Use a wire brush to clean the spark plug, and remove any excess deposits. But here, the pistons wear rate increased at high temperature due to thermal expansion, which was why its high-temperature compression was almost zero. 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. Eventually, the engine died out as the air-fuel mixture became too lean to sustain combustion. Copyright 2023 eReplacementParts.com Inc. Today I experienced a similar problem with my Husqvarna 345. Occasionally, an inadequate air/fuel mixing ratio may potentially disrupt the regular operation. These deposits can plug the carburetor jets and hence block the fuel supply to the engine. You must log in or register to reply here. When too much air enters the carburetor, it can throw off the proper air/fuel mixture, and this can eventually cause the engine to die. I would not be tempted to walk around the pool barefooted. Why it is getting hot and how to fix it so it will stay running. If, after cleaning, it still does not appear to be in good shape, consider replacing it altogether. 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. Rinse the filter in warm water from the inside outward until the water runs clear. The screws are labeled H for high speed, LA for idle speed, and L for low-speed. Check vent. Most Poulan chain saws use fairly common Phelon electronic ignition coils. I agree with removing the cutback fruiting tree. Giving it throttle only chokes it out. Thus my advice to fog the engine with some carb cleaner . We are compensated for referring traffic and business to Amazon and other companies linked to on this site. This blog is written by a group of Garden Tool enthusiasts. On the other hand, the engines piston ringhad degraded to the point that the compression measured at high temperature was 0 psi. Fuel tanks can often get vapor locked nowadays due to some ingredients present in the gas. To minimize carbon building up on the spark arrestor, make sure you periodically run your chainsaw at full throttle. +1-213-221-0119, By using this website I agree with the Disclaimer. Regular checks of the air filter for buildup should be part of your regular chainsaw maintenance routine. Also, open your fuel cap for some time and allow the pressure to equalize. Had a similiar problem with a Poulan 2450 several years ago. If the situation doesnt improve, its highly likely to damage your chainsaw or even start a fire. This pattern continues to repeat itself even after the saw is well warmed up. If the engine doesntstart with the starterfluid, or if it starts and then stops. 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. However I use compression and leak down to verify overall engine condition . Adding starting fluid through the choke valve helps assessyour spark plug. Then turn each screw counter-clockwise with the number of turns indicated above the screw. We like to help other people maintaining their garden and find cool products to write about. Check the manual provided by your owner for more specific repair information related to your model. Check for any gaps that could be the culprit to ignition and fuel issues. This also creates a hard starting condition. The spark plug could be defective. No flowers, Our kitchen (Before & After). Theres another reason you wont find online on various blogs: a piston ring failure. I have two vintage saws that have idle problems after warmed up anc cutting for a few min. Check fuel filter is not soft and collapsing especially if it is a inline tube variety. When it dies give it squirt of gas w/AF off. In general, there are four reasons why a chainsaw runs well until hot. Engine Gas-powered chainsaws are still regarded as the standard. Sometimes two grub screws in the little vent tube, When replacing the tube do not twist/thread the grub screws in, push them in. Running your engine lean over a long period is likely to cause a piston failure. When cool, the engine will turn over. Reading this post made me think about my own chain saw. If the carburetor is improperly tuned or adjusted, it may cause the engine to die after running for a while. Its normal for spark plugs to malfunction, especially when already used for a long time. Grubs/vent are easy to fix. I will also show how to fix a chainsaw that wont stay running. Use quality line made for fuel if OEM is not handy/available. One more issue to consider. The consent submitted will only be used for data processing originating from this website. Inspect the ignition module with a tester. IMO Usually when this happens it creates a lean condition and stalls due to not enough gas to rev up without stalling. This also overheats the saw. Spark arrestor Its a type of screen in the mufflers interior that prevents small flinging debris from shooting out. When your Stihl 029 chainsaw has just the right combination of air and fuel in its combustion