ryobi leaf blower won t stay running

Posted By on January 9, 2021

This creates a bigger pull on the fuel coming through the fuel tank, which can allow enough fuel to be drawn through the clogged filter for the engine to run. About 7 years old, very few hours on it. It will leave a sticky residue which prevents the engine from starting. 39,107 satisfied customers. Time required 60 minutes or less. When your Gas Leaf Blower Quits Working Getting Your Gas Leaf Blower to Start Again. Click here for Paul’s author page, Soil Aeration Methods: How To Improve Porosity In Your Lawn. Reinstall carb and fuel lines and air cleaner. The choke is off and the gas is new (few months anyway). Another cause could be that there is a leak in the fuel line that is limiting the amount of fuel that reaches the combustion chamber. I shut it down for a few minutes and it wouldn't start back up. There is fuel in the priming bulb and it will start right up again when I pull the cord. If the air filter in your leaf blower is partially plugged, it can cause your engine to run, but die at full throttle. The fuel pipes are made of rubbery plastic which can degrade and leak fuel as well as draw in air through any gaps. Another way to test this is to try to run the leaf blower with the fuel tank cap loose or removed but only do this for testing purposes. Or it might even run rough. Leaf Blower will cuts off after 2-3 minutes #577279 11/20/09 06:55 PM 11/20/09 06:55 PM: Joined: Aug 2009 Posts: 22. The air filter is designed to prevent debris from entering the engine, and over time this debris can accumulate and lead to a clog. I have a model # 358.797340 25cc 205mph craftsman leaf blower/sucker. Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! The fuel pump diaphragm in the carburetor’s pulse line acts to transfer the vacuum from the engine to the carburetor and finally to the fuel tank to keep drawing fuel through the leaf blower’s fuel system using negative pressure. If cleaning the carburetor … I’ve heard a lot of people argue that this is incorrect – that choking the engine won’t increase the fuel flow if the filter is obstructed, but that’s not what the choke actually does. This issue is similar to reported problems of blowers bogging down, losing power or keeping stalling at full or increasing throttle. If the crankcase seals do not hold pressure & vacuum the blower will not run. Associate Degree. The degradation of the fuel line can be accelerated if you are using a high ethanol content fuel. Depending on the different symptoms you will need to troubleshoot, so that you don’t have a dispensable leaf blower in your hands. Leaf blower running rough. He knows exactly what the challenges are to nurturing a thriving yard in difficult soil. I replaced the lines properly. The degradation of the … There can be a number of underlying issues but these are common causes and each of them has a fairly simple solution. Location: Mi-Wuk Village; Read more... blower vacuum Ryobi leaf Sponsored Link If the carburetor is clogged, try cleaning it with carburetor cleaner. That will cause the amount of fuel in the air-to-fuel ratio to be too low. Starts but won´t stay running... has all attachments including leaf vacuum bag. Examples provided of tested products are actual products owned, tested, and used regularly by the author. The carburetor inside a leaf blower uses several plastic diaphragms to bring fuel into the carburetor, mix and measure the fuel and send it off to the cylinder. If you are uncertain about the age or mixture of the fuel, empty the tank and refill it with a proper mixture. It’s difficult to improve the soil in an established lawn without tearing up the grass and starting over, which is expensive and time consuming. 5 possible causes and potential solutions . I have a Ryobi BP42 Leaf Blower. Your spark plug can be damaged in several ways. This is where air can flow in and out of the carburetor, which you’ll learn is important to the normal flow of fuel through the fuel system. No Video Available. Because of the open exhaust gap in the carburetor, there will be less of a vacuum build-up in from the piston’s movements. To test if this is what’s causing your leaf blower to only run on choke, run the leaf blower for a few minutes with the choke engaged and slowly undo the fuel tank cap and listen for air rushing into the fuel tank. Read more. If your leaf blower is struggling for power and suddenly dying as soon as you increase the throttle, the explanation may very well be a clogged fuel filter. Ryobi gas blower /vacuum. Shipping all 7 days! Reason 3: A Fuel Line Leak. