Iginition coils when failing will work when cool and fail when hot. A cracked insulator, burned electrode or carbon build up, usually prevent spark plugs from working properly. However, for the best results, we recommend you to compare only 2 blowers at a time. Read our full disclaimer. Common Reasons Why a Leaf Blower Won’t Start Let’s take a closer look into the reasons that prevent a leaf blower from starting. Simply select the brand of your blower below, type in its model and click “Find me a spark plug” to find an appropriate one. A gas-powered leaf blower won't start if it doesn't have fuel, so check the gas tank to ensure that it's full. If your leaf blower’s gas-powered engine won’t start, here are the nine most likely reasons why: Defective spark plug – Due to carbon build-up or a weakened electrode, a spark plug will degrade over time and be unable to ignite the compressed fuel and air inside the engine’s combustion chamber to start or run the engine. Scottdukem757. amzn_assoc_search_bar = "false"; So, you will need to replace the rewind spring. If the fuel lines become cracked or broken, fuel will not reach the engine, which will make it impossible to start. It still won't work. If it does not start, move forward with the diagnostic procedure. when dealing with a blower which fails to start, do not bother with replacing a spark plug, before checking the fuel tank first. amzn_assoc_default_search_phrase = "carburetor parts cleaner"; WhizKid discovers and shows how to correct the problem. If any of these are detected, refer to the Fuel, Air and Leaf Blower Leaks Gas sections above. Check the fuel levels first. Most leaf blowers have … Poulan blower won't start hot. Just because your leaf blower won’t start doesn’t mean it needs to be replaced completely. 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Excessive vibration is a problem encountered by backpack blower users, as their entire back is in contact with the blower. 1.Lack or old fuel left in your leaf blower If fuel isn't the problem, then the blower's spark plug may be dirty or damaged. Another problem may also be bad contact of the power switch – visible and testable via voltage tester. save hide report. On top of that, obstruction of airflow should be considered as well. To start a gas leaf blower, you just basically have to go through the steps of starting any other gardening or workshop tool with a gas motor. Which is better for a home? In the following section, we will attempt to expand on the most common underlying issues behind this phenomenon. Fuses or circuit breakers? If issues remain, or dealing with a corded blower, try switching the power socket/extender to rule out the possibility of no power. Get your answers by asking now. However, caution is advised due to possible fire hazard. Just caught a mouse on a sticky trap. A gas-powered blower needs gas in the tank to start. Pull off the small vent that is attached to the fuel line coming out of the gas tank. If the spark plug is fine, check out the ignition coil next. If air is entering the cylinder from a leak around the seals, the result is a loss of compression. Check out our maintenance guide for further reference. The other thing could be compression. Gas blowers have engines, and sometimes engines won’t start. Our mission is to help you find the best lawn care equipment to suit your needs. Most models allow you to drain the engine simply by tilting it. 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. How do I dispose of it? Therefore, refer to the user manual if not sure how to do so. Replaced the fuel, ignition and carburetor. I have an echo pb250 leaf blower. When your Gas Leaf Blower Quits Working Gas leaf blowers are more prone to having issues over electric blowers, simply because there is more that can go wrong. I am getting a spark. When your leaf blower is running properly, the spark plug will ignite compressed fuel and air with every rotation of the piston within the cylinder. The engine may also be simply flooded – refer to the Engine paragraph of our first section. amzn_assoc_region = "US"; Get shopping advice from experts, friends and the community! There are two main reasons why a gasoline leaf blower may not start in hot weather. Has a good strong spark. A leaf blower that won’t start at all may require fuel. Join Yahoo Answers and get 100 points today. We are the world's leader in leaf blower stats and comparison tools. Iginition coils when failing will work when cool and fail when hot. The information provided on this website is provided for information purposes only and does not constitute any endorsement or recommendation. 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. 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). As the impeller on a walk-behind leaf blower is what allows it to produce a greater volume of air than a handheld leaf blower, it is very important to maintain it. If none of the above apply, seek help of an authorized mechanic! I have replaced the plug, removed and cleaned the carb. amzn_assoc_rows = "1"; While most engine issues are not solvable at home, engine flooding is and can be dealt with in a matter of minutes. Sort by. To test the ignition coil, use an ignition coil tester to do the job. Their adjustment may improve the performance of the device. Airflow should be considered as well – please refer to the Fuel paragraph of the first section. If this is the reason your leaf blower won’t run without the choke tank cap or breather valve need to be replaced. Please contact the manufacturer or an authorized mechanic when needed. Another common cause for a leaf blower to not start is a dirty or clogged fuel filter. 