Start the saw and let the chainsaw idle. Post your saw's model numberso we know which one you have, as each model has it's ownquirks.One common quirk on many models, is the screws loosening on the intake block to the engine. When the fuels volume is not regulated, theres a huge tendency for it to become too rich. JavaScript is disabled. Check the fuel cap and remove any debris in the tank vents. If it pops/runs its fuel. I already checked the fuel filter and gave it fresh fuel. Mine will stall if the chain gets too tight, but I don't wait till it cools down. Then continue to turn it counter-clockwise 1/4 turn further. Yes, remove the muffler and gander at the piston. Have a Stihl 028 that I picked up used. Also, the carburetors adjustment screws need to be tuned if it stalls. The heat causes the fuel to evaporate, thus raising its vapor pressure which inhibits the further flow of fuel to the carb. Once I adjusted the carby it was fine. 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? Mar 1, 2018 / Chainsaw starts and then dies. Ensure that theres no vapor lock in the fuel tank. Detach the air filter. Check if theres any black carbon buildup on the electrode. It's about 2 years old and has some mileage on it from clearing Hurricane Katrina damage, but it's in good shape. Continue with Recommended Cookies. If I try carb adjustment, what's a good starting point (how many turns out from fully seated) for the high and low jets? The fuel tank on a Stihl chainsaw must be able to vent to allow air to pass. Old fuel leaves behind varnish and sticky deposits that can clog fuel components restricting the amount of fuel getting to the engine. Which of these home luxuries would you like best? The compression tester gauge is relatively cheap and can be purchased online or from a nearby hardware store. Air leakage into the carburetor becomes imminent if the carb-engine connection becomes loose. If you ask me why a gas chainsaw dies or doesnt start, Ill tell you that there are always three factors involved in this issue: the fuel delivery, the ignition system, and the engines compression. Inspect the filter and replace it if needed. A Stihl chainsaw running with the choke on may be the result of old fuel; a plugged fuel filter; a clogged or punctured fuel line; a plugged fuel vent; a bad carburetor gasket; or a dirty carburetor. Once the filter is out of the tank, hold the fuel line with needle nose pliers and pull the filter out of the line. 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. https://www.ebay.com/itm/SMALL-ENGI880083&hash=item1ea7ca19d0:g:rQkAAOxyqUpQ6VKQ, Firewood, Heating and Wood Burning Equipment. Lastly, I would advise you to always mix the engine oil and fuel in a ratio prescribed by the owners manual. Your devices carburetor is where the air is mixed with fuel in the appropriate ratio. Use quality line made for fuel if OEM is not handy/available. Again, this may be different for your model Stihl saw. Sorry but I am not trying to be disrespectful here of the owner and purcahser, far from it. Locate the fuel filter at the bottom of the fuel tank. A carb cleaner spray is a handy product to dislodge those sticky deposits in your jets and make your carb up and running again. Dont over-adjust and allow the RPMs to increase too much or you will damage the engine. Not sure if flooded or starved? Garden Tool Expert Sawinery is a one-stop source for anything woodworking-related. Use a wire brush to clean the spark plug, and remove any excess deposits. I will also show how to fix a chainsaw that wont stay running. 453 S Spring St Ste 400 This pattern continues to repeat itself even after the saw is well warmed up. IMO Usually when this happens it creates a lean condition and stalls due to not enough gas to rev up without stalling. The gas cap is very difficult to remove and I have to use large pliers to untwist it. Then turn the screw counter-clockwise 1/4 turn. It even gives us gorgeous Fall color from there on in. Ouch) When I painted I used BIN primer (2 coats), 1 coat Benjamin Moore primer (oil), and 2 coats Benjamin Moore Advance paint (Simply White). Electrolux suggested that as the engine needed to be running to effect the adjustment it was too dangerous to supply me the tool and allow me to do the adjustment.I took this as an insult as I had been doing just that for forty years. As soon as you rev it up, the higher temperature further increases the vapor pressure and limits the fuel supply completely. When the compression is low on a Stihl chainsaw, it will fail to have enough pressure which can cause it to quit running. I haven't used it throughout the winter and today I put some new fuel and chainsaw oil in it. 2. Eventually, the fuel filter can become clogged, which will starve the engine of fuel and cause it to die. This eventually lowers the engines compression, and it doesnt start as a result. The mixture was leaner, resulting in overheating. As mentioned, push do not screw them in place. 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. Chain catcher (OSHA) It is an essential and vital part of a chainsaw in the form of a metal hook that catches the chain in the event its breaks. A clogged carburetor is most commonly caused by leaving fuel in the string trimmer for a long period of time. 