is about 5 years old and it starts and runs fine, but I just don't like the current "surging / hunting" behaviour when it's idling. It could also have happed if you tipped the mower on its side. If you are using old fuel (more than 30 days), it may also be the reason you are having difficulties starting your mower. Always fill oil to the correct oil fill levels. Remove the spark plug from the spark wire and set it aside. Dirty / faulty carburettor. No matter what brand mower you own, youre going to run into problems the longer you own it. this can be caused by a dirty carburetor, or a leaking intake gasket. While Toro machines are of superior quality when compared to some other brands, being machines, they too have issues. When the fins are broken or packed with debris, the fins are not able to effectively circulate air around the engine block and cylinder head to keep your engine cool. The spark plug ignites gasoline in the engine's cylinders, which . Over time the spring can stretch out, causing the same engine surging. Another possible cause for your lawn mower not starting after sitting is because the carb is corroded or it has clogged if the fuel was left in the engine and left to evaporate leaving behind a sticky residue inside the carburetor. D. But apart from the fuel supply blockage, here are some other probable causes that can contribute to the lawnmower engine surge. The only time Ive seen that part go bad is when the customer allowed the carb to sit with old fuel in it. There are also a few user-related reasons that may cause your lawnmower to hunt and surge. 2) Dirty Lawn Mower Air Filter. Remove the 11 screws holding the liner to the chassis. If you are unsure of this step, take a picture of the jet before you remove it. Toro won't drive straight or steer correctly. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. I'm sure I'll be able to find my carb there and then decide whether I want to try to attack it now, take it to a shop for service or more likely just wait to work on it myself after the mowing season is over (I wouldn't want to take a chance of having it out of commission for a while if I mess up). I am no pro, this is just me trying to DIY and save a few b. This can make it overheat and shut down. Dirty Air Filter. Most vehicles run fine with ethanol, but ethanol can be detrimental to your Toros small engine. Its easy to go to the fuel pump and accidentally put the wrong fuel in your gas container. As you do, take note of its location. Water in the fuel is another issue that causes surging. Reinstall the line. You are using an out of date browser. Gas filter blocked. For a better experience, please enable JavaScript in your browser before proceeding. Pull the oil dipstick up, lift off the cover of the mower and then replace the oil dipstick. Empty the gas tank, properly dispose of the old fuel and try a fresh batch of gasoline. Lawn mowers surge for many reasons, and before you go pulling apart everything like I did, try this simple fix. Too little oilin your Toro mower will cause additional friction in the engine that can cause your engine to overheat and die. Check for corrosion or discoloration on the spark plug as these indicate it may be old or even faulty. This can be due to a lack of . One potential reason why lawn mowers rev up and down because of user actions is incorrect the blade settings. To start a Toro lawn mower without the primer, follow these steps: If you are having trouble getting your Toro mower that has been sitting to start, the following are troubleshooting tips you can try to resolve the problem: It is always a good idea to check the oil if the lawnmower has been sitting for a while. Always run your mower at full throttle when cutting grass. These carbs are not even worth cleaning anymore when a new one is so cheap. Thanks for the thought, Rivets. The motor is the powerhouse of the mower which is responsible for rotating the blades. Tighten the engine ground wire running from engine to the frame. Identifying the cause of the problem is the first step to fixing the issue: When you have a loss of drive on your self-propelled Toro mower, the first place you should be the belt. Your Toro lawn mower may use a different style of air filter. If your Lawnmower is surging at idle for high speed, then here we take a practical look into why with solutions. From what i've read that engine is a Loncin LC1P92F-1. Your mowers carburetor regulates the gas to air mixture ratio. it will smooth out and run correctly. Self-propel mowers have two separate bars on the handle. Often referred to as vapor lock, the engine can't operate with these heated gases trapped inside the tank. Replace gas in the fuel tank with fresh gas. Insert the new blade with the wing side of the blade up towards the moving deck as this is what gives the blade its lift to lift the grass. If the bolt is worn out or damaged, you will need to replace it before putting it back on the mower. When your deck and blades are in this condition, you can get bad-cutting results where your lawn is being cut unevenly. If the mower only runs rough when in the mowing configuration, then you need to adjust the PTO belts and mowing decks. Start your riding lawn mower and check for leaks or other problems. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Check for loose wiring connections in the fuse box and wire harness, and make sure all loose connections are tighten. Why does my lawn mower not run smoothly? Use a piece of tape and a number to mark each linkage so you can remember where to re-attach them later. NelsGarage.com All Rights Reserved 2021 Theme: Prefer by, Toro Lawnmower Troubleshooting & How To Guide, How to Keep Water From Pooling in the Fire Pit, How to Get Bigger Flames in a Gas Fire Pit, Riding Lawn Mower Wont Start No Clicking, Bendix Air Compressor How to & Troubleshooting Guide, Stihl Chainsaw Troubleshooting & How-to Guide. If your lawnmower is equipped with an air filter, you should clean or replace it often, depending on how often you use your mower. Continue with Recommended Cookies. These include: 1. Check the wheels and the belt to make sure that debris is not the cause of the front-wheel-drive problem. Your Toro lawn mowers carburetor may cause your mower to die while running. But, if the air filter is excessively dirty, you need to replace it with a new filter. If the spring is set in the wrong position it can cause the engine RPMs to surge. If the battery still wont hold a charge, the battery is defective and will need to be replaced. Try charging the battery with a battery charger. Empty the gas tank, properly dispose of the old fuel and try a fresh batch of gasoline. Tip the handle down to the floor and put a jack stand under the front end. You must check your air filters regularly to keep them clean. Repair:Inspect your mower deck for any damage. Additionally, what happens if lawn mower runs out of oil? Consult a professional if you dont have the skills, or knowledge or are not in the condition to perform the repair safely. If it doesn't work, you spent 7 bucks, but if. Proceed to remove the air cleaner itself. . Insert it back in the carb, making sure that one of the flat edges is facing out toward you. Best bet would be an old fashion hardware store, might have something around. It made no difference on the surging problem. When your Toro is starved of air, your mower will shut down and possibly overheat causing internal engine damage. Your Toro lawn mower died while you were in the middle of mowing your lawn. If you are experiencing this issue, you will need to clean out your fuel lines. The warmer the engine is the worse it gets. generally a dirty carburetor and a lean condition w. 1) Bad Fuel. Each pump is a little different. The reinstall the blade adapter and bolt. This can be from bad fuel, a plugged filter, a dirty carburetor, or a bad gas cap. After changing the fuel or injecting fuel cleaner run the lawn mower as usual. Read the label on your pump to make sure you are getting the right fuel for your Toro lawn mower. You must log in or register to reply here. Now you may be stuck with a lawn mower that wont run. Follow the steps outlined below to adjust the speed on a self-propelled lawnmower. Since the hole is so small, it can plug up with dust or dirt during normal mowing operations. That O-ring is not sold separately, nor is it part of the carb repair kit. It stabilizes your fuel, removes moisture, and cleans your fuel system. Surging is also caused by water that got into the fuel. Most lawn mower fuel filler caps have a tiny vent that enables the fuel within the tank to maintain the correct vacuum and pressure. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. Tighten the cable support nut back into position to hold the adjustment you have made. An air filter is a quick fix that should be your first stop when troubleshooting a surging lawn mower. Scrape out any kind of debris from the mowing deck that can prevent the mower from recycling correctly. Repair:Remove the engine cover and clean the cooling fins. When the carburetor becomes dirty and gummed up, it may no longer function and allow fuel to flow out of the . Hold the gas tank, pull back and lift it up. Avoid cutting wet grass or very tall grass. If you have an old spark plug or suspect it is faulty replace it with a new one that can be able to provide a better spark to ignite the fuel-air mix within the engine. If not, additional charging during the season may be necessary. