New comments cannot be posted and votes cannot be cast. ... (like 1/16 turn at a time, then retest). Stale fuel is the most common reason why a leaf blower won’t start. If your leaf blower hasn’t been used for while, old fuel may have degraded in the carburetor. A primer button is primarily used for a cold start situation. GOP delegate films himself breaking into Capitol. Leaf Blower Fuel Filter. I have a Craftsman leaf blower model 358.797341. Join Yahoo Answers and get 100 points today. Another problem may also be bad contact of the power switch – visible and testable via voltage tester. Run'er up to full throttle and adjust the Hi needle. 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. Now don’t panic if you see a lot of smoke coming out of your leaf blower’s exhaust because leftover oil in the combustion chamber is being burnt up resulting in … Most models allow you to drain the engine simply by tilting it. 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. The good news for the users of leaf blowers that won’t start is that the problem is not too serious, there can be a small common problem in the engine or its tools. Poulan is not the best quality machine out there and the rings and cylinder tend to wear pretty quickly. A flooded engine can be detected easily, as the engine will leak fuel. It will leave a sticky residue which prevents the engine from starting. when running the the moving air keeps the coil cool when you shut it off the heat causes everything to expand enough it can no longer generate spark. However, for the best results, we recommend you to compare only 2 blowers at a time. There are many different reasons why a leaf blower may fail to start. If you do end up needing replacement parts, try our leaf blower part finder. Without sparks, there is no combustion. When you pull and release the starter rope, the rewind spring makes it recoil into a pulley. 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 have a Craftsman/Poulan leaf blower that runs pretty good. 3 comments. Replaced the fuel, ignition and carburetor. Just because your leaf blower won’t start doesn’t mean it needs to be replaced completely. 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. When you shut the machine off the engine components get hotter due to the air flow stopping. 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. When dealing with cordless blowers, check the battery levels and let the blower charge longer if needed. If this is the reason your leaf blower won’t run without the choke tank cap or breather valve need to be replaced. The information provided on this website is provided for information purposes only and does not constitute any endorsement or recommendation. If none of the above apply, seek help of an authorized mechanic! Forget about thinking that you will have to be expending a lot of money in another one, or paying someone to do it, because I’ll be more than glad to guide you, on how to repair a leaf blower that won’t start. 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). I have an echo pb250 leaf blower. If the fuel lines become cracked or broken, fuel will not reach the engine, which will make it impossible to start. A person bought this brand new Leaf Blower and could never get it to start. 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_ad_mode = "search"; 1.Lack or old fuel left in your leaf blower The first step is locating the part and evaluating, if the issue is tightness or breakage. While we do our best to help you out – all issues cannot be covered, and many are unsolvable at home. Leaf Blower Won’t Start When It’s Hot. save hide report. It still won't work. I changed the spark plug and fuel filter. Every leaf blower has an impeller, which is a fan that makes the force that pushes the air through the leaf blower’s tubes. Blower leakage may be caused either by untightened, or ruptured parts in the fuel pathway – Fuel tank, fuel lines, carburetor. … 3. A gas-powered blower needs gas in the tank to start. Another common cause for a leaf blower to not start is a dirty or clogged fuel filter. WhizKid discovers and shows how to correct the problem. I tried the troubleshooting in the manual. A leaf blower that won’t start at all may require fuel. I have replaced the plug, removed and cleaned the carb. Remember, prevention will help you avoid many of these unnecessary features in the future. Tried new fuel, new spark plug, new carb last year when it did same thing. 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. 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