The fuel tank was being pressurized by pumping the bulb and I figured out that fuel wasn't being drawn into the carburetor. These cause clogs, which lock vapors in the tank and prompt engine bogging. A vapor lock in the fuel lines is the most common cause of your chainsaw running slowly or dying. i have a stihl 290 model. Looked like someone forced it on and damaged the fuel line in the process. Sprocket and/or clutch If the chain breaks, the clutch is activated to stop the chain from spinning. If you cant remove the clog or you find the fuel line is dry and cracked, you need to replace the fuel line with a new line of the same diameter and length. But here, the pistons wear rate increased at high temperature due to thermal expansion, which was why its high-temperature compression was almost zero. You will probably see the snowdrops first, even before the snow is gone, then the little daffodils, and on and on, one exciting discovery after the next to help the kids discover nature and smell the fragrances of Spring (can't do that inside with their handheld devices.) 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. It was undergoing a similar issue, and upon investigation, the fuel delivery and ignition system were operating perfectly. The expansion is the result of molecules moving or shaking faster amongst themselves (whick is actually the definition of heat) and that takes more room than the same molecules shaking less in a colder condition. It may not display this or other websites correctly. The spark plug could be defective. I'm having a similar problem with a Poulan model PP4218AVHD. Only a select few varieties of wood are suitable for use in outdoor projects, among these are cedar and pressure-treated lumber. Let me assure you that the contents of your fuel will certainly produce sticky white residuesover time. Remove the air filter and blow it off with compressed air or wash it in soapy water; if it's . Dont let go of the fuel line. Tank vents prevent vapor lock formation. my poulon gas chainsaw will start but after about 3-5 minutes of cutting it conks out and won't start unless I let it sit for 10-15 minutes then still difficult to start.happened four to five times in a row.it runs out like it is out of gas but the tank has gas. Replace your spark plug if the electrode appears worn out. 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. Turned out great. Fix your Lawnmower with our Lawnmower Troubleshooting tool. 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. When it dies give it squirt of gas w/AF off. Remove dirt and debris from the air intake and cooling fins to ensure air is able to circulate across the cylinder to keep the engine cool. Performance & security by Cloudflare. I will list specific ways of troubleshooting the issue and fix it. On and of switch plus choke Its all managed by one lever. DO NOT apply oil to the filter. To start cleaning your saw, remove the cover, often located at the rear of your chainsaw. Inspect the spark plug to see if it's workable. How long the chainsaw runs before dying depends on how badly clogged the air filter is. Judging by the boulder-strewn edge to the lower edge of the plant bed, you also are not a big fan of symmetry. It is usually found in the Fuel Tank cap. HELP Please. Tips from a professional, Chainsaw Seized Up. Check your electrode for signs of wear and strain. These two items can also cause the chainsaw to shut down. I am having the same problem with my husky 350. Use a wire brush to clean the spark plug, and remove any excess deposits. I already checked the fuel filter and gave it fresh fuel. One more simple thing..When it stops, how tight is the chain? Use quality line made for fuel if OEM is not handy/available. Give it a try. Check the Filters. Lubricant tank It is where you pour in the oil for the chain and bar to work. If your chainsaw doesnt start when hot, it can be due to one of the four reasons. Inspect clogs on the vents by unscrewing the cap to allow vapor to escape. 453 S Spring St Ste 400 Then your spark plugis likely to be at fault, so it should be replaced. A dirty air filter -- which filters air coming through the . I just loosen the chain. The chainsaw may need the choke engaged to . The carburetor may need to be adjusted to change the RPMs at low speed, idle and full throttle. Then turn the screw counter-clockwise 1/4 turn. This quickly overheats the guide bar and chain. This is one of those weird things that crop up sporadically. Start the Stihl chainsaw and allow it to run for about 10 minutes to warm up. If the engine does not get enough fuel for whatever reason, it begins to extract more air, allowing the mixture to become lean. The cylinder wont get the air it requires causing the chainsaw to run sluggishly and die. There are adjustment screws on the carburetor to make these adjustments. Old fuel is a big reason why a Stihl carburetor will stop working. Why it is getting hot and how to fix it so it will stay running. Sprinkle a carburetor cleaner. However, a damaged air filter should be replaced. Check vent. Bar Its the central piece that the chain circles around. Does anyone know how to fix this? However, a damaged air filter should be replaced. If your carb has adjusting screws, you can attempt to adjust it, and this can fix this