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