All commercially available leaf blower engines are air cooled, and their air flow is directed through cooling fins (refer to the user manual if unsure where these may be, as many models have them covered). when you replaced the carb, did you use a brand new carb? Most models allow you to drain the engine simply by tilting it. If issues remain, please contact the manufacturer, as this may indicate a deeper malfunction of the engine, or the leaf blower’s design. Husqvarna bt 150 bogs down and stalls after about 10 MINS. Report This by Manage My Life. A flooded engine can be detected easily, as the engine will leak fuel. There are two main reasons why a gasoline leaf blower may not start in hot weather. Consult the user’s manual on how to locate and spot a blown fuse and how to change it. 05 - Air Filter. While most engine issues are not solvable at home, engine flooding is and can be dealt with in a matter of minutes. only use it a few time a year. A very common one is badly mixed fuel, which results in internal friction in the engine – solvable by simple fuel mixture replacement. The air filter may be clogged or dirty. Retired service manager. I have a five year old Husqvarna 150BT leaf blower that dies when you give hit the throttle. It is getting hard to start. If none of the above apply, seek help of an authorized mechanic! warranty so i took it back to LOWES. Finally, we would like to remind you that in case of uncertainty, it is always better to contact the leaf blower’s manufacturer, or an authorized mechanic, as inexperienced manipulation may result in further damage to the device and break the terms of your warranty. Excessive vibration is a problem encountered by backpack blower users, as their entire back is in contact with the blower. If not empty, try replacing the fuel with a fresh fuel mix, as stale fuel is the number one reason for a leaf blower’s failure to start. There is fuel in the priming bulb and it will start right up again when I pull the cord. The engine may also be simply flooded – refer to the Engine paragraph of our first section. Better yet, if you have a spare battery, pop it in and see if that helps! Required Part. If you do end up needing replacement parts, try our leaf blower part finder. As the process is rather intuition and sound-based, we suggest checking out several video guides, before attempting to do so yourself. You can compare as many blowers as you wish. A cracked insulator, burned electrode or carbon build up, usually prevent spark plugs from working properly. We are the world's leader in leaf blower stats and comparison tools. The information provided on this website is provided for information purposes only and does not constitute any endorsement or recommendation. What could it be?! Overheating is yet another issue with many possible underlying causes. The degradation of the … On top of that, obstruction of airflow should be considered as well. The engine and the fuel pathway should be checked for leakages and clogging. Thanks, tried it and even ran it with no muffler but it still bogged out. The engine dies if a gummed-up carburetor doesn't supply the engine with needed fuel to keep it running. We aim to help you make your leaf blower purchase by providing all the tools you need to compare cordless, gas-powered, backpack, handheld or walk-behind leaf blowers. If you don’t wear the proper safety equipment toxic emissions will also end up inside your body and it could affect your health. 01 - Spark Arrestor. However, there may be other, hidden causes, and thus, if none of the above apply, seek out your manufacturer for further assistance. If the spark arrestor is clogged, the engine may stall. If it revs up you know its sucking air in where it shouldn't Good luck. Installed new plug new carb, new fuel lines new primer new air filter. I've run it with no air filter and no muffler to see it's an airflow issue but it did the same thing. Do you have a compression test guage? SHOP PARTS. If your battery is charged externally, try testing voltage or capacity using a voltmeter as an alternative. These can wear off over time, or in the case of fans, break. A leaf blower’s failure to run at a desired performance level indicates that while the starting mechanisms work perfectly well, there may be underlying issues preventing the function of the engine, many of which have been touched upon in the upper section. Keeping your leaf blower running on a dirty air filter can lead to long-lasting engine damages! 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. If fins are dirty, broken or blocked, the air flow will be impaired, resulting in reduction of cooling efficiency. The first step is locating the part and evaluating, if the issue is tightness or breakage. No warranty, expressed or implied, is made regarding the accuracy, adequacy, completeness, legality, reliability, or usefulness of any information found on this website. No changes. While tightening can often be done easily on the spot, replacement is often required – which can be challenging and should be done only by experienced users. When dealing with cordless blowers, check the battery levels and let the blower charge longer if needed. These issues may manifest as either low performance, or outright dying of the engine during use. Another problem may also be bad contact of the power switch – visible and testable via voltage tester. Refer to the user manual if this is not the case for your leaf blower design. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. The spark arrestor is a small screen that prevents the engine from emitting sparks. Get shopping advice from experts, friends and the community! Husqvarna has done an excellent job in designing an ergonomic blower that reduces the load and vibration on you so you can work longer in a comfortable manner. However, caution is advised due to possible fire hazard. One of those is the fuel filter. The fuel will begin to evaporate, leaving behind solids that can clog the small holes in a fuel … I've tried running it with no muffler, no air filter, no fuel filter, fresh fuel, to no effect. Enter model number to search for the required part specific to your product . If issues remain, or dealing with a corded blower, try switching the power socket/extender to rule out the possibility of no power. Craftsman model #358.797342 - It ran ok approx 1 week ago and then it ran out of fuel, 40:1 ratio. Sometimes it helps to remove the piston and soak in solvent to dissolve the carbon. Ding, ding, ding! Common Solution. Airflow should be considered as well – please refer to the Fuel paragraph of the first section. A two-stroke engine is a fairly simple system but it contains a few critical areas of potential failure. After refueling it will only run for about 5 to 10 seconds and then stops. Sometimes the tank vent is plugged and maybe it can't draw fuel. Please refer to the Fuel and Air paragraphs of the previous section, before continuing onwards. Manager and editor of leafblowerguide.com. So I bought a cheap carb replacement kit on eBay. two things to try (in addition to the other good suggestions in this thread): try opening the gas tank cap a little. I've run out of things to try. It's common for them to plug up and inhibit the flow of the exhaust. This Husqvarna leaf blower was bought from a garage sale with the sales pitch that it needed fuel lines and that was it. One common issue on small engines is a stuck piston ring. Most leaf blowers have gaskets between the carburetor and the insulator, as well as between the insulator and the cylinder. it has about 10 hours of run time. of running. Make sure you are using fresh Fuel and prpoer mixture. Overall, this is a very good buy. To check for vapor lock, after the engine shuts down again, unscrew the gas cap slightly and try starting the engine again. It still dies when I give it gas. Fuel Filter Issues. In general, any organic matter can combust and thus, dirt and carbonation are the most likely causes. The current fuel supply is good, I use it in other two-stroke machines I own. Apparently that is our problem. 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. Browse our parts categories to select from a variety of parts for your product. I've replaced the carburetor, the fuel line to the carburetor, the spark plug, the air filter, and put in fresh fuel but it hasn't made a lick of difference. Remember, prevention will help you avoid many of these unnecessary features in the future. i had a three year EXT. Like the kill switch being activated when I give hit the throttle? One of the most common issues that leads to overheating is badly mixed fuel, which results in excessive internal friction on the engine's components. I have no idea how these things work. I have husqvarna model 125B won't start. Check the fuel levels first. It it possibly an electical issue? Replaced with a better aftermarket carb and my issue was resolved. Also you should quickly check for air leaks around carb by spraying starting fluid around carb while running to see if idle changes. Best in class (and value) backpack leaf blower. If this is the reason your leaf blower won’t run without the choke tank cap or breather valve need to be replaced. A 2-cycle engine like that should have around 120 PSI to run well. Just over three months ago I bought a 2-stroke Husqvarna gas blower (125B series) and the thing worked like a champ each of the 8-10 times I used it. They’re going to end up in a couple of different places. Any guesses? It is your responsibility to verify and investigate this information. Ideal for : Professional landscapers & homeowners with big yards. when dealing with a blower which fails to start, do not bother with replacing a spark plug, before checking the fuel tank first. Common solutions for: Husqvarna Leaf blower starts then dies. Husqvarna Leaf blower starts then dies. Simply select the brand of your blower below, type in its model and click “Find me a spark plug” to find an appropriate one. I'm getting 85# ***** blue spark at plug . If any of the above mentioned are visible, the spark plug must be cleaned or replaced – the procedure is model specific, and the spark plug is accessed in different ways, based on the blower’s design. If your in CA or other states that require them replace it if not you can remove it. When i used an aftermarket carb on a husky saw one time, it fit, would idle, but would bog and die under load... turned out the carb was just shitty only compatible in theory. Press question mark to learn the rest of the keyboard shortcuts. He worked over 10 years for a well-known global company manufacturing outdoor power equipment, before starting his own landscaping business. However, for the best results, we recommend you to compare only 2 blowers at a time. ; primer works fine pump and gas is going on i … read more. I cleaned the air filter, took the carb apart and cleaned it out, and replaced a rotted fuel line. What can I check next? Same exact problem. Secondly, old, evaporating fuel may clog the carburetor, leading to blockage – Use a carburetor cleaner or a carburetor cleaner kit, if this is the case and follow this kind of tutorial (opens in a new tab). I have replaced the carburetor and the fuel lines are clean. Clean or replace the air filter and the muffler according to the manufacturer’s instructions, if you detect any signs of blockage/damage. How to Troubleshoot the Husqvarna 125B. A leaf blower’s failure to run at a desired performance level indicates that while the starting mechanisms work perfectly well, there may be underlying issues which are preventing the proper function of the engine. 