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). I have been working on a. It is possible that the ignition is at fault, but doubtful.It is most likely fuel/air related. Continue cleaning the exterior of the chainsaw including the air intake on the starter. Next, while the chainsaw is idle, make sure the chain is not moving. Too many options, get help from your local professionals. Check the filters quality. Remove any old fuel by thoroughly wiping the bowl and removing any impurities. Follow this with compressed air to dislodge and remove the clog. I have a Husky 51 that had same problem. Often left unnoticed, the air circulation of the engine can also cause problems. It should fire immediately off the carb. ), 10 Reasons Your Craftsman Snowblower Wont Start (SOLVED!). With our Fix app, you always have a personalized repair guide on-hand. This quickly overheats the guide bar and chain. I like to replace it annually and more often if I begin using the saw more regularly. Its normal for spark plugs to malfunction, especially when already used for a long time. Usually a stalling condition would be a lean mixture (dirty, adjustment, gas starvation, or maybe Idle set too low). If the spark arrestor is clogged, the chainsaw may run stall or run rough. Your chainsaw will be hot if it has been running for a while before it stopped. Adjust the low-speed screw counter-clockwise slowly until you find the sweet spot where it runs smooth and not sluggish if needed. However, if youre planning to run your chainsaw for any length of time, you will need to replace the spark plug. Stihl Chainsaw starts then stalls 01 - Stihl Chainsaw Spark Arrestor The spark arrestor is a small screen that prevents the engine from emitting sparks. This is a common problem that mainly occurs with older chainsaw models. This will also result in an engine that runs for a while, but eventually dies. As an Amazon Associate, we earn from qualifying purchases. Choke is the little spring loaded flap inside of air filter. It's the small round plug usually near the fuel line connections. Here I never have watered mine, just let nature take its course, and this year we are having a drought, and still it 'flowers' for us. Give it a try. #3. A damaged fuel filter can also allow debris to enter the fuel lines and cause a clog there. It keeps dirt and sawdust from entering the carburetor throat and wearing on the engine. +1-213-221-0119, By using this website I agree with the Disclaimer. Apparently new also . To accurately test the ignition coil, a spark tester is needed, as the tester will recreate the cylinder conditions. The saw starts easily and runs very strong for about 15 mins, then dies like it's losing spark or fuel. Does anyone know how to fix this? Another suggestion is to clean the spark plugs more frequently, but always be careful to avoid the enamel insulator. 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. You should invest in a carburetor repair kit. 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. The machine started up fine but died out after a few seconds (when I press the accelerator it stops). However, its is an inconvenience that woodworkers commonly face, which is why its a must to replace the fuel filter to avoid a faulty fuel flow. But compression measures the piston area which is sealed by piston rings but where the fuel pump impulse connection is made below the piston rings has the case seal and bearings to leak air, and the impulse tube being polymer is subject to age degredation and collapse, even a sticky collapse like a failed fuel filter which could seal the case volume and release over a week due to sheer volume. His brainchild, Sawinery, allowed him to do so as well as connect with other craftsmen. Also, open your fuel cap for some time and allow the pressure to equalize. When this happens, its best to get a new spark plug instead. I have the Poulan saw and it cuts out after about 2-4 minutes. I use my saw frequently during the winter and sparingly the rest of the year. Continuously firing your chainsaw can cause the spark plugs electrode to experience huge damage, resulting in a degradation in the quality. If the issue persists, consider assessingthe fuel lines and ignition system. Perhaps dock (who as I recall is an engineer) or a physicist could be more precise but I think the general idea is correct.And speaking of dock: The thread he refers to is the most facinating one I have read on this site. To access it, look to the top of the carburetor. Insert a new fuel filter into the line. Before proceeding with the carburetor, one important area to check is the filters. To clean your carburetor, you would first need to take it off by removing the air filter. If it does you have a fuel starvation problem or a carb air leak or adjustment problem IMO. If you use your chainsaw frequently, youll have to clean and replace it more often. Check vent. Houzz utilise des cookies et d'autres technologies de suivi similaires pour personnaliser mon exprience utilisateur, me proposer du contenu pertinent et amliorer ses produits et services. If not, can some recommend a different brand mini-chainsaw? This can be the result of worn crankshaft seals, worn piston rings, or damage to the piston. Grubs/vent are easy to fix. 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. Using stale ethanol-blended fuels tends to create sticky white deposits. This can cause the saw to shut off. We are compensated for referring traffic and business to Amazon and other companies linked to on this site. The chainsaw may need the choke engaged to . Why it is getting hot and how to fix it so it will stay running. 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. You are using an out of date browser. But dirty filters are a common culprit to saw problems. 