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. 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. The engine and the fuel pathway should be checked for leakages and clogging. 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. Husqvarna Leaf blower starts then dies. Airflow should be considered as well – please refer to the Fuel paragraph of the first section. only use it a few time a year. There is fuel in the priming bulb and it will start right up again when I pull the cord. One of those is the fuel filter. It it possibly an electical issue? Sometimes it helps to remove the piston and soak in solvent to dissolve the carbon. I've tried running it with no muffler, no air filter, no fuel filter, fresh fuel, to no effect. when you replaced the carb, did you use a brand new carb? You can easily find a new spark plug for your blower on eBay. 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. 05 - Air Filter. 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. Most models allow you to drain the engine simply by tilting it. If fins are dirty, broken or blocked, the air flow will be impaired, resulting in reduction of cooling efficiency. To check for vapor lock, after the engine shuts down again, unscrew the gas cap slightly and try starting the engine again. last year it started to bog down after it was warm. Leaf Blower Fuel Filter. warranty so i took it back to LOWES. However, for the best results, we recommend you to compare only 2 blowers at a time. 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. The fuel filter of your leaf blower is between the tank and the carburetor. Our mission is to help you find the best lawn care equipment to suit your needs. 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. Another common cause for a leaf blower to not start is a dirty or clogged fuel filter. The fuel will begin to evaporate, leaving behind solids that can clog the small holes in a fuel … ; primer works fine pump and gas is going on i … read more. Reason 3: A Fuel Line Leak. Many of these solutions apply for other problems as well and will be cross-referenced in such cases. The adjustment involves finding the best performance, usually indicated by sound, by turning the screws when the engine is on. 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. Check out our maintenance guide for further reference. Our leaf blowers are all ergonomically designed and will save your back and arms from harm. Combustion engines need a flow of both fuel, and air – which enters through an air filter and exits through a muffler. The two most common parts to cause vibrations are cushions/isolation pads and fans/impellers. Read our full disclaimer. There are two main reasons why a gasoline leaf blower may not start in hot weather. Since the unit needs strong vacuum to pull in fuel, a cylinder with a stuck piston ring will have low compression and low vacuum. 01 - Spark Arrestor. No changes. Keeping your leaf blower running on a dirty air filter can lead to long-lasting engine damages! 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. Fuel Filter Issues. If this is the reason your leaf blower won’t run without the choke tank cap or breather valve need to be replaced. The load-reducing harness makes your Husqvarna Backpack Blower comfortable and easy to use. It is getting hard to start. How to Troubleshoot the Husqvarna 125B. What could it be?! The solutions are organized priority-wise and thus, should be approached in the written order – e.g. However, there may be other, hidden causes, and thus, if none of the above apply, seek out your manufacturer for further assistance. Overheating is yet another issue with many possible underlying causes. Ding, ding, ding! Running to lean or rich mixture can cause overheating which can cause vapor lock in the fuel line. I have a model 125Bleaf blower. Get shopping advice from experts, friends and the community! 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. of running. Details: Husqvarna bt 150 blower only 4 years old. If your battery is charged externally, try testing voltage or capacity using a voltmeter as an alternative. Another problem may also be bad contact of the power switch – visible and testable via voltage tester. The current fuel supply is good, I use it in other two-stroke machines I own. 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. oem or aftermarket? Recently it started preforming poorly, would only run on full choke. A flooded engine can be detected easily, as the engine will leak fuel. Without sparks, there is no combustion. 3,922 satisfied customers. Replace the gas cap, or clean it thoroughly with a brush dipped in fresh gasoline. Best in class (and value) backpack leaf blower. 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. Thus, their replacement is the only solution in these cases. Good luck. Remember, prevention will help you avoid many of these unnecessary features in the future. There are many different reasons why a leaf blower may fail to start. 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. If it revs up you know its sucking air in where it shouldn't Good luck. Consult the user’s manual on how to locate and spot a blown fuse and how to change it. The first step is locating the part and evaluating, if the issue is tightness or breakage. If the spark arrestor is clogged, the engine may stall. Retired service manager. 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. Any guesses? Do you have a compression test guage? I have no idea how these things work. On top of that, obstruction of airflow should be considered as well. Refer to the user manual if this is not the case for your leaf blower design. Check the fuel levels first. Ideal for : Professional landscapers & homeowners with big yards. 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. The engine may also be simply flooded – refer to the Engine paragraph of our first section. Therefore, refer to the user manual if not sure how to do so. when dealing with a blower which fails to start, do not bother with replacing a spark plug, before checking the fuel tank first. i had a three year EXT. New comments cannot be posted and votes cannot be cast, More posts from the MechanicAdvice community, Press J to jump to the feed. If this is the case, the blower may start up as usual, but then immediately stall out. two things to try (in addition to the other good suggestions in this thread): try opening the gas tank cap a little. Then last weekend it flooded when I tried to start it and fuel started pouring out of it. 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. While we do our best to help you out – all issues cannot be covered, and many are unsolvable at home. These can wear off over time, or in the case of fans, break. Same exact problem. However, caution is advised due to possible fire hazard. 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).