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Curtis B. When the choke is in the “off” or “run” position, the choke butterfly opens up, which allows more air into the carburetor. At best, it will run at half throttle, but never at peak rpm. Technician. The gas engine on your leaf blower needs to operate at a specific temperature: hot enough to burn the fuel and give the engine power but cool enough not to overheat the piston. What to Do When a Ryobi 4-Cycle Trimmer Won't Start. Enter model number to search for the required part specific to your product. It turned over, but wouldn't start, no matter where I set the 3 position choke. Why does my leaf blower only run on choke? When your gas blower won’t start after several tries, you will need to check on a few things. If there isn’t enough fuel for the engine to achieve combustion, the engine won’t be able to power the leaf blower efficiently and will sputter or completely shut off without the choke engaged. If the fuel filter is partially clogged with debris or dirt, the fuel filtration rate into the fuel line and carburetor will be limited. The troubleshooting points outlined in this article may help you to identify the cause. After 3-5 minutes, it seems to loose power and eventually shuts off. To really get a good understanding of the combustion process of a 2-stroke yard tool and some great troubleshooting tips, watch this video from eReplacementParts: The reason it’s important to turn off the choke once the engine is warm is that a lower fuel to air ratio allows for more efficient use of gasoline. It was running fine, then would just run for 5 seconds and die. There are two plastic tubes running from the gas tank to the carb(one clear/one tinted), but I don't see any fuel filter. No Video Available. 11 possible causes and potential solutions . Final Words on How to Fix a Leaf Blower That Won’t Start. When the leaf blower’s engine is started, the pistons within the engine start to lower and pressure is transferred from the engine compartment through the carburetor, which pushes down on the fuel pump diaphragm on the pulse line. These diaphragms can warp after several seasons of use. The engaged choke compensates for the partially clogged filter, but this is not the way you need to be running the engine. This means emptying the gas tank and flushing fresh fuel through the gas pipes. Seems like a fuel supply problem. View solutions. With the choke engaged, the vacuum from the piston’s movement will pull more strongly on the fuel to draw it into the engine. The engine probably starts because gas enters the cylinder when you press the primer bulb. Take it to a professional for servicing. This is because the choke is only meant to be turned on when the engine is cold as closing the exhaust gap helps the engine start more easily and this isn’t needed when the engine has warmed up if everything is functioning normally. At the top of the fuel tank, the opening where you pour in fuel has a cap that usually includes a breather valve that allows air to fill the tank as it empties of fuel. Steve’s Small Engine Saloon has an excellent video demonstration on this process. Their small, handheld design and powerful trimmer … Required Part. If your leaf blower hasn’t been used for while, old fuel may have degraded in the carburetor. I have a Craftsman Blower/Vac Mulcher. A McCulloch chain saw that won't keep running may have a major problem. Three common reasons for this are: Understand that these are not the only reasons why your leaf blower engine may not run unless the choke is on. Electric leaf blowers are a straightforward piece of equipment that many gardeners use. The compression of the engine’s pistons allows fuel and air to flow through the carburetor in specific ratios for each cycle (source). Other than the causes mentioned above, your leaf blower might not start if the engine is at fault. I did not replace the filter. A. Hold times are long. My Ryobi 340BV blower ran fine all during the fall. Unfortunately, a saw that won't keep running often has a carburettor problem that requires a visit to a repair shop. An engaged choke can help draw harder on fuel from the fuel tank, which stops the engine from being bogged down by the excess air. Because of how many working parts there are to the fuel system, the reason that the engine is not getting enough fuel can come from any point in the fuel’s journey from the fuel tank to the combustion chamber (source). If this is the reason your leaf blower won’t run without the choke tank cap or breather valve need to be replaced. Leaf blower starts then dies. Report This by Manage My Life. The resulting mixture in the combustion chamber will have a lower fuel to air ratio, which is a better mix for the engine to run on when its warm. Towards the end of the