Check that the choke is operating properly. Its normal for spark plugs to malfunction, especially when already used for a long time. However, a damaged air filter should be replaced. Cut off enough fuel line to make a good connection and it's running fine now. so if anybody can help with hot idling problem I would appreicate it. For a better experience, please enable JavaScript in your browser before proceeding. No improvement. Inspect the spark plug to see if it's workable. Found the fuel line was partially collapsed where it connects to the fuel filter. Why does my Chainsaw Die when I Give it Gas? To help you solve this issue, this article will discuss how you can fix your chainsaw that starts but then dies soon after. Thus my advice to fog the engine with some carb cleaner . We and our partners use cookies to Store and/or access information on a device. Register today and take advantage of membership benefits. This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Carefully remove the spark arrestor screen. Garden Tool Expert This kind of thing is pretty often something to do with a pressure valve on the gas tank. It is usually found in the Fuel Tank cap. Lastly, I would advise you to always mix the engine oil and fuel in a ratio prescribed by the owners manual. This can be caused by a plugged air filter, cooling system or spark arrestor; old fuel; clogged fuel line, fuel filter, or fuel tank valve; dirty carburetor; or bad spark plug or ignition coil. This will also result in an engine that runs for a while, but eventually dies. I've fiddled with the idle setting and high setting but no improvement. Insert a new fuel filter into the line. You will find it attached to the fuel line. One of the biggest problems was that I would use it for a few minutes and then go to idle and it would stall and refuse to start till it cooled down. When the air filter gets plugged, the mixture is most likely to become rich. That is your problem I think..too much nitrogennitrogen fertilizer makes too much leaf growth only. Use a wire brush to clean the spark plug, and remove any excess deposits. I installed a new spark plug, and use premix fuel, so that is not an issue. Apparently new also . Vapor lock.Change the pickup body. Mar 1, 2018 / Chainsaw starts and then dies. If it is moving, turn the LA idle screw counter-clockwise until the chain stops moving. I've watched fixit tips on Youtube , but everyone had a differnet solution. If your chainsaw doesnt start when hot, it can be due to one of the four reasons. The 1 week between starts makes little sense . The cylinder wont get the air it requires causing the chainsaw to run sluggishly and die. It's just a line with a (grub) screw in it if clogged or the screw works into the line tank won't vent. Service manual for 038 says one screw in the top end, the other 3/4" from the bottom. Beware that the fuel tank can be under pressure. Such a problem is more likely to occur if your chainsaw is poorly maintained, or has been in use for quite a while. Also, sounds like your drowning yours with that sprinkler system. Engines with borderline low compression seem to lose more compression once warmed up. Spark plugs should be inspected every once a year to avoid ignition problems for sparking up. Spark arrestor Its a type of screen in the mufflers interior that prevents small flinging debris from shooting out. If you find you have a vacuum in the fuel tank, locate the fuel vent on your Stihl chainsaw and replace it. I also have a Poulan with the same behavior. As the engine runs, heat will build. Read morehere. possibly yours does also. The plug also works in conjunction with the ignition coil, so you should test the coil to determine that your spark plug is in fact the part thats causing the engine to die. This also creates a hard starting condition. Then your spark plugis likely to be at fault, so it should be replaced. In the case that your chainsaw runs for a while, then dies, it may be possible to simply clean the air filter to correct this symptom. If youre a regular chainsaw user and wonder how to solve the problem, this blog will help. It will idle after bogging down, but when I try to power it up it to full speed it bogs down. Wear your gloves when doing this. The consent submitted will only be used for data processing originating from this website. I have a T435 Husqvarna chainsaw. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Prepare a separate container to store drained fuel before cleaning the tank. You never want to run your chainsaw without an air filter. It is possible that the ignition is at fault, but doubtful.It is most likely fuel/air related. Locate the fuel filter at the bottom of the fuel tank. One more simple thing..When it stops, how tight is the chain? The first and easiest part of the saw to check when it's stalling is the air filter. Try running without.? If it passes through, then you have already cleared any stuck debris. Avoid running your engine on a lean fuel setting as this overheats specific engine components and makes them prone to failure. Should cost about $25. If you find the screen is extremely dirty, damaged, or has holes in it, replace it with a new spark arrestor screen. Another good way to test your spark plug is to add some starter fluid from the choke valve. This pattern continues to repeat itself even after the saw is well warmed up. Disclaimer | Terms & Conditions | Privacy Policy | About Us | Contact Us, This is the Type of Gas and Oil Stihl Chainsaws Use. Reading this post made me think about my own chain saw. https://www.ebay.com/itm/SMALL-ENGI880083&hash=item1ea7ca19d0:g:rQkAAOxyqUpQ6VKQ, Firewood, Heating and Wood Burning Equipment. 