The fuel filter of your leaf blower is between the tank and the carburetor. There is fuel in the priming bulb and it will start right up again when I pull the cord. of running. When I gave up, the tank was half full but the next day it was empty and my garage smelled like gas. Running last years gas is not great. always drain gas at the end of fall. I cleaned the air filter, took the carb apart and cleaned it out, and replaced a rotted fuel line. I have no idea how these things work. When you’re running a gas-powered leaf blower it’s going to release toxic emissions. You can compare as many blowers as you wish. 05 - Air Filter. Since the unit needs strong vacuum to pull in fuel, a cylinder with a stuck piston ring will have low compression and low vacuum. Ding, ding, ding! Replace the gas cap, or clean it thoroughly with a brush dipped in fresh gasoline. If you do end up needing replacement parts, try our leaf blower part finder. I have a model 125Bleaf blower. It has always had premium gas and Sta-Bil in the fuel. The Husqvarna 125B is a hand held-blower designed to make short work of yard cleanup after cutting the grass or when leaves fall. Check the spark arrestor on the exhaust. You can easily find a new spark plug for your blower on eBay. The engine and the fuel pathway should be checked for leakages and clogging. The spark arrestor is a small screen that prevents the engine from emitting sparks. Replaced with a better aftermarket carb and my issue was resolved. The two most common parts to cause vibrations are cushions/isolation pads and fans/impellers. If it revs up you know its sucking air in where it shouldn't Good luck. The engine may also be simply flooded – refer to the Engine paragraph of our first section. Curtis B. Without sparks, there is no combustion. They’re going to end up in a couple of different places. Report This by Manage My Life. SHOP PARTS. Read our full disclaimer. When dealing with cordless blowers, check the battery levels and let the blower charge longer if needed. Better yet, if you have a spare battery, pop it in and see if that helps! warranty so i took it back to LOWES. 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. Best in class (and value) backpack leaf blower. 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. Apparently that is our problem. Most leaf blowers have gaskets between the carburetor and the insulator, as well as between the insulator and the cylinder. 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. One of those is the fuel 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. There are two main reasons why a gasoline leaf blower may not start in hot weather. Check out our maintenance guide for further reference. 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 guess I'll be checking the piston. I've tried running it with no muffler, no air filter, no fuel filter, fresh fuel, to no effect. It's common for them to plug up and inhibit the flow of the exhaust. I have a five year old Husqvarna 150BT leaf blower that dies when you give hit the throttle. It is getting hard to start. What can I check next? Combustion engines need a flow of both fuel, and air – which enters through an air filter and exits through a muffler. I've got a Husqvarna 125-B leaf blower that's been running great for years. 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. Required Part. The air filter is designed to prevent debris from entering the engine, and over time this debris can accumulate and lead to a clog. The current fuel supply is good, I use it in other two-stroke machines I own. Keeping your leaf blower running on a dirty air filter can lead to long-lasting engine damages! Fuel Filter Issues. 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. However, caution is advised due to possible fire hazard. If your battery is charged externally, try testing voltage or capacity using a voltmeter as an alternative. Most carburetors are equipped with several adjustment screws – idle, high and low speed screws. This is an especially common problem for engines that aren’t properly winterized or emptied of fuel before the off season. when dealing with a blower which fails to start, do not bother with replacing a spark plug, before checking the fuel tank first. If old fuel was left in the leaf blower, drain the old fuel from the fuel tank and replace the fuel filter. oem or aftermarket? 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. I'm getting 85# ***** blue spark at plug . Therefore, refer to the user manual if not sure how to do so. However, there may be other, hidden causes, and thus, if none of the above apply, seek out your manufacturer for further assistance. The first step is locating the part and evaluating, if the issue is tightness or breakage. Secondly, the fuel may have gone stale, causing blockages – refer to the section Fuel above, if this is the case. 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. 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 smart handle minimizes tiring vibration and can be angled on most of our backpack blowers. I replaced the piston rings (which weren't stuck), cleaned the piston and cylinder, replaced the gasket beneath the cylinder but to no effect. As the process is rather intuition and sound-based, we suggest checking out several video guides, before attempting to do so yourself. Make sure you are using fresh Fuel and prpoer mixture. Browse our parts categories to select from a variety of parts for your product. We are the world's leader in leaf blower stats and comparison tools. In the following section, we will attempt to expand on the most common underlying issues behind this phenomenon. 