season, I had started it multiple times over the course of a couple of hours, so it was fully warmed up. This warping will cause the fuel to stop moving through the entire circuit, and the engine will shut off. What could be the problem and what should I try? A. a1handy OP newbie a1handy OP newbie. This site is a participant in affiliate programs such as Amazon Associates and earns from qualifying purchases. The carburetor might be clogged. That is, as long as you leave the choke on. When fuel leaves the fuel tank of your leaf blower, it passes through the fuel filter before entering the carburetor and then eventually engine and its combustion chamber. Gas powered Leaf blower problem - It will not stay running. Just because your leaf blower won’t start doesn’t mean it needs to be replaced completely. If this is the reason your leaf blower won’t run without the choke tank cap or breather valve need to be replaced. Over time, some of the ingredients in the fuel may evaporate..., leaving behind a thicker, stickier substance. Ryobi 2 cycle leaf Blower repair. At the start, when the choke is engaged and the exhaust gap in the carburetor is closed, there is a high fuel to air ratio that makes it easier for combustion to occur in the cold engine. As the pistons begin to cycle up and down, these movements physically draw fuel through the carburetor’s fuel line as the engine pistons create an air vacuum (source). He takes a practical approach to yard improvement and enjoys putting best practices and “golden rules of lawn care” to the test. I Took it apart found the fuel lines disinigrated. I can get it to start just fine and it will go to full RPM when I hit the throttle but weather it is full throttle or just idle, it will kill after about 5-7 seconds or so every time. Gas Snowblower: Won't stay running If your engine only runs for a few seconds and then shuts off, you could have a gummed-up carburetor. You can quickly fix this with a fuel filter replacement if you find the filter to be the issue. The air filter may be clogged or dirty. As the piston keeps cycling, the diaphragms in the carburetor move up and down to pull the fuel through to the engine at a consistent rate to allow combustion to efficiently power the leaf blower. 6 possible causes and potential solutions . Paul has a two-acre yard on red clay soil in Southeast Texas. Anything that keeps fuel from flowing through this system normally can contribute to the problems that cause your leaf blower to need the choke being engaged to run. 05 - Air Filter. A clogged carburetor is most commonly caused by leaving fuel in the leaf blower for a long period of time. An overheating problem in the leaf blower is generally caused by a failure to vent gases or the fuel burning too hot inside the cylinder. Read more. Amazon has put together some great Home Holiday Guide Deals - save money and get your holiday shopping done! Product recommendations not personally owned are based on the author’s knowledge of the company, product, reliability, and reputation. If one is not working properly, the problem will be small and probably not difficult to locate. The fuel filter is located at the end of the fuel line inside the gas tank. If the breather valve is blocked, then a secondary vacuum is created within the fuel tank that pulls on the fuel in the opposite direction of the vacuum in the carburetor. Click Here to see the latest deals (link To Amazon). That means less fuel will be pulled into the carburetor. Rotate the screw clockwise again to the highest engine speed before the blower starts working. That still doesn’t mean that the engine will run well under these conditions, so you should examine your fuel line for any noticeable leaks. The engine will run several cycles like this until the engine warms up enough for that the choke can be disengaged. If these gaskets are damaged, they will not be able to form a seal, and can let excess air into the engine, causing it to run lean. Can't pull cord. Another cause could be that there is a leak in the fuel line that is limiting the amount of fuel that reaches the combustion chamber. Have a blower that starts but won't run off half choke ... hello, my Ryobi leaf blower (back pack type) pull cord is stuck. I get how frustrating this can be but a leaf blower that will only run on choke is usually struggling with the air-to-fuel ratio. Remember that issues with the air-to-fuel ratio is usually what causes a 2-stroke engine to only run with the choke engaged. This is usually a sign that the engine isn’t getting the proper fuel-to-air ratio. If you notice one of your blower’s gaskets are damaged, they will usually … Replace the leaf blower fuel filter. It’s possible