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