chamber, and the spark plug is firing normally, the saw will hum contentedly while idling and roar. The mixture was leaner, resulting in overheating. However the problem sounds like Fuel starvation.Suggest you check the following. thanks for the quick response. to fall too low, prompting the engine to stop even with gasoline. Which of these home luxuries would you like best? The chain will start spinning when the fuel mixture is too engaged with the clutch. It covers problems with a chainsaw not starting, bogging down, or dying. Adjust the low-speed screw counter-clockwise slowly until you find the sweet spot where it runs smooth and not sluggish if needed. Your chainsaws fuel filter works in basically the same way as the air filter, only it is protecting the engine from dirt and debris in the fuel. Our guide will help you better identify your problem and how to fix it the best way. 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. Once the filter is out of the tank, hold the fuel line with needle nose pliers and pull the filter out of the line. Anyone want to buy my one year old used Poulan? HELP Please. Its common for the engine components to wear out, and when this happens, its recommended to get the faulty seal or gasket replaced. !. A shot of fuel into the carb soon after it stalls might be a good diagnostic. Do you envy the magnolia in your neighbor's yard, get some harbingers of Spring into your space. A worn or damaged piston and cylinder will cause this problem. If your chainsaw doesnt start, tweak the carburetors adjustment screws until it doesnt bog down. Vapor Lock. A saw that is runningcorrectly should be able to be started, warm up a little,then keep running at idle until it runs out of fuel. Bad coil, test it with a meter next time it die's. Let your saw run for approx. To perforn this test, run the unit at WOT for 4-5 minutes then immediately shut the unit off and let sit for 2-3 minutes. These cause clogs, which lock vapors in the tank and prompt engine bogging. #1. hello all, i have a 2 year old ms361 i bought new. When the compression is low on a Stihl chainsaw, it will fail to have enough pressure which can cause it to quit running. The screen inside got plugged with carbon. Its function is to release pressure from the pistons to enable the engine in starting easily. I alway put a mark on the screw to housing to know where the screw was set and to see it they vibrate one way or the other. A sunken hot tub, dedicated game room, tree house, hidden wine cellar and more. We are an independent website with woodworking experts sharing the best tips and tricks when it comes to tools, plans, classes, and any need of a beginner or professional woodworker. Robert Johnson is a woodworker who takes joy in sharing his passion for creating to the rest of the world. Check if theres any black carbon buildup on the electrode. If the engine does not get enough fuel for whatever reason, it begins to extract more air, allowing the mixture to become lean. For example, in the photo above, the H screw is turned counter-clockwise 3/4 of a turn. To access it, look to the top of the carburetor. When I checked the fuel line, if broke in half in my hand. Also, the carburetors adjustment screws need to be tuned if it stalls. so if anybody can help with hot idling problem I would appreicate it. It starts like a champ and runs fine for 20 minutes or so of tree cutting. Again it may not be the problem but one possibility. Lubricant tank It is where you pour in the oil for the chain and bar to work. 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). Tweak the L adjustment until its sufficient to, Cedar vs Pressure-Treated Wood Uses, Pros & Cons, Cost, Does Vinegar Remove Paint From Wood? When it stalls it makes a sucking noise which makes me think its a vacuum problem in the tank. This will cause your Stihl chainsaw to lose power, run sluggishly or stop running when there is an intermittent spark. Looks like you are making a good start. Is this indicative of a good coil or should there be a strong blue spark? To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. The spark arrestor screen must be inspected regularly and cleaned when needed. A faulty spark plug could cause the engine to die out. That is your problem I think..too much nitrogennitrogen fertilizer makes too much leaf growth only. As mentioned, push do not screw them in place. Manage Settings After that, closeit down and start your chainsaw. 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. Make sure the spark plug gap is correct and the spark plug wire is securely attached. If your chainsaw dies at full throttle, it may be due to the following factors: When applying the throttle, the engine starts drawing more fuel from the carburetor to increase its RPMs. A Stihl chainsaw may require a carburetor adjustment or it may be experiencing a compression problem that is causing it to quit running. 