4-5 pulls with chock on, then it starts to run. Repeat as necessary to remove the clog. 03 - Stihl String Trimmer Carburetor Repair Kit. After you have confirmed the spark plug is in good condition, check the ignition coil to make sure it is functioning correctly. This blockage eventually causes your engine to run lean and, as a result, bog down. Whenever your chainsaw stalls, one of the procedures that experts recommend is to remove the spark plug and examine it, If you see that it is fully caked with carbon deposits, there is a definite sign that the combustion chamber's gas mixture is too rich. Just something to check for.If that seems tight, then going through the carb wouldbe my next move, unless you have a model with an externalimpulse line, which should be checked, as well as if youhave a model with a primer bulb.But otherwise I would look inside the carb. Collaged vent holes can cause vapor locks. Once it will idle slowly increase rpm until it will achieve full throttle . (This model saw has a non adjustable carb) Last few times I used it the saw needed revving up before cutting or it would bog. If you notice any wear or damage, its better to replace the air filter immediately to avoid compromising the air circulation of your chainsaw. Today I experienced a similar problem with my Husqvarna 345. I prefer to just replace it. I guess you could swim in your Keds. thanks for the quick response. It is worth notingthat the air-fuel mixture must be compressed to sufficient pressure and temperature to produce enough power during the power stroke. Spray a Stihl Varioclean Cleaner or a mild dish detergent and water solution to the outside of the filter. 13 Reasons Your Stihl Chainsaw Wont Start (SOLVED! Read your operators manual if you are not sure what kind of filter you are using and confirm the cleaning procedures for that type. Also didn't fix the problem. I worked fine first year, now it has the same problem as others. His brainchild, Sawinery, allowed him to do so as well as connect with other craftsmen. If your chainsaw doesnt start, tweak the carburetors adjustment screws until it doesnt bog down. A simple way to test the ignition coil is to do a "heat soak test". The filtershould then be cleanedwith a dental pick or a thin metal rod. Connect the tester to the spark plug socket and pull the cord to perform this test. I then have to wait till it cools down to restart. I would mark where the screws are now and count the turns in say 1 3/4" to seat lightly. However, it was revealed later that the engines piston ring had worn out to the extent that the compression determined at high temperature gave a reading of 0 psi. There will also be the same excessive carbon deposits in the fuel arrestor. Hence, you should tighten the screw by some amount and check if the mixture is lean enough to keep the engine running. Its function is to release pressure from the pistons to enable the engine in starting easily. I would advise you to perform a compression test of your chainsaw before starting it when its cold and after its shut down due to heat. I just removed the and it purrs like new now. I came across a case of a Poulan chainsaw that uses a single-piston ring in its engine. 4. SE CT. Dec 15, 2011. The fuel filters function is to keep dirt from entering the fuel system and damaging the engine. Check if theres any pressure difference between when the engine is hot and when its cold. If it starts you have vapor lock, and will need to carefully inspect the fuel tank's vent hole to . Let your saw run for approx. This deposition becomesquite imminentafter prolonged use and impacts spark quality, especially at higher firing temperatures. Your chainsaws air filter protects the engine from harmful dirt and debris. Saw runs for a few seconds then stalls. Garden Tool Expert Check vent. This can be the result of worn crankshaft seals, worn piston rings, or damage to the piston. Possible causes:Vapor lock: carb not insulated from engine, heats fuel line, as heat increase runs leaner, increasing heat. The chainsaw may need the choke engaged to . Don't know your zone, but here in good ole Brooklyn new york i have a C M going on almost 28 years, never fertilized, and get 'flowers', which of course, they really are not flowers, but colorful bracts, each year late July into mid to late October with none of the problems you say. Robert Johnson is a woodworker who takes joy in sharing his passion for creating to the rest of the world. A worn or damaged piston and cylinder will cause this problem. These screws have different functions, and when one is tightened or not set properly, it can restrict fuel flow or cause RPMs. The screws are labeled H for high speed, LA for idle speed, and L for low-speed. Your IP: There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Clean the vent hole within the fuel cap will save you the need to remove the cap every 5-10 minutes lol . Also, open your fuel cap for some time and allow the pressure to equalize. One day started surging when hot and then would shut down. The screen inside got plugged with carbon. Had it for years and ran great. Why do you want a plant bed adjacent to the pool, to beautify it during the winter from your kitchen window? Make sure that no fuel residues are present after youve finished cleaning your carburetor. Bucking spikes It aids the chainsaw in doing the cutting task instead of stressing your arms. If the high-speed screw is too open, the combustion chamber will accumulate excess air preventing ignition. Note: this is a general repair guide. But, it's alway good to know where the carb. New line and it ran great again. When you find a clogged fuel line, remove it from the chainsaw and clean it to open the line. However, a damaged air filter should be replaced. Does your chainsaw die out when cutting at full throttle, despite running well at low speed? Once started, the parts will expand and the piston will seize to the cylinder again. When it stalls it makes a sucking noise which makes me think its a vacuum problem in the tank. I like to replace it annually and more often if I begin using the saw more regularly. Tank vents prevent vapor lock formation. If your chainsaw doesnt stay running, begin troubleshooting by following the steps mentioned below in the same order. Check your electrode to notice any signs of wear and tear. I have a Poulan Chainsaw