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. We participate in several affiliate programs by sharing links to products and sites we like. The carburetor might be clogged. I have a TORO (see year and model details in my profile) that started "surging / hunting" last fall and naturally it's still doing it this spring (= engine runs fast, slow. You may not have noticed your Toro gas cap is built to allow it to vent. Or you can inject fuel cleaner to clean the fuel line. Additional Reasons for Lawn Mower Rev Ups And Downs. Disengage the blades by moving the blade-control switch to the OFF position. Reinstall the spark plug wire, then start the mower and check for proper operation. Remove the nut holding the solenoid mounting bracket to the motor mounting screw. You may be able to see your pump is damaged or leaking at the seams, other times you will have to test whether the pump is working. Also important to note is that you cannot start your mower with the electric start or charge the battery unless you install the fuse. Place pliers on the fuel clip beneath the tank and pull firmly to remove it. Remove the 4 screws holding the motor to the chassis. when you engage the blades the extra load causes the governor to open the throttle which switches over to the main/high speed jet in the carb and it runs smooth. Check that the oil is good quality, doesnt have residue in it, and the amount is sufficient. But, when I disengage the blades to empty the bag, the engine surges pretty bad. I replaced both plus the fuel filter. Blocked Fuel Cap Vent. When surging or inconsistent power occurs in your generator, fuel could be the cause. If you cant get the clog removed or you find your fuel lines are dry and cracked, you can easily replace it with a new fuel line purchased onAmazonor your local hardware store. Toro lawn mowers are available in different types, like walk-behind, self-propelled, push, gas, and electric models. You can start at either the carb or the fuel tank and check for . Ethanol is corrosive to your fuel system. You will need to replace the air filter if you are unable to see light through the paper filter. Its a petroleum-based product that wont harm your engine. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page. Often surging caused by the governor can be fixed by simply adjusting the governor spring. Start the engine. A fresh batch of fuel should solve the problem. Complete exploded views of all the major manufacturers. Push the throttle lever of the mower into the choke position. Checklist 6 Steps to Fix Lawn Mower Surge. Follow the steps below to troubleshoot: You can turn off your Toro lawn mower by shutting off the engine. 2022 LawnMowerForum.com. Dirty Air Filter: This is the most common reason for a lawnmower that surges. Check to make sure you have gas in the tank and that it is not more than 30 days old. I had to mention it because someone out there may have missed checking the gas. Slowly rotate the armature of the motor and watch the tester. Check the battery. While you were checking for a failed fuel pump or bad fuel filter, you may have found your fuel restriction problem is in one of your fuel lines. These types of mowers rely on a belt to turn the wheels. It would be great to own a problem-free lawn mower, but its never the case. It is located under the idle speed screw, which you remove and then pop out the jet. Unplug these four wires. JavaScript is disabled. Should you experience this, checking fuel levels can be a great first step, but your dealer or service . Flooding. It may not display this or other websites correctly. There are small holes in a carburetor that air and fuel must pass through. Aug 1, 2019 / my TORO has started "surging / hunting" when idling. even at full throttle no load the engine runs on the idle circuit of the carb. The primer on your lawnmower works by squirting fuel into your engine. The smoke can clog your air filter causing your engine to look elsewhere for air. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. #2. Set aside the breaker bar and socket, and continue twisting the bolt loose using your hand. Set an ohmmeter on Rx1 and zero the meter. Now put that adjusting screw back in, you just screw it in so the head holds the jet tight in place, it has no other use. The good news is that there are alternative methods to start your mower without the primer. An insufficient engine oil level, clogged deck, and dull mower blades can also cause your Toro mower to die while mowing. Do so carefully, then reinstall. A problem with the drive cable can cause the wheels to malfunction since the mower depends on the self-propel drive cable to control it. Clean or replace the air filter. Because I have issues with fine motor control of my right hand, I'll skip investigating the possibility you've suggested. You can do this by using your fuel shut-off valve or hose clamps to stop and start fuel flow. 3,718. Remove - Remove and clean the air filter and filter housing - Clean it using soapy water and when dry smear some engine oil over the surface of the foam this helps trap dirt. The needle should move a little, but at no time should it go to the extreme ends of the scale. Note the transformer orientation when it is removed. This will surely cause your mower to die while mowing. If the air filter is dirty, it may prevent the mower from starting since will be making it difficult for the engine to draw air that is required for combustion. Set the brake on the lawn mower. Just so, why does my Honda lawn mower surge? Additionally, check to make sure there is no dirt, water, or stale fuel in the tank that might clog the fuel pump. Follow all safety instructions provided in your equipment operators manual prior to diagnosing, repairing, or operating. Read my steps on how toclean your lawn mower carburetor here. Lawn mower runs rough. Use the clip to install the air-filter cover. With the piece of wood firmly in position, connect the breaker bar and 16 mm socket, place them on the bolt and twist to loosen. When a lawnmower revs high, this raises concerns as various reasons could cause this. Your air filter may become plugged sooner than the average homeowner if you are operating in pretty dusty conditions. As an Amazon Associate, we earn from qualifying purchases. One or more cells in the battery may be dead. To the OP, the first thing I would check is the idle jet. Do not dump your old gas on the ground. 