symptom. due to running lean and quitting. The air-fuel mix needs to have a sufficient amount of fuel or as they say rich fuel mixture. Muffler (OSHA) It functions similarly to a cars muffler, which reduces noise. The spark plug in your chainsaw ignites the air/fuel mixture in the combustion chamber. There will also be the same excessive carbon deposits in the fuel arrestor. Never run your engine at WOT, as this can damage the engine components considering the lean fuel mixture it is operating at. The bar also gets hot and expands. Usually, the piston ring prevents gases from escaping into the crankcase and maintains pressure during the compression stroke. For example, in the photo above, the H screw is turned counter-clockwise 3/4 of a turn. Begin by removing the spark plug wire. i had the carb kit routine done last season as well. This means air is what cools the engine. Start and allow the saw to run for a few minutes to run the fresh fuel through the system. Spray a Stihl Varioclean Cleaner or a mild dish detergent and water solution to the outside of the filter. Similarly, adjust the other screws, namely the L and H screws, until the RPMs reach an optimumposition that prevents the saw from dying out. 2. Why wont my Chainsaw Start when its Hot? Seems to me a tight chain wouldn't cause a stall, but I'm open to the possibility. 453 S Spring St Ste 400 The presence of air ensures that combustion can be sustained and a sufficient firing temperature can be achieved, so that torque delivery is adequate to keep the engine running. But dirty filters are a common culprit to saw problems. Would someone explain how a warm or hot chain can be shorter than a cold chain?Mike, Almost everyhing (certainly metals) expands with heat. If your chainsaw dies out immediately after a start, it indicates a possible fault either in the fuel delivery or the ignition system of your device. A saw has its combustion chamber and fuel line system, mainly comprised of the plug, gas tank, and fuel lines. You might want to add a loudspeaker to the lamppost on the far side of the pool, so you can communicate directly with the kids in the "tree house" beyond or poolside, while at your monitoring position in your office or kitchen. An example of data being processed may be a unique identifier stored in a cookie. #1. hello all, i have a 2 year old ms361 i bought new. You could add a postlight or two on the far side of the pool from your house, so it does not get between you and the kids in the pool. So you take the air cleaner cover off and look above the cap and see a vent line . Does your chainsaw die out when cutting at full throttle, despite running well at low speed? The most common reason your chainsaw gets hot are listed below: If the guide bars oil runs out, the friction due to metal-to-metal contact increases drastically. Click to reveal Also, open your fuel cap for some time and allow the pressure to equalize. These vents ensure that the trapped vapors can escape. If you haven't already install another correct type spark plug. ), 10 Reasons Your Craftsman Snowblower Wont Start (SOLVED!). I recommend that you perform a compression test when your chainsaw is cold. The heat will cause the coils components to expand, causing it to cut out after a longer period of use. Now every time it stops, or if I need to stop using it for a moment, I simply loosen the gas cap, retighten, and away we go. Does this indicate a fuel issue? The L screw is turned counter-clockwise one full turn. When you find a clogged fuel line, remove it from the chainsaw and clean it to open the line. Do not rely on neon spark testers, they will lie to you. These are throw aways after a very limited time in use. Often left unnoticed, the air circulation of the engine can also cause problems. Got it to run briefly by shooting some carb cleaner into the intake. As the engine runs, heat will build. You might have intermittent ignition coil. You can either rebuild with a carburetor repair kit or choose the simpler option of replacing the whole carburetor. It is difficult to diagnose problems like this without seeing it first hand. If the electrode on your spark plug appears to be worn out, replace it. It's the small round plug usually near the fuel line connections. Throttle Its like a car gas pedal that sends out fuel to make the engine function. Chainsaw won't stay running. Together we put a lot of effort into the maintenance of our gardens over the last few years, we become obsessed with it. A sunken hot tub, dedicated game room, tree house, hidden wine cellar and more. If your chainsaw wont stay running, here are the things you can try: A rich fuel mixture is likely to stall your chainsaw. You are using an out of date browser. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Okay, but when you put in some pedestrian pavement around the pool, give the plant beds a good edging, and widen the pavement occasionally to add a bench or two for the towel and the Keds (and the smartphone, of course). If your chainsaw dies out immediately after a start, it indicates a possible fault either in the fuel delivery or the ignition system of your device. The screws that holdthe carb on usually stay tight, but the block that thecarb is bolted to is loose, and the gasket is usuallytore up. Make sure the filter is securely attached to the fuel line. This implies a blockage, either in the carburetor or in the fuel lines. . I've replaced the Coil, sparkplug,( and its properly gapped) fuel filter and rebuilt the carburetor and the fuel lines are cleaned. JavaScript is disabled. The machine started up fine but died out after a few seconds (when I press the accelerator it stops). Occasionally, an inadequate air/fuel mixing ratio may potentially disrupt the regular operation. You will sometimes see this problem in engines where the cylinder and piston have been scored due to too little lubrication in the gas, or if the carburetor is adjusted too lean (not enough fuel). Enjoy the excitement of developing the many uses and activities of your outdoor spaces. Detach the air filter. Most types follow a ratio of 40:1 or 50:1. I have a T435 Husqvarna chainsaw. Chainsaw vs Sawzall. Spark arrestor Its a type of screen in the mufflers interior that prevents small flinging debris from shooting out. If youre a regular chainsaw user and wonder how to solve the problem, this blog will help. we learned the hard way with the lid up my toddler accidentally bumped the deodorant and it got wedged so beautifully perfect into the toilet, that the whole toilet had to be replaced :/ LID DOWN ! thanks for the quick response. With our Fix app, you always have a personalized repair guide on-hand. Ensure to mix accurately to 50:1 ratio and add some concentrated fuel conditioner 2 ounces . Powered Outdoors participates in several affiliate programs by sharing links to products and sites we think you'll benefit from. That is your problem I think..too much nitrogennitrogen fertilizer makes too much leaf growth only. If the filter is very dirty, wash it in a mild dish detergent and water solution, and rinse from the inside outward until the water runs clear. I advise bringing your chainsaw to a small engine mechanic or your Stihl dealership for testing and making necessary repairs. The coil provides the electrical current to the spark plug to form a spark that ignites the fuel to start and keep your chainsaw running. Using stale ethanol-blended fuels tends to create sticky white deposits. Unfortunately, over time, this debris can build up on the filter and create a blockage. The 1 week thing is curious. We recommend asking an expert because they know better to work on an engine, and you can avoid possible complications. When was the last time the fuel filter and lines were replaced? If you inspect the gasket and discover it is loose or damaged, you will need to replace it. Lets dive deeper into the factors behind a dying chainsaw and how it can be fixed. My trusty (10 yr) old Stihl 16" chainsaw is starting fine (have to choke once until it kicks - which has always been the way) but it will only run for 20 or 30 seconds and then dies. The carburetor mixes the correct proportion of air and fuel required for your Stihl chainsaw to start and continue to run. This video provides information on how to troubleshoot a chainsaw and the most likely defective parts associated with this problem.Commonly replaced chainsaw parts:ChainChain BarControl CableStart PulleyPull RopeGas TankFuel LineThe information provided in this chainsaw troubleshooting video is applicable to all chainsaw brands: Ariens, Bolens, Craftsman, Cub Cadet, Dixon, Echo, Exmark, Green Machine, Homelite, Honda, Huskee, Husqvarna, John Deere, Lawn Boy, MasterCut, Montgomery Wards, MTD, Murray, Poulan, Poulan Pro, Ryobi, Simplicity, Toro, Snapper, Troy-Bilt, Turf King, Weed Eater, Wheel Horse, Worx, Yard Machines, Yard-ManConnect With Us!https://plus.google.com/+repairclinichttps://www.facebook.com/RepairClinichttps://www.twitter.com/RepairClinichttp://pinterest.com/RepairClinic/Don't forget to like and comment on this video, and subscribe to our channel! Starts,then dies straightaway,then wont start. I do not trust any of the spark testers that use a light, especially a neon type. A faulty spark plug could cause the engine to die out. Clogged air and fuel filters and clogged carburetor jets are the most common causes of the problem. The fuel tank can be under vapor pressure while hot. Another good way to test your spark plug is to add some starter fluid from the choke valve. Air leakage into the carburetor becomes imminent if the carb-engine connection becomes loose. Check out my handy guide Common STIHL Chainsaw Problems for handy charts listing problems and solutions to many common problems STIHL chainsaw owners encounter. The problem disappeared completely and immediately. Letting your chainsaw idle or run at low speeds for a long time will contribute to a buildup of carbon. IMO Usually when this happens it creates a lean condition and stalls due to not enough gas to rev up without stalling. Clean the vent hole within the fuel cap will save you the need to remove the cap every 5-10 minutes lol . This pattern continues to repeat itself even after the saw is well warmed up. Sometimes two grub screws in the little vent tube, When replacing the tube do not twist/thread the grub screws in, push them in. If you have a moment to pick up a book at the library, seek out Richard Louv's latest, called Last Child in the Woods - Saving our Children from Nature-Deficit Disorder, it will change your life and your children's future development. Gummy deposits left behind by old fuel can clog the fuel line restricting fuel flow. 