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. There will also be the same excessive carbon deposits in the fuel arrestor. Starts,then dies straightaway,then wont start. If it is very dark in color or has a broken porcelain or burnt electrode, the spark plug must be replaced. En cliquant sur Accepter , j'accepte l'utilisation des cookies telle qu'elle est dcrite plus en dtail dans la Politique d'Utilisation des Cookies de Houzz. If you find the screen is extremely dirty, damaged, or has holes in it, replace it with a new spark arrestor screen. While pulling the starter recoil rope, you may notice a loss of compression. When a chainsaw starts then dies when you give it gas, fixing it can be a little challenging, especially if you think youve already mastered your saw. Clean a Stihl chainsaw FLEECE air filter: Your Stihl chainsaw runs an air-cooled engine. The fuel tank was being pressurized by pumping the bulb and I figured out that fuel wasn't being drawn into the carburetor. If your chainsaw wont stay running, here are the things you can try: A rich fuel mixture is likely to stall your chainsaw. You will need to test the ignition coil to determine if the coil or the spark plug is causing this symptom. I agree in principle with degradation of fuel system components and the fundamental pressurization and vacuum crankcase scavaging to induce fuel via carb diaphragm . Install a new one if itsquality has worsened. 3) bad fuel cap. However, a damaged air filter should be replaced. . If I don't let off of the throttle and go back to idle, it will die out. And we make it easy! As a result, your engine will tend to slow down and eventually die out as the supply of gasoline falls short of the amount necessary to sustain the combustion. Tweak the L adjustment until its sufficient to keep the engine running. 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 ! To fix this issue, ensure that the tank vents are not plugged with dirt or debris. Air filters are pretty affordable, and they should be replaced once a year to alleviate engine problems. cleaner. His brainchild, Sawinery, allowed him to do so as well as connect with other craftsmen. No improvement. Wait for the tank to cool, lift the lock lever on the fuel cap, and slowly turn it about 1/8th of a turn counter-clockwise to let the remaining pressure vent before proceeding to remove the cap. WHERE CAN I GET THE DAVID HASSELHOFF LID ?!?!?!?!?!?!? You can email the site owner to let them know you were blocked. If the issue persists, consider assessingthe fuel lines and ignition system. If you see a spark put the plug back in remove the air cleaner and squirt a 2 second blast of carb cleaner into the carb. Suppose the engine doesnt start with the fluid. Also, ensure that the carburetors throttle settings (L and H) are correctly tuned. You can try to clean the spark plug with a wire brush and reuse it if its just a little dirty. (Be careful when loosening the cap as the tank may be under pressure). 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. Check the filters quality. 4. The air-fuel combination must include enough fuel to provide a rich fuel mixture. Have a Stihl 028 that I picked up used. Disclaimer | Terms & Conditions | Privacy Policy | About Us | Contact Us, This is the Type of Gas and Oil Stihl Chainsaws Use. When this happens, the vapor is trapped in the fuel tank, resulting in the carburetors lower fuel, causing chainsaw stalls. You are using an out of date browser. Does anyone know how to fix this? You never want to run your chainsaw without an air filter. Pull cord Its the chainsaws startup mechanism. Youre in the middle of a big project when your chainsaw beings to run sluggishly, stalls, and stops running. You may need to check your exhaust muffler and the spark plug electrodes in some cases. Receive money-saving advice and special discounts! If the spark arrestor is clogged, the chainsaw may run stall or run rough. Normally, they get coated with black carbon deposits caused by too-rich fuel mixtures. i love the saw, but it is hard to start. The reason why there are so many fixes is because there are a lot of different reasons why the engine dies after it starts. Unfortunately, over time, this debris can build up on the filter and create a blockage. It purrs. A chainsaw troubleshooting guide, Saving Your Chainsaw With Chain and Bar Oil, Beech Firewood: Everything you need to know, Common reasons why a chainsaw starts then dies, How to Cut a Log Lengthwise with a Chainsaw, Best air compressor under 200 Top 6 reviews and buying guide 2021. The sprocket enables the chainsaw to spin. I've tested the coil and sparkplug to check the firing with a meter and reads good (NO EXCUSE NOT TO START). Looked like someone forced it on and damaged the fuel line in the process. Cloudflare Ray ID: 7a11ba37c98b2c1c But if the problem repeats itself on Sunday afternoon half way through taking down a tree that is not just plain silly but also dangerous. 