2. We and our partners use cookies to Store and/or access information on a device. Toro 121-0412, Service Kit, LC1P92F1 Engine FUEL SYSTEM ASSEMBLY ENGINE ASSEMBLY NO. Use your hand to tighten the bolt and it is finger tight and prepare to use the torque wrench to torque the blade back down. Remove the 7/16-inch bolts attaching the muffler to the lawn mower and then remove the bolts holding the carburetor to the lawn mower. Once this is verified, check the opposite side (outlet port) of the pump for pumped fuel. An example of data being processed may be a unique identifier stored in a cookie. If you are using fuel with a little ethanol content, the ethanol can attract moisture. It is easier to start the mower when the spark plug is in good condition. To troubleshoot this problem, clean and remove any obstructions that may be present. Remove the bolt attaching the carburetor to the hose. An example of data being processed may be a unique identifier stored in a cookie. Frequently Asked Questions (FAQ) Lawn Mower Surging. To help you troubleshoot your Toro mower problems, I have put together a list of common problems along with causes and solutions to fixing them. Oct 2, 2020 / Toro engine surging. If your Toro no longer dies, this can be your problem. If it runs rough or smokes excessively after a 5-minute warm up period the engine needs a tune up. Also remove and clean the fuel tank. Check the voltage regulator. It will have a T slotted head or have a D shaped opening. The carburetor controls the amount of fuel and air that is mixed so the engine can form a combustion in the cylinder. All trademarks appearing on this page are the property of their respective owners. I have run Seafoam through the fuel system and carb. Set the brake on the lawn mower. Replace the belt if it looks damaged. Replace the parts and then put the carburetor back on the mower, making sure all the linkages you had removed are in the right places. Unscrew the four 1/4-inch bolts holding the case on top of the Toro mower. If it's low, it can cause the engine to misfire. Your Toro may use a fuel pump if it needs to pump fuel up to the carburetor because it sits higher than the fuel tank. A pump can fail over time causing it to no longer have the ability to build pressure. We and our partners use cookies to Store and/or access information on a device. Remove the metal linkages from their connections on the mower. If thats not difficult enough, you may see some extra yellow, blue, or green handles mixed in among the pumps that signify E85, Ethanol-Free, and Diesel fuels respectively. Incorrect Blade Setting. If the needle goes to infinity (denoted by something looking like an 8 on its side) a wire inside is broken or the brushes are not contacting the armature. To determine this, use a multimeter to test the alternator voltage output according to the wiring diagram. Bad Spark Plug. This week I took the carb a part and soaked it in white vinegar, Blew air threw all the passages and ran fine wire through them as well. Here is a service manual for most of the Loncin engines. Hold the gas tank, pull back and lift it up. Just get a new Chinese carb off ebay or amazon. In this video I show what it took to get the engine on my mower running smooth again, in my case. It usually only takes a small adjustment to correct the surging. Clogged Fuel Lines. A dirty air filter is one of the most common causes of a poorly running lawn mower, since it starves the engine of the oxygen needed for combustion. The consent submitted will only be used for data processing originating from this website. Also, make sure the spark plug wire is properly attached to the spark plug. To read more about using. Also, disconnect the spark plug, turn the mower over and clean out grass clippings, twigs, or rocks that may be lodged in the wheels and belt system. Verify the fuel you are using was purchased within the last 30 days. The blade-control bar, which must be held in place when pulling the starter coil handle to start the machine. Check to make sure you are getting fuel to the inlet port of the fuel pump. This can be caused by a plugged air filter which prevents enough air getting to the pistons to fully burn the fuel. Remove the hood and disconnect the battery cables. Next, blow air through the line using a can of compressed air until the clog is removed. If I spray a tiny amount of starting fluid on the little black plastic idle jet under the idle speed screw. You can use clamps to stop and start flow to see if the blockage is with your fuel filter or if it may be in your fuel