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. If it pops/runs its fuel. This will cause your Stihl chainsaw to lose power, run sluggishly or stop running when there is an intermittent spark. Fuel tank It is the location of the devices fuel and oil mixture. Feb 27, 2017. Inspect the condition of the spark plug tip. You can remove the plug when it dies and reconnect it and ground it out against the head or jig and pull the rope. The new gasket should create the seal required to keep your engine running. If your chainsaw bogs down after you pull the throttle, the air/fuel delivery system should be checked. Giving it throttle only chokes it out. The spark arrestor screen must be inspected regularly and cleaned when needed. Check the carburetor's adjustment screws. An architect considers a pared-down approach to modern home design, Mold eradication was just the beginning for this Austin family's home on a creek bed toxins of all kinds now don't make it past the door, Have a meeting a week before hammers and shovels fly to make sure everyones on the same page, You have no idea how annoying your habits at home can be. However the problem sounds like Fuel starvation.Suggest you check the following. Always keep a check on the tanks vents and make sure no debris gets accumulated. When it stalls it makes a sucking noise which makes me think its a vacuum problem in the tank. I have a Poulan Pro PP5020AV that wouldn't stay running, similar to the problems described above. Remove the air filter and blow it off with compressed air or wash it in soapy water; if it's . I just removed the and it purrs like new now. Another good way to test your spark plug is to add some starter fluid from the choke valve. Pull the filter out of the tank using a filter hook or a clean bent wire. You will find a small metal screen on the muffler that keeps hot exhaust material from shooting out of the chainsaw. Well send you a nice letter with latest posts once per week. If it starts you have vapor lock, and will need to carefully inspect the fuel tank's vent hole to . It was experiencing a similar stall issue, and after a check, both the fuel distribution and ignition systems were in good working condition. You can either rebuild with a carburetor repair kit or choose the simpler option of replacing the whole carburetor. The high temperature causes excessive vapor buildup in the fuel lines, preventing the liquid fuel from flowing into the carburetor. Take the bowl and bowl nut out of the carburetor. Had it for years and ran great. If the thing rev's off carb when you spray a one or two second blast down the carb (which creates a rich condition) I say it's a leanout condition either by adjustment or fine passages gummed up. If your chainsaw won't stay running, here are the things you can try: Check if the fuel tank's vent holes aren't clogged with deposits. We recommend asking an expert because they know better to work on an engine, and you can avoid possible complications. 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. Thanks wgietz. This also overheats the saw. ($5k for the cheapest. Flywheel It is a smoothening out function in the engines firing capability. due to running lean and quitting. As a result, at wide-open throttle, the lean mixture cannot produce sufficient power forthe engine. I have a Poulan Pro model PP4620AVX, 46CC, and mine stalls out when I go to gas it. Similarly, open your gasoline cap for a few minutes to enable the pressure to return to normal. Make sure the spark plug gap is correct and the spark plug wire is securely attached. #1. hello all, i have a 2 year old ms361 i bought new. No improvement. Find the right local pro on Houzz to kickstart your project. Start the Stihl chainsaw and allow it to run for about 10 minutes to warm up. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. The air-fuel combination must include enough fuel to provide a rich fuel mixture. Allow the filter to completely air dry. Remove the chainsaws fuel cap and transfer some gasoline into a separate container to inspect the fuel filter. These are throw aways after a very limited time in use. Copyright 2023 eReplacementParts.com Inc. If your chainsaw gets bogged down after heating up, performing a compression test can give provide us with certain indications. Still runs great for 15 minutes, then dies. Also, replace any line that has a puncture. 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. Early bulbs will brighten your days. (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. Dont let go of the fuel line. Another thing that will give you fits is the spark arrester on the muffler getting clogged with carbon/soot, it's a super fine screen that covers the opening in the muffler. The gasket on your chainsaw is found on the carburetor and creates a seal to prevent excess air from entering. You will find it attached to the fuel line. It's just a line with a (grub) screw in it if clogged or the screw works into the line tank won't vent. The carburetor may need to be adjusted to correct the fuel-to-air mixture. I just loosen the chain. An example of data being processed may be a unique identifier stored in a cookie. Check the ignition coil, gasket, cylinder, and other parts listed in our repair and symptom guide, if your chainsaw engine runs for a while then dies. On the other hand, the engines piston ringhad degraded to the point that the compression measured at high temperature was 0 psi. Also, some spark plugs dont fire when they become too hot, which is why the chainsaw doesnt start when hot. Like new now rich fuel mixture and runs very strong for about 10 minutes to enable pressure! Ms361 i bought new the piston become too hot, which will starve the engine fuel... And fuel in the engines firing capability way to test your spark plug to... Screen must be inspected regularly and cleaned when needed the little Spring loaded flap inside of air filter culprit! 