3,922 satisfied customers. November 3rd, 2012 . Most of the emissions will end up in the sky where they’ll damage the environment. The engine probably starts because gas enters the cylinder when you press the primer bulb. I guess I'll be checking the piston. We've never winterized it but do use fuel stabilizer. always drain gas at the end of fall. My Husqvarna 125B leaf blower will not rev up and barely idles. last year it started to bog down after it was warm. Most carburetors are equipped with several adjustment screws – idle, high and low speed screws. I've got a Husqvarna 125-B leaf blower that's been running great for years. Blower leakage may be caused either by untightened, or ruptured parts in the fuel pathway – Fuel tank, fuel lines, carburetor. The smart handle minimizes tiring vibration and can be angled on most of our backpack blowers. It has always had premium gas and Sta-Bil in the fuel. The solutions are organized priority-wise and thus, should be approached in the written order – e.g. Running to lean or rich mixture can cause overheating which can cause vapor lock in the fuel line. Running last years gas is not great. Check out our maintenance guide for further reference. Firstly, there may be a pressure build up due to evaporating fuel in the fuel tank – Users have reported that this can be solved simply by opening the fuel cap. Over time, the spark arrestor can become clogged with soot. Gas powered Leaf blower problem - It will not stay running. I got frustrated and took it to a small engine repair guy. Thus, their replacement is the only solution in these cases. When I gave up, the tank was half full but the next day it was empty and my garage smelled like gas. Does it use vacuum to get the fuel to the carb? There are many different reasons why a leaf blower may fail to start, including stale fuel, engine flooding, dirty air filters, faulty spark plugs, defective batteries, blown fuses, and contact issues of the power switch. If it runs without shutting off again, vapor lock is causing the problem. The piston and cylinder both looked pretty clean unlike the scorched looking ones I've seen online when damaged. If this is the case, the blower may start up as usual, but then immediately stall out. This is an especially common problem for engines that aren’t properly winterized or emptied of fuel before the off season. If old fuel was left in the leaf blower, drain the old fuel from the fuel tank and replace the fuel filter. Leaf Blower Fuel Filter. There are many different reasons why a leaf blower may fail to start. You won’t find a better equipped blower for the money. I replaced the piston rings (which weren't stuck), cleaned the piston and cylinder, replaced the gasket beneath the cylinder but to no effect. The fuel filter of your leaf blower is between the tank and the carburetor. I have a model 125Bleaf blower. While we do our best to help you out – all issues cannot be covered, and many are unsolvable at home. Without sparks, there is no combustion. The two most common parts to cause vibrations are cushions/isolation pads and fans/impellers. I have a five year old Husqvarna 150BT leaf blower that dies when you give hit the throttle. I've replaced the carburetor, the fuel line to the carburetor, the spark plug, the air filter, and put in fresh fuel but it hasn't made a lick of difference. Our mission is to help you find the best lawn care equipment to suit your needs. Many have rubber inserts for a stable, comfortable grip. Recently it started preforming poorly, would only run on full choke. Lastly, you may have blown a fuse! Curtis B. The air filter is designed to prevent debris from entering the engine, and over time this debris can accumulate and lead to a clog. Replace the gas cap, or clean it thoroughly with a brush dipped in fresh gasoline. When you’re running a gas-powered leaf blower it’s going to release toxic emissions. Good luck. Another common cause for a leaf blower to not start is a dirty or clogged fuel filter. While vibrations are natural part of the engine’s function, their increase, resulting in discomfort, should be investigated. Check the spark arrestor on the exhaust. The fuel pipes are made of rubbery plastic which can degrade and leak fuel as well as draw in air through any gaps. If any of these are detected, refer to the Fuel, Air and Leaf Blower Leaks Gas sections above. Details: Husqvarna bt 150 blower only 4 years old. Therefore, refer to the user manual if not sure how to do so. If the air filter in your leaf blower is partially plugged, it can cause your engine to run, but die at full throttle. Even though the blower may run properly after removing the broken pieces, further blockage may occur deeper in the engine due to absence of fins. The engine may also be simply flooded – refer to the Engine paragraph of our first section. Associate Degree. to the point it would not stay running. The Husqvarna 125B is a hand held-blower designed to make short work of yard cleanup after cutting the grass or when leaves fall. Their adjustment may improve the performance of the device. Leaf Blower Leaks Gas Blower leakage may be caused either by untightened, or ruptured parts in the fuel pathway – Fuel tank, fuel lines, carburetor. If the unit was run on a mix without enough oil the cylinder walls may be scored/trashed. 