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. I spent 8 hours trying to repair this leaf blower. Start Right Here Find appliance parts, ... Ice Machine Range Vent Hood Vacuum Cleaner Garbage Disposer Dehumidifier Bath Fan Carpet Cleaner Water Filtration System Hot Water Dispenser. You’ll need to drain all the fuel from the system. If the gas tank is full and the gadget won’t start when you pull the cord and you smell a strong odor of gasoline, then the engine may be flooded. Manager and editor of leafblowerguide.com. If the recoil starter assembly is defective, the leaf blower won't start. Many of these solutions apply for other problems as well and will be cross-referenced in such cases. amzn_assoc_ad_mode = "search"; share. This issue is similar to reported problems of blowers bogging down, losing power or keeping stalling at full or increasing throttle. Remove the starter assembly and inspect it to determine if it is working properly. 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. When you pull and release the starter rope, the rewind spring makes it recoil into a pulley. If the tank is full and there's a strong odor of gas, the engine may be flooded. Shut down engine and try to restart it. Without sparks, there is no combustion. He worked over 10 years for a well-known global company manufacturing outdoor power equipment, before starting his own landscaping business. … 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. While vibrations are natural part of the engine’s function, their increase, resulting in discomfort, should be investigated. Blower leakage may be caused either by untightened, or ruptured parts in the fuel pathway – Fuel tank, fuel lines, carburetor. Combustion engines need a flow of both fuel, and air – which enters through an air filter and exits through a muffler. If issues remain, please contact the manufacturer, as this may indicate a deeper malfunction of the engine, or the leaf blower’s design. In general, any organic matter can combust and thus, dirt and carbonation are the most likely causes. Leaf Blower Won’t Start When It’s Hot. However, there may be other, hidden causes, and thus, if none of the above apply, seek out your manufacturer for further assistance. I changed the spark plug and fuel filter. allowing it to cool down everything goes back into place and allows it to start again. Lastly, you may have blown a fuse! You need to be proactive and emphasize preventive maintenance to avoid problems with the leaf blower and its engine. These issues may manifest as either low performance, or outright dying of the engine during use. ? If old fuel was left in the leaf blower, drain the old fuel from the fuel tank and replace the fuel filter. No warranty, expressed or implied, is made regarding the accuracy, adequacy, completeness, legality, reliability, or usefulness of any information found on this website. There are many different reasons why a leaf blower may fail to start. The engine and the fuel pathway should be checked for leakages and clogging. level 2. I tried the troubleshooting in the manual. amzn_assoc_default_category = "Automotive"; It will leave a sticky residue which prevents the engine from starting. After 3-5 minutes, it seems to loose power and eventually shuts off. 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 do end up needing replacement parts, try our leaf blower part finder. I took apart and cleaned the carburetor. I am no expert on the specific subject, but......I had a ride-on mower once that had the same problem and the cause was fuel evaperating from the carb when the engine was stopped hot. 2. So if you already know how to start a gas powered lawn mower, air compressor, or a chainsaw, then chances are you can get a new gas powered leaf blower purring along on … 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. Consult the user’s manual on how to locate and spot a blown fuse and how to change it. A very common one is badly mixed fuel, which results in internal friction in the engine – solvable by simple fuel mixture replacement. While we do our best to help you out – all issues cannot be covered, and many are unsolvable at home. Thus, their replacement is the only solution in these cases. 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. Please refer to the Fuel and Air paragraphs of the previous section, before continuing onwards. Secondly, the fuel may have gone stale, causing blockages – refer to the section Fuel above, if this is the case. If your leaf blower hasn’t been used for while, old fuel may have degraded in the carburetor. 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. 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. Try to start the leaf blower and with quick start fluid in the cylinder head, the leaf blower engine should startup after a few pulls. 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