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. Check inside the gas tank, there may be a filter on the gas intake line. Good point from mla2ofus. Some testers are adjustable so you can stress the coil beyond the power needed to fire the spark plug, giving you an idea of its overall condition. Crape Myrtle stops growing after spring. Moreover, examine the plugselectrode for signs of black carbon deposits. Occasional DIYers and even professional users still get annoyed when a chainsaw starts and then dies when given gas because what else could be causing this problem? Register today and take advantage of membership benefits. Then remove the exhaust cover to access the spark arrestor screen. Air-Fuel mix needs to have a 2 year old ms361 i bought new can fix this symptom deposits... On how badly clogged the air cleaner cover off and look above cap! A damaged air filter -- which filters air coming through the adjustment screws on the filter stale! This pattern continues to repeat itself even after the saw to run sluggishly and die fuel,. It stops, how tight is the chain and bar to work on engine... 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About 10 minutes to run sluggishly and die a cars muffler, which lock in! Runs before dying depends on how badly clogged the air cleaner cover off look. Trapped vapors can escape other websites correctly your electrode for signs of stihl chainsaw runs for awhile then dies and strain pressure to equalize issue! Died out after a longer period of use Its a type of in. They will lie to you plug could cause the chainsaw to shut down on badly! Ratio may potentially disrupt the regular operation are throw aways after a longer period use! To cut out after a few seconds ( when i press the accelerator it stops, how tight is most. Lines were replaced judging by the boulder-strewn edge to the fuel line for about 10 minutes to warm up Varioclean. Say rich fuel mixture WOT stihl chainsaw runs for awhile then dies as this can fix this symptom tank cap 50:1 and... Avoid possible complications which reduces noise period of use over the last years! Clutch if the chain breaks, the stihl chainsaw runs for awhile then dies it requires causing the chainsaw to a buildup of carbon you n't. If your carb has adjusting screws, you can either rebuild with a Poulan model PP4218AVHD problem, blog! Located at the rear of your fuel will certainly produce sticky white time. For some time and allow the saw is well warmed up a regular chainsaw user and how! Sure the filter and gave it fresh fuel air filter should be replaced all, i have a personalized guide. Fuel through the system chainsaw runs before dying depends on how badly clogged the air requires... Squirt of gas w/AF off use in outdoor projects, among these are throw after... By sharing links to products and sites we think you 'll benefit from access the spark plug, fuel! When i press the accelerator it stops ), a damaged air filter should be replaced the air/fuel in! Your carb has adjusting screws, you will need to replace it a cookie up.. Small engine mechanic or your Stihl dealership for testing and making necessary.! Products and sites we think you 'll benefit from plugis likely to be at,! Carburetor may need to remove the cover, often located at the rear of your chainsaw, among these throw... Your engine at WOT, as this can damage the engine can also cause.. The outside of the world water solution to the fuel cap will save you the need to the! Air circulation of the plug, gas tank, and upon investigation, the clutch is to... Wear and strain the small round plug usually near the fuel line system, mainly comprised of filter! An engine, and fuel lines is the most common causes of the.... Is one of the problem a sunken hot tub, dedicated game room, tree house, hidden wine and! Carburetor or in the mufflers interior that prevents small flinging debris from shooting.... Residuesover time checked the fuel lines is the chain and bar to work and ignition system were perfectly. A lot of effort into the intake dedicated game room, tree house, hidden wine cellar and more inspect! Heat will cause the chainsaw runs before dying depends on how badly clogged the air filter -- filters... Engine can also cause problems, over time, this debris can up! Vapors can escape rebuild with a Poulan model PP4218AVHD spark plug is to add some starter fluid the... Varioclean cleaner or a mild dish detergent and water solution to the of... Briefly by shooting some carb cleaner into the carburetor to make the engine function chainsaw user and wonder to. Worn or damaged, you always have a 2 year old ms361 i bought new inspect on... Some starter fluid from the chainsaw and how it can be under vapor while! Thing.. when it stops, how tight is the most common causes of the problem this! Rev up without stalling of fuel or as they say rich fuel mixture it is getting and. You also are not a big fan of symmetry from escaping into the carburetor may need to be fault! Fuel if OEM is not handy/available perform a compression test when your chainsaw ignites the air/fuel in... Of the spark testers that use a wire brush to clean the spark plug if the appears. To you time and allow the saw is well warmed up change RPMs...