that this ratio needs to be adjusted in the carburetor itself. Repair difficulty. I have a Ryobi BP42 Leaf Blower. Browse our parts categories to select from a variety of parts for your product. Carb needs a rebuild kit. Remember that when you engage the choke, it closes the exhaust gap in the carburetor and allows the air vacuum from the engine piston action to build up stronger. My Ryobi 410r 31cc starts but will not keep running I have installed a new and it run for about 2 hours and will now - Answered by a verified Technician . The tubing that carries the fuel from the fuel tank and the carburetor is called the pulse line. Tighten all screws and nuts tightly. Easy repair to keep this boss in the game. The engine dies if a gummed-up carburetor doesn't supply the engine with needed fuel to keep it running. Joined: Aug 2009 Posts: 22: I have a two stroke leaf blower that starts easily and runs great for about 3-5 minutes. View solutions. As a result, the fuel can’t flow freely through the fuel filter to reach the carburetor and engine to power the leaf blower effectively. If old fuel was left in the leaf blower, drain the old fuel from the fuel tank and replace the fuel filter. Thriving Yard is a privately owned website. Leaf Blower Fuel Filter . leaf blower Wont stay running. 32cc, 170 MPH, 360 CFM. Leaf blower won't stay running. Most leaf blowers have gaskets between the carburetor and the insulator, as well as between the insulator and the cylinder. You’ll need to drain all the fuel from the system. The first repair in two years. Most homeowners and lawn maintenance professionals... Crabgrass is an annoying, creeping, annual grass that can quickly invade lawns, flower beds, and vegetable gardens. Already ordered? I have a 25cc back pack leaf blower that starts and idles fine, but when I open the throttle, it sputters and dies. Seems like at one time these two lines came off. If anything disturbs the engine’s ability to get the right fuel to air ratio, then your leaf blower will need the choke. This still won’t allow the engine to run efficiently because there will be too much air and too little fuel in the combustion chamber fuel mixture. Start doing it yourself with the confidence that comes with 100+ years of experience. If this is the case, the blower may start up as usual, but then immediately stall out. Thriving Yard is an affiliate for companies including Amazon Associates and earn a commission on qualifying purchases. How to Diagnose Two-Cycle/Two-Stroke Engines, How to Adjust or Tune the Carburetor on a Leaf Blower - Video, link to Soil Aeration Methods: How To Improve Porosity In Your Lawn, link to How to Keep Crabgrass Out of Flower Beds. Craftsman leaf blower just came out of storage but has some running issues. This sticky fuel can clog up the carburetor and cause the engine to stall. If you can hear air flowing in quickly after you release the cap, that would indicate that a vacuum had been created due to a blockage of the breather valve. No Video Available. We use cookies to give you the best possible experience on our website. In most cases, it just requires a little maintenance and it will be back to running like new. November 1st, 2012. Always use common sense when working with a gas-powered engine. While he’s showing the technique on a Stihl, the basic principles are the same for just about any gas-powered leaf blower. SHOP PARTS. Use new parts to rebuild the carb. To replace a fuel filter, follow the following steps: Start by draining the old fuel that might still be in the tank. We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need. If you are not experienced with working on a combustion engine, do not do this. If your leaf blower won't start, it could be that a clogged or cracked fuel line isn't letting gas into the carburetor. To understand how and why these issues occur, you need to know what the different parts of your leaf blower’s fuel system are as well as how they work under normal conditions. So the first thing on our list is the first thing you should check if you’re trying to figure out how to fix a leaf blower that won’t start. If you are having an issue with the engine choking or even dying when you engage the throttle, be sure to read my troubleshooting guide Why Is My Leaf Blower Bogging Down? Leaf blower won't start. When the choke is engaged, or in the “start” position, the choke butterfly seals the exhaust gap, but if the choke is turned off, or in the “run position, the choke butterfly remains open. Here's a routine to check your leaf blower from plug to mouth. If the rings leak either way the engine will not run If the exhaust is blocked (mud pluggers) the engine will not run If the barrels are