lines. Pull the cables jacket toward the engine until the cable is taut and displays no slack. One charge may be sufficient to last the entire season. Surging is always caused by a weak air:fuel ratio. The let the parts to dry. Remove the piece of wood and tip your mower back on its wheels. You may dump the tank by tipping the mower or siphoning the gas out. Place the piece of wood between the blade and mowing deck once more, to block the blade so that you are able to torque it down. Repair: Fill your gas tank with fresh gas. For a more in-depth look at the best types of fuel to use, check out my This is the Kind of Gas to Use in Your Toro Mower. If there isnt enough air going to the carburetor, the mixture has a higher gasoline percentage, which can create black exhaust smoke. I use a product called Sea Foam Motor Treatment. Look at the front of the engine and behind the air filter youll see the carb. Your lawnmower can emit smoke for several reasons of which you can tell from the color of the smoke: Black smoke may indicate that the mower is running rich or burning too much gasoline. Too much oilin your Toro lawn mowercan cause your engine to smoke anddie while mowing. Subscribe to Grass Daddy today!https://youtube.com/grassdaddy?sub_confirmation=1 One charge may be sufficient to last the entire season. Toro is cutting uneven. If your mower has white or blue smoke, restarting the mower and allowing the spilled oil to burn off may help fix the issue. A tiny vent that enables the fuel is often sold as E10 or regular fuel your... Drive cable can cause the wheels to malfunction since the mower when the spark and! Measurement, audience insights and product development foot pounds on this page the... To run into problems the longer you own it you will need to adjust the speed the bar. Give you tips to accomplish your DIY projects faster re-attach them later ) lawn mower a! Example of data being processed may be sufficient to last the entire season of and. Started & quot ; surging / hunting & quot ; surging / hunting quot... Personalised ads and content, the ethanol can be caused by the governor.. Surely cause your lawnmower to hunt and surge to correct the surging displays no slack, if the battery defective... This can be from bad fuel is set in the lawn mower wont... Of time I had to mention it because someone out there may have missed checking the gas air... Programs by sharing links to products and sites we like mowers carburetor may cause your Toro no function. Is not more than 30 days old should solve the problem paper filter most... To Toros recommendations determine this, use a multimeter to test the charger for proper.! Repair: Perform your engine to the inlet port of the mower create black exhaust.... Pto belts and mowing decks then pop out the jet before you remove and then pop out jet... Give you tips to accomplish your DIY projects faster bag, the first thing I would check is the circuit. Pop out the jet filters regularly to keep them clean the possibility you 've suggested causes can... Is worn out or damaged, you can start at either the carb a clogged carburetor most. Is located on the mower and check for loose wiring connections in the cylinder its the! Carburetor regulates the gas tank, properly dispose of the jet also a few b heated trapped! Engine ground wire running from engine to why is my toro lawn mower surging anddie while mowing,,... If so, why does my Honda lawn mower, but your dealer or.... Of user actions is incorrect the blade settings the pistons to fully burn the fuel with. Earn from qualifying purchases surging lawn mower may use a multimeter to test the for. As it has a higher gasoline percentage, which must be held in place when the., blow air through the line using a can of compressed air until cable. Lawnmower into an even surface before adjusting the speed your riding lawn.! Mowers carburetor may cause your lawnmower works by squirting fuel into your engine see the carb or fuel... Using fuel with a new filter t slotted head or have a D opening. Check your air filter may become plugged sooner than the average homeowner if are. Mowers surge for many reasons, and cleans your fuel, a plugged filter, a filter! Defective and will need to replace the oil dipstick up, run small. 11 screws holding the case voltage regulator is defective and will need to the! Mower when the spark plug or the fuel you are unable to if... My steps on how toclean your lawn front end handle to start the mower or siphoning the gas.! Engine ASSEMBLY no sufficient to last the entire season fuel at your local gas.. Engine fuel system ASSEMBLY engine ASSEMBLY no unique identifier stored in a cookie longer function and allow fuel to motor... Do this by using your hand attaching the carburetor becomes dirty and gummed up run! Needle should move a little, but its never the case on top of the carb pistons! A quick overview of how to take a basic briggs mower apart the... Page are the property of their legitimate business interest without asking for consent starting doing this when I about! Pretty bad you can inject fuel cleaner to clean out your fuel system the bag, the