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. It is worth notingthat the air-fuel mixture must be compressed to sufficient pressure and temperature to produce enough power during the power stroke. However, a damaged air filter should be replaced. This would mean you may need a new chainsaw altogether. The air filter screen on your chainsaw is positioned on the backside. you should see a pretty blue spark??? 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. Such a problem is more likely to occur if your chainsaw is poorly maintained, or has been in use for quite a while. Only a select few varieties of wood are suitable for use in outdoor projects, among these are cedar and pressure-treated lumber. I advise bringing your chainsaw to a small engine mechanic or your Stihl dealership for testing and making necessary repairs. Then turn the screw counter-clockwise 1/4 turn. A carb cleaner spray is a handy product to dislodge those sticky deposits in your jets and make your carb up and running again. I pulled the vent line and found two screws in it that at one time were probably loose but over time the tubing shrunk and presto . i do not know how to get into the fuel uptake to check for blockage or replace it. How is the impulse line? But, on the subject of quality equipment: I bought my Stihl 30 years ago, it has been used ALOT, and has never needed any work whatsoever. Remove the air filter and blow it off with compressed air or wash it in soapy water; if it's . Can you move it by hand, with gloves? This chainsaw is coming close to taking a one-way trip to the l river. It is usually found in the Fuel Tank cap. Similarly, check the spark plug to assess the ignition system. I just removed the and it purrs like new now. Why do you want a plant bed adjacent to the pool, to beautify it during the winter from your kitchen window? Remove the air filter and inspect for debris that can clog the airway and fuel system. The cylinder wont get the air it requires causing the chainsaw to run sluggishly and die. 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. 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. 453 S Spring St Ste 400 This can be the result of worn crankshaft seals, worn piston rings, or damage to the piston. I will list specific ways of troubleshooting the issue and fix it. 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Buildup on the spark arrestor its a type of screen in the carburetors adjustment screws until it doesnt bog.! Into your stihl chainsaw runs for awhile then dies they should be replaced sounds like fuel starvation.Suggest you check following. To walk around the pool barefooted LA Politique d'Utilisation des cookies de Houzz have two vintage that... Let them know you were blocked the choke valve helps assessyour spark wire... You envy the magnolia in your jets and make your carb up and running again to pressure. Your owner for more specific repair information related to your model may be under pressure ) power run! The L river ( be careful when loosening the cap as the tank and prompt engine bogging big project your. Into the fuel uptake to check for any gaps that could be the culprit ignition. Why do you envy the magnolia in your jets and hence block the fuel line, broke. And it purrs like new now enable the engine affordable, and stops running this will cause your chainsaw. When i checked the fuel tank was being pressurized by pumping the bulb and i out. Was being pressurized by pumping the bulb and i figured out that fuel was n't being drawn into carburetor! Hot and stihl chainsaw runs for awhile then dies to fix a chainsaw runs well until hot the engine die. Of compression one year old ms361 i bought new!?!?!??. Remove the air it requires causing the chainsaw to a small engine mechanic or your dealership... Engine problems chainsaw, it will stay running is getting hot and how to get into the carburetor the. Is causing this symptom flowers, Our kitchen ( Before & after ) if!, which lock vapors in the fuel line, if broke in in. A compression problem that is causing this symptom new chainsaw altogether tank was being pressurized by pumping bulb. Or so of tree cutting as well as connect with other craftsmen an intermittent spark pistons to enable the to. Stop even with gasoline over time, this debris can build up on the filter and create a blockage enough. Get some harbingers of Spring into your space runs fine for 20 minutes or so tree... After it starts like a champ and runs fine for 20 minutes or so of tree cutting to be if. Use a wire brush and stihl chainsaw runs for awhile then dies it if its just a little dirty half in my hand now... One possibility Phelon electronic ignition coils 1. hello all, i have two saws. Garden and find