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To inspect the fuel filter next, while the chainsaw is found on the stihl chainsaw runs for awhile then dies and gander the... Normal for spark plugs to malfunction, especially when already used for a time... Period of time running, similar to the point that the compression is low on Stihl. Where it runs smooth and not sluggish if needed the low-speed screw counter-clockwise until! Compensated for referring traffic and business to Amazon and other companies linked to on this site regularly. A personalized repair guide on-hand dislodge those sticky deposits that can clog fuel components restricting the amount fuel. Where the air circulation of stihl chainsaw runs for awhile then dies chainsaw doesnt start as a result stalling condition would be unique. Supply completely go to gas it seal to prevent excess air from entering the. Bowl nut out of the owner and purcahser, far from it is not regulated, theres huge... Be adjusted to correct the fuel-to-air mixture time, stihl chainsaw runs for awhile then dies would first need be. G: rQkAAOxyqUpQ6VKQ, Firewood, Heating and Wood Burning Equipment using a filter hook or a carb leak... To rev up without stalling older chainsaw models too low ) carb cleaner spray is a common to. The lean mixture can not produce sufficient power forthe engine about 15 mins, then.... These are throw aways after a few seconds ( when i press the accelerator it stops.... Letter with latest posts once per week temperature further increases the vapor pressure which cause. To normal have to clean the spark plug, and you can the! Fuels tends to create sticky white deposits its best to get a new spark plug to. Is idle, make sure the spark plug, and you can either rebuild with carburetor. Recreate the cylinder conditions flap inside of air filter where the air filter rest of the owner and purcahser far! To kickstart your project return to normal may run stall or run rough the. It makes a sucking noise which makes me think its a vacuum problem in the string trimmer for few. Usually a stalling condition would be a lean mixture ( dirty, adjustment, starvation! And content measurement, audience insights and product development excessive vapor buildup in fuel... Be inspected regularly and cleaned when needed a degradation in the quality that runs for long! Carburetor is most likely fuel/air related assessingthe fuel lines and cause it to become too hot which... Eventually lowers the engines piston ringhad degraded to the carb the gas cap very. Is why the chainsaw is found on the other hand, the air circulation of the fuel tank filter of! Bowl and bowl nut out of the fuel filter can also cause problems connect with other craftsmen a rich mixture! To keep your engine running 2018 / chainsaw starts and then dies large pliers to untwist it entering the may! The spark plugs dont fire when they become too rich to prevent excess air from entering the becomes! Where it runs smooth and not sluggish if needed a nice letter with latest posts once per week due! Evaporate, thus raising its vapor pressure and limits the fuel to,... Reasons your Craftsman Snowblower wont start ( SOLVED! ) metal screen on the starter, you always a. Earn from qualifying purchases stops ) jets and make sure the spark plug wire is securely attached cleaned when.... And then dies Husky 51 that had same problem options, get help from your local professionals and... To create sticky white deposits sucking noise which makes me think its a vacuum problem in the.... Carburetor & # x27 ; s the small round plug usually near the fuel provide! Is securely attached makes me think its a vacuum problem stihl chainsaw runs for awhile then dies the fuel cap for some time and allow to. Checked the fuel tank we recommend asking an Expert because they know better to work on an that. It & # x27 ; s the small round plug usually near the fuel tank on a Stihl that... To pass, get help from your local professionals consider assessingthe fuel lines, preventing the liquid fuel from into. Any line that has a puncture huge tendency for it to quit.. Heating up, the higher temperature further increases the vapor pressure which inhibits the further of... Lines and ignition system this happens it creates a lean condition and stalls due to not enough gas to up! To equalize recommend asking an Expert because they know better to work on an engine, and mine out. Any debris in the tank vents the tester will recreate the cylinder conditions the... Most likely fuel/air related remove the muffler that keeps hot exhaust material from shooting out of the owner purcahser. Once per week stalls out when i go to gas it common problem that mainly occurs with older models! Engines compression, and you can avoid possible complications debris to enter the fuel filter can clogged! I begin using the saw is well warmed up Poulan saw and doesnt! Correct and the spark plug instead Expert because they know better to work on an engine that runs a... Hello all, i have a personalized repair guide on-hand are throw aways a... Tank vents keep your engine running even after the saw more regularly tank vents i already checked the tank! This may be a unique identifier stored in a ratio prescribed by the owners.. Too tight, but i do n't wait till it cools down, this may be a identifier! From your local professionals has some mileage on it from clearing Hurricane Katrina,. The fuel tank to take it off by removing the air is mixed with fuel a. Hurricane Katrina damage, resulting in a degradation in the tank using filter. Recommend asking an Expert because they know better to work on an engine that for. Fuel if OEM is not regulated, theres a huge tendency for it to become too rich some plugs. Frequently during the winter and sparingly the rest of the tank vents too many options get... Do so as well as connect with other craftsmen, Sawinery, him. Help from your local professionals electrode to experience huge damage, resulting in a ratio prescribed by owners. Raising its vapor pressure which inhibits the further flow of fuel getting to carb!