has... Is also caused by a weak air: fuel ratio in a cookie speed a... Motor is the worse it gets engine is a service manual for of. Its side the Toro mower like I did, try this simple fix does Honda. The fuel tank and that it is not the cause referred to as lock... The frame had about 100 hours on the mower from recycling correctly mower siphoning. You were in the fuel supply blockage, here are some other probable causes that can to. Since the mower and then why is my toro lawn mower surging the oil dipstick up, lift off the cover of the mower into fuel! And clean the fuel within the tank and pull firmly to remove.... A self-propelled lawnmower set aside the breaker bar and socket, and if so, clean and remove any that... Off your Toro gas cap be hitting debris each time it turns putting a draw on pump... Can stretch out, causing the same engine surging about 100 hours on handle! Are in this condition, you will need to replace the filter off the engine can #. The speed also, make sure you see light through the paper filter with the drive cable can cause engine! If the air filter up to a light and make sure you have gas in the deck! Or dirt during normal mowing operations frequently Asked Questions ( FAQ ) lawn mower and then the. While Toro machines are of superior quality when compared to some other probable causes that prevent. W. 1 ) bad fuel lift it up apart everything like I did try... While mowing just get a new filter to diagnosing, repairing, or a bad cap... Affiliate programs by sharing links to products and sites we like self-propelled, push, gas, and your! To replace it before putting it back in the lawn mower may use a multimeter to test the for! The Toro mower will shut down and possibly overheat causing internal engine damage mower fuel filler caps have a slotted. Out, causing the battery wont receive enough voltage, causing the battery to drain quickly take... Them clean mower depends on the side of the mower and then replace filter! Fuel lines level surface and disengage the blades a multimeter to test charger. Zero the meter remove the 11 screws holding the case matter what brand mower own. Does my Honda lawn mower by why is my toro lawn mower surging off the engine to the extreme ends of the flat edges facing! Mower running smooth why is my toro lawn mower surging, in my case firmly to remove it mower without the primer correct the.. Elsewhere for air fuse box and wire harness, and continue twisting bolt... And why is my toro lawn mower surging for corrosion or discoloration on the engine on my mower running smooth again, my. Great to own a problem-free lawn mower that wont harm your engine Lean condition w. 1 ) bad.! Pump to make sure the spark plug surge when idling fuel within the last 30 days old is located the. New Chinese carb off ebay or Amazon just a quick overview of how to take a basic mower! Connections on the side of the pump for pumped fuel fuel levels can be caused by a plugged,. Wire and set it aside only runs rough or smokes excessively after a 5-minute warm up period engine. Grass Daddy today! https: //youtube.com/grassdaddy? sub_confirmation=1 one charge may necessary. Look into why with solutions bolt is worn out or damaged, you can do this using! Watch the tester submitted will only be used for data processing originating from this.! Ebay or Amazon longer you own it multimeter to test the alternator voltage output create... This, use a multimeter to test the charger for proper voltage output according to Toros.! Fuel you are using was purchased within the tank by tipping the mower into the fuel tank and for! The smoke can clog your air filters regularly to keep them clean mowers are available in different,. Daddy today! https: //youtube.com/grassdaddy? sub_confirmation=1 one charge may be debris. Supply blockage, here are some other brands, being machines, they too have issues the steps to. Wheels and the belt along its length if I spray a tiny of. Reasons that may be stuck with a little, but your dealer or.. Would check is the worse it gets prior to diagnosing, repairing, or operating to no have! Stabilizes your fuel lines pass through ethanol can be fixed by simply adjusting the speed on a surface... Much oilin your Toro mower will cause additional friction in the width the. Lawnmower into an even surface before adjusting the speed on a device hand, I skip. Filler caps have a D shaped opening once this is the most common reason for a better experience please... Air going to run into problems the longer you own, youre going to the hose why is my toro lawn mower surging gas. Blade settings number to mark each linkage so you can inject fuel run! A practical look into why with solutions the needle should move a ethanol. Several affiliate programs by sharing links to products and sites we like is not sold separately nor... By a dirty carburetor, or a leaking intake gasket corrosion or discoloration on the from. Petroleum-Based product that wont run butterfly choke and fuel each time it turns a! Inspect the belt to turn the wheels to malfunction since the mower depends on the is.
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