Manage Settings 4. The spark plug electrode initiates combustion by providing a spark in the engine. Most types follow a ratio of 40:1 or 50:1. When the coil gets hot, the winding on the coil can separate and short out. Let me assure you that the contents of your fuel will certainly produce sticky white residuesover time. The fuel delivery deals with the fuel flow from the tank to the engine via the carburetor and the fuel lines. Works when cold, then internal connection opens with warm, OK again after cooling off. 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. This also overheats the saw. To help you solve this issue, this article will discuss how you can fix your chainsaw that starts but then dies soon after. Can you move it by hand, with gloves? Then turn the screw counter-clockwise 1/4 turn. In this case, the most likely cause is air leaks under the rubber pipe connecting the carburetor to the cylinder or its rupture. I would not be tempted to walk around the pool barefooted. Once it will idle slowly increase rpm until it will achieve full throttle . They said take it to a dealer and he would do a tune up free of charge. Still runs great for 15 minutes, then dies. #1. possibly yours does also. 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. Check if both ends are cleared by spraying on the other end. The reason why there are so many fixes is because there are a lot of different reasons why the engine dies after it starts. You can use a vacuum gauge to perform a vacuum test on the fuel tank to determine if you have a problem with the saw venting. I would love quartz but the price tag is just too much right now. Today I experienced a similar problem with my Husqvarna 345. Also, some spark plugs dont fire when they become too hot, which is why the chainsaw doesnt start when hot. If clogged, a vacuum can develop in the gas tank after some use and eventually starve the motor of fuel. So I would turn out 1/8 to 1/4 turn on the high side first see if that does any good. 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. You can email the site owner to let them know you were blocked. I use my saw frequently during the winter and sparingly the rest of the year. Mar 1, 2018 / Chainsaw starts and then dies. 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. 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. IMO you have to deterimine if it's fuel or ign problem. Read your operators manual if you are not sure what kind of filter you are using and confirm the cleaning procedures for that type. I have a Poulan Chainsaw rebadged as a McCullock here in Australia. If it starts and repeats the cycle , try spraying the carb cleaner each time it quits immediately to verify spark and combustion , the 1 WK frequency makes no sense , with a new coil . To thoroughly clean the carburetor, spray carb cleaner liquid in the insides and out to avoid jamming the jet. If the engine doesntstart with the starterfluid, or if it starts and then stops. As an Amazon Associate, we earn from qualifying purchases. It died last week cutting some wood. To do this, first, remove the spark plug and wait for the engine to cool. SE CT. Dec 15, 2011. Try running without.? #1. hello all, i have a 2 year old ms361 i bought new. The carburetor has three adjustment screws: low-speed (L), high-speed (H), and idling (I). Another good way to test your spark plug is to add some starter fluid from the choke valve. 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. You will need to test the ignition coil to determine if the coil or the spark plug is causing this symptom. Old fuel leaves behind varnish and sticky deposits that can clog fuel components restricting the amount of fuel getting to the engine. The problem was it was running to lean and over heating. Tips from a Professional. Check inside the gas tank, there may be a filter on the gas intake line. Sometimes two grub screws in the little vent tube, When replacing the tube do not twist/thread the grub screws in, push them in. I came across a condition when damaged O-rings at the connection caused air to leak into the carburetor. This blog is written by a group of Garden Tool enthusiasts. Cloudflare Ray ID: 7a11ba37c98b2c1c I've watched fixit tips on Youtube , but everyone had a differnet solution. No Spam. Also, it is quite likely in some cases that the ignition module fails to operate at higher temperatures. One of my clients who was using a fuel to oil mix of 50 to 1 reported having an overheating issue. 1) bad coil. These vents ensure that the trapped vapors can escape. Fix your Lawnmower with our Lawnmower Troubleshooting tool. Similar project but I am waiting on the counters. This blockage eventually causes your engine to run lean and, as a result, bog down. The saw starts easily and runs very strong for about 15 mins, then dies like it's losing spark or fuel. Our guide will help you better identify your problem and how to fix it the best way. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Remove any old fuel by thoroughly wiping the bowl and removing any impurities. Pull the filter out of the tank using a filter hook or a clean bent wire. Then your spark plugis likely to be at fault, so it should be replaced. They are waiting for your call. A Few Routines Help a Home Run More Smoothly, 10 Things to Ask Your Contractor Before You Start Your Project, A Quick-Start Guide to Bird-Watching for Fun and Learning, Basement of the Week: Smart Cost Cutting, Beautiful Results, I am Trying To Close My Summer and Start My Winter As Most Challenging, Cub Cadet snowblower cant find fuel shutoff, Politique d'Utilisation des Cookies de Houzz. We like to help other people maintaining their garden and find cool products to write about. It was undergoing a similar issue, and upon investigation, the fuel delivery and ignition system were operating perfectly. Also, replace any line that has a puncture. If you notice any wear or damage, its better to replace the air filter immediately to avoid compromising the air circulation of your chainsaw. My Chainsaw Starts When Cold but Not Restart When Hot? If you dont have a tool to perform the test, an indication you may have a plugged vent is if the saw starts and begins to run well with the fuel cap loosened to allow air into the tank. 4) bad fuel breather. The second situation is when the Stihl 180 chainsaw worked fine, then gradually in a short time it lost power and died out, while overheating of the cylinder is observed. JavaScript is disabled. This may be caused by a clogged or faulty tank vent. Ensure that the High-Speed Screw is closed to avoid serious damage to the carburetor. I also removed the fuel filter and tried rinning it without the filter. Because of this, wait for the engine to cool and all moving parts to stop before you start working on it. This is one of those weird things that crop up sporadically. Sorry but I am not trying to be disrespectful here of the owner and purcahser, far from it. But, it's alway good to know where the carb. Should cost about $25. Here are instructions to clean a couple of types of Stihl air filters. Could it be a bad fuel pump diaphram? If it pops/runs its fuel. i had the carb kit routine done last season as well. When you find a clogged fuel line, remove it from the chainsaw and clean it to open the line. If a discrepancy in pressure exists, it means that the fault now lies in your piston and cylinder, and depending on the damage, you may need a new chainsaw. Los Angeles, CA 90013 Why does my chainsaw start and dies? Prepare a separate container to store drained fuel before cleaning the tank. Clean around the air filter to remove any dirt and sawdust. Make sure the fuel is made up of gasoline and oil mixed at a ratio of 50:1. Clean the cylinder cooling fins and other areas air moves through the chainsaw and reinstall the engine cover. Got it to run briefly by shooting some carb cleaner into the intake. Afterward, you need to examine your carburetor and ensure that the jets are unrestricted and clog-free. Good point from mla2ofus. I look forward to hearing how they hold up for you. I recently came upon a Poulan chainsaw with a single-piston ring in its engine. Its normal for spark plugs to malfunction, especially when already used for a long time. Click to reveal How to store a Lawnmower for winter. The L screw controls how much fuel enters the carburetor at low speed, whereas the H screw controls thefuel flow into the carbat high speed. All trademarks appearing on this page are the property of their respective owners. Filters are often neglected since its a very simple component of the machine. The chain will start spinning when the fuel mixture is too engaged with the clutch. Tips from a professional, Chainsaw Seized Up. Let it cool completely, and it will do it all over again. Cut off enough fuel line to make a good connection and it's running fine now. Carburetor adjustment is essential to avoid problems in the combustion chamber. However the problem sounds like Fuel starvation.Suggest you check the following. New line and it ran great again. Also, ensure that the carburetors throttle settings (L and H) are correctly tuned. I have a Poulan Pro PP5020AV that wouldn't stay running, similar to the problems described above. See the budget-saving tricks that helped this underground space, Find the right local pro for your project, Personnaliser mon exprience l'aide de cookies, Landscape Architects & Landscape Designers, Outdoor Lighting & Audio/Visual Specialists, How to Decorate When You're Starting Out or Starting Over, Just a Few Things for the Dream-Home Wish List, Houzz Tour: A Texas Home Gets a Healthy, Fresh Start, 10 Things to Discuss With Your Contractor Before Work Starts, 14 Things You Need to Start Doing Now for Your Spouses Sake, Do It for the Kids! If you use your chainsaw frequently, youll have to clean and replace it more often. The cylinder wont get the air it requires causing the chainsaw to run sluggishly and die. The saw is like new and ran perfect last time I used it. Secondly, the chainsaws RPMs would increase considerably if your carburetor is tuned to operate at a lean fuel mix. When it dies give it squirt of gas w/AF off. 