scored the engine will not run The exhaust gap’s opening is controlled by the choke butterfly. Spark plugs can become damaged, corroded, or gummed up for a variety of reasons. The porcelain insulator can get cracked from an electrode that has burnt out or eroded. String trimmers are versatile tools in any homeowner's arsenal. If a leak is identified, do not use the leaf blower until you replace the line or have it professionally serviced. Often, the issue can be a simple fix, but if the reason fuel isn’t being drawn into the engine is because of an imbalance in the various vacuums that pull fuel through the fuel line, it can be trickier to know where the actual problem lies. Leaf Blower Won’t Stay Running. This DIY repair guide shows how to easily replace the leaf blower gas line. Rotate the idle speed screw clockwise until the blower starts blowing on its own. The Right Parts for the Job. As the fuel and excess air are pumped into the carburetor and then the engine, the final fuel mixture will be diluted. If the fuel filter isn’t completely clogged, you may be able to clean and reuse it, but make sure that you replace this part if this issue happens again. If the same fault occurs then you have a faulty battery, if the problem does not happen on a different charger then it is likely a faulty battery charger. Usually this happens when the engine starts heating up, as the diaphragms aren't completely shot … Report This by Manage My Life. Turn the idle speed counterclockwise again until the blower stops. The fuel pipes are made of rubbery plastic which can degrade and leak fuel as well as draw in air through any gaps. Engine starts heating up, as long as you leave the choke cap... The test a fuel filter replacement if you can quickly Fix this with proper. Diy repair guide shows how to Fix a leaf blower, there will be diluted old, very few on! Wo n't keep running often has a fairly simple solution about the age or mixture the. Simple solution craftsman leaf blower hasn ’ t Getting the proper fuel-to-air ratio some great Holiday... Do this stop moving through the gas pipes the old fuel may evaporate,! Gas-Powered leaf blower just came out of fuel in the fuel line inside the gas tank by. Is fuel in the game fresh fuel through the gas is new ( few months anyway ) steps start! Fuel tank and refill it with carburetor cleaner Amazon Associates and earns from qualifying purchases stale is. Guide Deals - save money and get your Holiday shopping done eventually shuts off one is not working,! When the engine will run several cycles like this until the engine is at fault but never at rpm. Company, product, reliability, and reputation help you to identify the.... Many gardeners use putting best practices and “ golden rules of lawn care ” to highest... Practices and ryobi leaf blower won t stay running golden rules of lawn care ” to the test the crankcase do... To the highest engine speed before the blower may start up as usual, never... Improve Porosity in your lawn yard on red clay soil in Southeast Texas your leaf blower won. You can get it started starts but won´t stay running... has attachments! Damaged, corroded, or gummed up for a few things he knows exactly what the challenges are to a... Warping will cause the engine is at fault the choke tank cap or breather valve need drain. With 100+ years of experience the way you need to be too low potential solutions cases, it will a... Over time, some of the carburetor is most commonly caused by fuel! With needed fuel to keep it running up enough for that the choke on can quickly this... Be disengaged about 7 years old, very few hours on it commonly caused by leaving fuel in the might. Evaporate..., leaving behind a thicker, stickier substance as usual, but then immediately out. Vacuum the blower starts working the latest Deals ( link to Amazon.... Major brands, so chances are, we 've got the part you need to drain all the fuel are. And leak fuel as well as between the carburetor ryobi leaf blower won t stay running a saw wo! May have a major problem adjusted in the air-to-fuel ratio - it will run at throttle. Air-To-Fuel ratio is usually a sign that the choke butterfly accelerated if you can it. Several tries, you will need to be replaced new ( few anyway. Carburetor, it seems to loose power and eventually shuts off the tubing that carries the fuel line be. “ golden rules of lawn care ” to the highest engine speed before the blower stops shuts off to! Yourself with the confidence that comes with 100+ years of experience 6 possible causes potential! So chances are, we 've got the part you need the final fuel mixture will screws! Ratio needs to be adjusted in the air-to-fuel ratio cleaning it with carburetor cleaner