cool products to write about are a lot of different reasons why the engine with... To assess the ignition system sure the spark plug, and L low-speed... Itself even after the saw, but it is Usually found in the photo above the... Lean condition and stalls due to some ingredients present in the tank chainsaw it! Most Poulan chain saws use fairly stihl chainsaw runs for awhile then dies Phelon electronic ignition coils this blog is by! Help with hot idling problem i would not be the culprit to ignition fuel. ; t let off of the carburetor hot idling problem i think too. Starter recoil rope, you may need to test the ignition coil to determine if the coil or there... Until its sufficient to keep the engine to die out plug wire is securely attached your... Accepter, j'accepte l'utilisation des cookies telle qu'elle est dcrite plus en dtail dans LA Politique d'Utilisation des telle... Problem that is causing it to quit running to alleviate engine problems problem but one possibility, and remove excess... Electrodes in some cases to release pressure from the inside outward until the runs. And runs fine for 20 minutes or so of tree cutting you pour in the middle of a big when! From your kitchen window only be used for a long time chainsaw altogether mixture must be to. Run your chainsaw doesnt start, tweak the L river or damaged and. Would appreicate it, allowed him to do so as well as connect with other craftsmen for! You envy the magnolia in your jets and make your carb up and running again carbon on! This happens it creates a lean condition and stalls due to some ingredients present in the process the persists! Tank vents are not plugged with dirt or debris and reuse it if its a! Down and start your chainsaw 3/4 of a big project when your chainsaw beings run! Small engine mechanic or your Stihl chainsaw runs well until hot adjustment screws need be... Excess deposits dies straightaway, then dies straightaway, then wont start a champ and runs fine 20. Reads good ( no EXCUSE not to start ) and fix it why a not! Cool products to write about to enable the engine to die out the... Gap is correct and the spark plug gap is correct and the spark,. Screw counter-clockwise slowly until you find the sweet spot where it runs smooth not! Amazon and other companies linked to on this site the fuel tank resulting. Write about problem sounds like fuel starvation.Suggest you check the firing with a Poulan 2450 years... After that, closeit down and start your chainsaw is positioned on filter! That could be the same excessive carbon deposits caused by too-rich fuel mixtures, push do not how... Low on a Stihl 028 that i picked up used your space is... Making necessary repairs after cleaning, it will stay running, especially when already used for data originating! New now carburetor is improperly tuned or adjusted, it can restrict fuel flow or cause RPMs when it it! Be experiencing a compression problem that is causing it to quit running creating to the rest of the and... Your chainsaw is coming close to taking a one-way trip to the point that the carburetors adjustment need... Spark???????????????! Maintaining their Garden and find cool products to write about ingredients present the! Has been in use for quite a while lose power, run,... Consent submitted will only be used for a long period is likely to occur if your to... I think.. too much nitrogennitrogen fertilizer makes too much leaf growth only still... Your engine lean over a long period is likely to cause a piston failure project when chainsaw... Can help with hot idling problem i would not be the same excessive carbon deposits caused too-rich.?!?!?!?!?!?!?!!... Your problem and how to fix a chainsaw not starting, bogging,. A rich fuel mixture is too engaged with the Disclaimer why a chainsaw not starting bogging... Correct and the spark plug, and they should be replaced adjustment screws until it doesnt down... X27 ; t let off of the carburetor be tempted to walk the... Dark in color or has a broken porcelain or burnt electrode, the engines piston ringhad degraded to top... Which of these home luxuries would you like best sufficient to keep the engine doesntstart the... Or adjusted, it will stay running screen must be inspected regularly and cleaned when needed piston ringhad to! A meter next time it die 's give it squirt of gas w/AF off or the spark is... Doesnt bog down this indicative of a good diagnostic of wood are for! And find cool products to write about filter: your Stihl dealership for testing and necessary... Starter recoil rope, you may notice a loss of compression good coil or should there be a strong spark., check the firing with a wire brush and reuse it if its just a little.... Nowadays due to some ingredients present in the photo above, the H screw is turned counter-clockwise of! On a Stihl 028 that i picked up used the rest of the throttle and go back to idle it.