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. There are many different reasons why a leaf blower may fail to start. This issue is similar to reported problems of blowers bogging down, losing power or keeping stalling at full or increasing throttle. If you don’t wear the proper safety equipment toxic emissions will also end up inside your body and it could affect your health. Remember, prevention will help you avoid many of these unnecessary features in the future. Associate Degree. 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. Common Solution. A 2-cycle engine like that should have around 120 PSI to run well. only use it a few time a year. Blower leakage may be caused either by untightened, or ruptured parts in the fuel pathway – Fuel tank, fuel lines, carburetor. Details: Husqvarna bt 150 blower only 4 years old. 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. i had a three year EXT. I have replaced the carburetor and the fuel lines are clean. The adjustment involves finding the best performance, usually indicated by sound, by turning the screws when the engine is on. Installed new plug new carb, new fuel lines new primer new air filter. No changes. Another common cause for a leaf blower to not start is a dirty or clogged fuel filter. Reason 3: A Fuel Line Leak. 01 - Spark Arrestor. Refer to the user manual if this is not the case for your leaf blower design. Lastly, you may have blown a fuse! 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. The load-reducing harness makes your Husqvarna Backpack Blower comfortable and easy to use. Most of the emissions will end up in the sky where they’ll damage the environment. If your in CA or other states that require them replace it if not you can remove it. Running to lean or rich mixture can cause overheating which can cause vapor lock in the fuel line. Recently it started preforming poorly, would only run on full choke. Husqvarna Leaf blower starts then dies. If none of the above apply, seek help of an authorized mechanic! After refueling it will only run for about 5 to 10 seconds and then stops. Common solutions for: Husqvarna Leaf blower starts then dies. Craftsman model #358.797342 - It ran ok approx 1 week ago and then it ran out of fuel, 40:1 ratio. He worked over 10 years for a well-known global company manufacturing outdoor power equipment, before starting his own landscaping business. 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. last year it started to bog down after it was warm. 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. New comments cannot be posted and votes cannot be cast, More posts from the MechanicAdvice community, Press J to jump to the feed. 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). While vibrations are natural part of the engine’s function, their increase, resulting in discomfort, should be investigated. The fuel pipes are made of rubbery plastic which can degrade and leak fuel as well as draw in air through any gaps. If the unit was run on a mix without enough oil the cylinder walls may be scored/trashed. I have a five year old Husqvarna 150BT leaf blower that dies when you give hit the throttle. Thus, their replacement is the only solution in these cases. Check the fuel levels first. Gas powered Leaf blower problem - It will not stay running. Do you have a compression test guage? Also you should quickly check for air leaks around carb by spraying starting fluid around carb while running to see if idle changes. Many of these solutions apply for other problems as well and will be cross-referenced in such cases. If the air filter in your leaf blower is partially plugged, it can cause your engine to run, but die at full throttle. Ideal for : Professional landscapers & homeowners with big yards. Another problem may also be bad contact of the power switch – visible and testable via voltage tester. No warranty, expressed or implied, is made regarding the accuracy, adequacy, completeness, legality, reliability, or usefulness of any information found on this website. Same exact problem. We've never winterized it but do use fuel stabilizer. The compression test gauge came up 40 PSI. To check for vapor lock, after the engine shuts down again, unscrew the gas cap slightly and try starting the engine again. In general, any organic matter can combust and thus, dirt and carbonation are the most likely causes. Like the kill switch being activated when I give hit the throttle? A very common one is badly mixed fuel, which results in internal friction in the engine – solvable by simple fuel mixture replacement. 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. Overall, this is a very good buy. The information provided on this website is provided for information purposes only and does not constitute any endorsement or recommendation. A cracked insulator, burned electrode or carbon build up, usually prevent spark plugs from working properly. two things to try (in addition to the other good suggestions in this thread): try opening the gas tank cap a little. A flooded engine can be detected easily, as the engine will leak fuel. Excessive vibration is a problem encountered by backpack blower users, as their entire back is in contact with the blower. The fuel will begin to evaporate, leaving behind solids that can clog the small holes in a fuel … Their adjustment may improve the performance of the device. to the point it would not stay running. If any of these are detected, refer to the Fuel, Air and Leaf Blower Leaks Gas sections above. If fins are dirty, broken or blocked, the air flow will be impaired, resulting in reduction of cooling efficiency. Enter model number to search for the required part specific to your product . The engine dies if a gummed-up carburetor doesn't supply the engine with needed fuel to keep it running. Clean or replace the air filter and the muffler according to the manufacturer’s instructions, if you detect any signs of blockage/damage. A voltmeter as an alternative not rev up and inhibit the flow of the engine also... 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