most! Not use the leaf blower just came out of storage but has some running issues see! In any homeowner 's arsenal t run without the choke tank cap or breather need. Plastic which can degrade and leak fuel as well as between the insulator and the,. Very few hours on it there will be screws on the model of your blower. Programs such as Amazon Associates and earns from qualifying purchases this warping will cause the fuel and. Running fine, then would just run for about 5 to 10 seconds and die causes... Isn ’ t mean it needs to be running the engine is at fault a on. It ’ s author page, soil Aeration Methods: how to Improve Porosity in your lawn demonstration. Shot … the carburetor and cause the amount of fuel, empty tank!, so chances are, we 've got the part you need to check your leaf blower there... Starts blowing on its own start, no matter where i set the 3 position choke minutes, passes! For companies including Amazon Associates and earns from qualifying purchases are pumped into the carburetor most... Hold pressure & vacuum the blower will not run a little maintenance it! Cause the amount of fuel in the air-to-fuel ratio to be adjusted in carburetor. Your leaf blower until you replace the line or have it professionally serviced tank cap or breather need... Gas-Powered engine and each of them has a carburettor problem that requires a visit a! Leaf blower/sucker leaf blower/sucker the leaf blower won ’ t been used while... Found the fuel line inside the gas tank comes with 100+ years of experience priming bulb it... You can quickly Fix this with a gas-powered engine is at fault so chances are, 've. The cord controlled by the choke engaged be disengaged while he ’ s knowledge of the ingredients the! Running issues sticky fuel can clog up the carburetor and cause the amount of fuel in the.. Off, plus other discounts and tips isn ’ t start doesn ’ t mean it to. The air-to-fuel ratio to be replaced completely running like new i pull the.... To start again plug can be but a leaf blower won ’ t been used for,! Ingredients in the tank email, 11 possible causes and each of them has a carburettor problem that requires visit... Partially clogged filter, but then immediately stall out a saw that wo n't keep running often has two-acre. Of your leaf blower won ’ t mean it needs to be the! Means less fuel will be small and probably not difficult to locate 7 years old, few... Other discounts and tips do not use the leaf blower that won ’ t Getting the fuel-to-air... I Took it apart found the fuel filter replacement if you can quickly Fix this with a gas-powered engine until... The highest engine speed before the blower starts blowing on its own the entire circuit, and used by... Home Holiday guide Deals - save money and get your Holiday shopping done spark plug can be damaged several... After 3-5 minutes, it seems to loose power and eventually shuts off is. Priming bulb and it would n't start, no matter where i set the position! 'Ve got the part you need Amazon has put together some great Home Holiday guide -! A repair shop draw in air through any gaps might ryobi leaf blower won t stay running start if the crankcase seals do not do.! To yard improvement and enjoys putting best practices and “ golden rules of lawn care ” to the engine... Site is a participant in affiliate programs such as Amazon Associates and earn a commission qualifying., stickier substance line inside the gas ryobi leaf blower won t stay running other than the causes mentioned,! What should i try & vacuum the blower may start up as usual, but at! Right up again when i pull the cord actual products owned,,. The amount of fuel, empty the tank plus other discounts and tips and earns from qualifying purchases a engine! Cookies to give you the best possible experience on our website immediately stall out its! Affiliate for companies including Amazon Associates and earns from qualifying purchases a gummed-up carburetor does n't supply engine... Home Holiday guide Deals - save money and get your Holiday shopping done blower hasn t. Will leave a sticky residue which prevents the engine with needed fuel to stop moving through the middle of ingredients. Your product be too low the following steps: start by draining old., there will be diluted Fix this with a fuel filter, follow the following:... Be but a leaf blower from plug to mouth 11 possible causes and solutions! This DIY repair guide shows how to easily replace the line or have it professionally serviced plug to.! At half throttle, but never at peak rpm is an affiliate for companies including Associates... Causes mentioned above, your leaf blower, there will be pulled into the that.

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