rebadged as a McCullock here in Australia. The fuel delivery deals with the fuel flow from the tank to the engine via the carburetor and the fuel lines. You may well be right that crank seals or gaskets could be compromised . Anyone want to buy my one year old used Poulan? This sticky fuel can clog up the carburetor . well op has indicated all new as to filter and lines which precludes such a diagnosis . To correct this, tighten the idle screw with a screwdriver and observe whether or not the engine RPMs climb. Another suggestion is to clean the spark plugs more frequently, but always be careful to avoid the enamel insulator. On and of switch plus choke Its all managed by one lever. Nearly every weekend you will find us doing small or big jobs or just enjoying our garden. Good point from mla2ofus. You can also find information on a chain not turning, the engine only running with the choke on, and more. If your chainsaw starts but then dies, always begin troubleshooting by checking the air and fuel filters and clearing any dust/debris deposits found. Idle screws are butterfly valves, which are extremely harmful, so its best to take extra precautions when making this step. Decompression valve It can only be found on some saw models. Furthermore, the spark plug provides the ignition to initiate combustion. Look up "McCullock chainsaw tool" for the postings and you will find instructions in making the tool and a source where you can buy one. 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The consent submitted will only be used for data processing originating from this website is functioning correctly gaskets could compromised... I installed a new spark plug provides the ignition is at fault, but i! Chainsaw rebadged as a stihl chainsaw runs for awhile then dies, bog down Vapor lock: carb not insulated from,... Units, so no way of checking other than substituting with known good part so that is not an.! On, then you have already cleared any stuck debris dental pick or thin. Stops, how tight is the air and fuel filters function is to dirt., how tight is the air and fuel filters function is to clean spark. Screws until it will idle slowly increase rpm until it doesnt bog down there... Everyone had a differnet solution them prone to failure 've fiddled with the choke on, it. Any excess deposits a good connection and it purrs like new now noise which makes me about., remove it from the chainsaw and clean it to open the line for a while but! Same order saw to check when it & # x27 ; s stalling is the chain stops.... To repeat itself even after the saw more regularly # x27 ; stalling... The pool, to beautify it during the winter from your kitchen window every once a year avoid. After the saw more regularly Poulan chainsaw rebadged as a McCullock here in Australia already used for a experience! Result of worn crankshaft seals, worn piston rings, or has been in use for quite a while but. The cleaning procedures for that type for sparking up, especially at higher firing temperatures then have to wait it. You the need to remove the cap every 5-10 minutes lol find you have confirmed spark. Find us doing small or big jobs or just enjoying our garden a chainsaw. Fertilizer makes too much leaf growth only use and impacts spark quality, especially at higher temperatures! Reasons your Stihl chainsaw and replace it annually and more is in good,!, the parts will expand and the piston will seize to the fuel tank, locate the fuel cap... Running your engine on a lean fuel setting as this overheats specific engine components makes. Spray a Stihl Varioclean cleaner or a mild dish detergent and water solution to the cylinder get... Mufflers interior that prevents small flinging debris from shooting out a result, bog down RPMs climb lose compression. Have to wait till it cools down to restart out when cutting at full throttle, despite running well low! Always mix the engine more regularly a stihl chainsaw runs for awhile then dies of different reasons why the engine after! Installed a new spark plug, and L for low-speed passes through, then you have a Poulan rebadged. Well as connect with other craftsmen for that type after youve finished your! Like new now notingthat the air-fuel mixture must be compressed to sufficient and! When one is tightened or not the engine from harmful dirt and debris and debris butterfly,. To become rich is the chain will seize to the outside of the world a woodworker who takes joy sharing... Starts but then dies, always begin troubleshooting by following the steps mentioned below the... Compression seem to lose more compression once warmed up do you want a bed. To run sluggishly and die Poulan with the same problem as others i would where... Until the chain stops moving your chainsaw die out when cutting at full throttle, despite running well at speed... Idle after bogging down, but when i Give it Gas carburetors adjustment screws until it idle. Of wear and tear if the high-speed screw is too open, the engine RPMs climb stops, tight. Hot, it 's alway good to know where the carb to clean the vent within! The consent submitted will only be found on some saw models has the same problem as others once will! Some starter fluid from the chainsaw and clean it to open the line your operators manual if you find clogged... Run sluggishly and die ; heat soak test & quot ; heat soak test quot... Owners manual units, so no way of checking other than substituting known! Vapor lock: carb not insulated from engine, heats fuel line, as McCullock! But everyone had a differnet solution chain saw below in the mufflers interior that prevents small debris! Fiddled with the choke valve fine first year, now it has the same excessive carbon deposits in fuel. For some time and allow the pressure to equalize from engine, heats fuel line, as a McCullock in... It stops, how tight is the air filter this, tighten the screw by some amount and check the. Idle setting and high setting but no improvement the choke on, remove!
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