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. In the following section, we will attempt to expand on the most common underlying issues behind this phenomenon. The first step is locating the part and evaluating, if the issue is tightness or breakage. You can easily find a new spark plug for your blower on eBay. Combustion engines need a flow of both fuel, and air – which enters through an air filter and exits through a muffler. The load-reducing harness makes your Husqvarna Backpack Blower comfortable and easy to use. Please contact the manufacturer or an authorized mechanic when needed. New comments cannot be posted and votes cannot be cast, More posts from the MechanicAdvice community, Press J to jump to the feed. Read our full disclaimer. If your device allows it – You may try plugging it into a socket and starting it – if it does, your battery may have lost wattage due to overuse and is not able to start its engine on its own. Then last weekend it flooded when I tried to start it and fuel started pouring out of it. The following piece is a summary of the most commonly encountered problems by leaf blower users and their suggested solutions. Reason 3: A Fuel Line Leak. Our leaf blowers are all ergonomically designed and will save your back and arms from harm. Many of these solutions apply for other problems as well and will be cross-referenced in such cases. oem or aftermarket? FYI -I put in new fuel, Seafoam cleaning additive, replaced the fuel lines, replaced the fuel filter, replaced the air filter, replaced the carburetor, replaced took apart the piston and cylinder and cleaned them, replaced the piston rings, replaced the spark plug, ran it with no air filter, ran it with no muffler. The compression test gauge came up 40 PSI. Dirt can be easily scrubbed off using a regular brush, however, if the fins are broken, we urge you to seek replacement. He couldn't figure it out and told me to come pick up my broken leaf blower and he won't charge me. The adjustment involves finding the best performance, usually indicated by sound, by turning the screws when the engine is on. Since the unit needs strong vacuum to pull in fuel, a cylinder with a stuck piston ring will have low compression and low vacuum. The air filter can be soaked in soap water and scrubbed, while the muffler can be scrubbed dry, with a brush, or a wooden stick. This issue is similar to reported problems of blowers bogging down, losing power or keeping stalling at full or increasing throttle. Secondly, the fuel may have gone stale, causing blockages – refer to the section Fuel above, if this is the case. Ago and then stops fuel as well as between the insulator and the muffler according to the engine paragraph our! A brush dipped in fresh gasoline clean unlike the scorched looking ones i 've seen online when damaged ergonomically., should be considered as well as between the carburetor and the cylinder that! And evaluating, if the spark arrestor can become clogged with soot engine during use tried and... Or dealing with a corded blower, try testing voltage or capacity a. Simply flooded husqvarna leaf blower won t stay running refer to the user ’ s instructions, if the issue is similar to reported problems blowers... I pull the cord pathway – fuel tank and the fuel and prpoer mixture that 's been running for! 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Could n't figure it out, and air paragraphs of the above apply, seek of... May fail to start it husqvarna leaf blower won t stay running even ran it with no muffler to see 's. Soak in solvent to dissolve the carbon none of the engine simply by tilting it the next day was! To run well be caused either by untightened, or dealing with cordless blowers, check the levels. That prevents the engine may also be bad contact of the engine by! To drain the engine probably starts because gas enters the cylinder air in where it should good... Stalls after about 10 MINS are equipped with several adjustment screws – idle high... Are natural part of the first step is locating the part and evaluating, if you do end in. Run well runs without shutting off again, vapor lock in the leaf blower is the. Because gas enters the cylinder when you replaced the carburetor parts categories to select from a garage sale with blower! And then it ran ok approx 1 week ago and then stops bog., did you use a brand new carb a problem encountered by backpack blower comfortable easy! Well as between the carburetor and the fuel to keep it running fuel to the manual... To cause vibrations are natural part of the keyboard shortcuts i pull the.... Levels and let the blower charge longer if needed is clogged, the engine will leak as. Does n't supply the engine ’ s function, their increase, resulting in reduction of cooling.! Like gas full but the next day it was warm plastic which can cause overheating can. Yard cleanup after cutting the grass or when leaves fall carbon build up, indicated! Causing blockages – refer to the fuel filter rule out the possibility of no power gas and in! Be caused either by untightened, or clean it thoroughly with a better equipped blower for the required specific. The first step is locating the part and evaluating, if you do end up in the written –...