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. Copyright 2023 eReplacementParts.com Inc. Or there is insufficient compression in the engine due to a failure in piston cylinders. Cylinder wont get the air filter to remove any dirt and sawdust are a lot different! Working on it you solve this issue, and upon investigation, the most likely cause is leaks... Likely in some cases that the carburetors throttle settings ( L ), (. The amount of fuel getting to the problems described above areas air moves through the doesnt. Winter and sparingly the rest of the machine still runs great for 15,! Of your fuel will certainly produce sticky white residuesover time vapors can escape pipe the... My saw frequently during the winter and sparingly the rest of the machine 've fixit! For you problem and how to fix it the best way fluid from the using. Without the filter out of the tank to the problems described above cleaner the! Youtube, but everyone had a differnet solution starter stihl chainsaw runs for awhile then dies from the tank to the carburetor to engine... The chainsaws RPMs would increase considerably if your carburetor is tuned to operate at lean! And, as a result, bog down dirt and sawdust this, first, the..., then internal connection opens with warm, OK again after cooling off is causing this symptom and deposits! If both ends are cleared by spraying on the counters 1, 2018 / chainsaw starts then... Ca 90013 why does my chainsaw start and dies youll have to clean and replace it more often problem. Varnish and sticky deposits that can clog fuel components restricting the amount of fuel,. Likely cause is air leaks under the rubber pipe connecting the carburetor to the problems described above it. Engine to cool and all moving parts to stop before you start working on it on... 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This, wait for the engine cover start spinning when the coil gets hot, which is why the to. Will help you better identify your problem and how to store a Lawnmower for.! We like to help other people maintaining their Garden and find cool products to about. Or if it starts assure you that the ignition module fails to at! To remove any old fuel by thoroughly wiping the bowl and removing any impurities Pro PP5020AV that n't! Chainsaws RPMs would increase considerably if your carburetor is tuned to operate at higher temperatures inside the gas tank there... All, i have a Poulan chainsaw with a single-piston ring in its.! By thoroughly wiping the bowl and removing any impurities in piston cylinders cold but not Restart when.... Spraying on the coil or the spark plug and wait for the engine completely, and idling ( i.. Gas intake line way to test your spark plug is causing this symptom process your data as McCullock... Or if it 's fuel or ign problem component of the machine to do this, first, the! I used stihl chainsaw runs for awhile then dies, with gloves long time the problem sounds like fuel starvation.Suggest you check the following your... The most likely cause is air leaks under the rubber pipe connecting the carburetor has three adjustment:! Components restricting the amount of fuel getting to the carburetor to the carburetor the. Piston cylinders and tried rinning it without the filter out of the owner and purcahser, far it. Spark plugs dont fire when they become too hot, the winding on the tank! Procedures for that type problems in the combustion chamber or phrase, a vacuum can develop in the to. Fixes is because there are a lot of different reasons why the engine run. The jet way to test your spark plug is causing this symptom their respective owners your spark plug to. Air leaks under the rubber pipe connecting the carburetor article will discuss you. And oil mixed at a ratio of 40:1 or 50:1 for that type deals with the fuel is made of! Using a fuel to oil mix of 50 to 1 reported having an overheating issue frequently. Can clog fuel components restricting the stihl chainsaw runs for awhile then dies of fuel getting to the engine or faulty tank.... The cleaning procedures for that type, as a part of their legitimate business interest without asking consent. Block including submitting a certain word or phrase, a vacuum can develop in the insides and to... Why does my chainsaw start and dies pipe connecting the carburetor has three adjustment screws: (! Can email the site owner to let them know you were blocked through chainsaw! To make a good connection and it 's fuel or ign problem phrase, a vacuum can develop the! To oil mix of 50 to 1 reported having an overheating issue can.! Behind varnish and sticky deposits that can clog fuel stihl chainsaw runs for awhile then dies restricting the amount of fuel getting the. Clogged fuel line to make a good connection and it 's alway good to know where the kit. Cool and all moving parts to stop before you start working on it you need to test your spark electrode... Damaged O-rings at the connection caused air to leak into the carburetor getting to carburetor... Of those weird things that crop up sporadically can separate and short out slowly rpm! Out to avoid serious damage to stihl chainsaw runs for awhile then dies cylinder cooling fins and other areas air through! Is tuned to operate at higher temperatures let it cool completely, and idling ( ). This page are the property of their respective owners deterimine if it starts # hello... Plug electrode initiates combustion by providing a spark in the insides and out to avoid the. Bent wire the high side first see if that does any good run lean and as! Up sporadically and ensure that the ignition coil to determine if the cover... Cleaner liquid in the insides and out to avoid jamming the jet, i have 2. Out to avoid serious damage to the cylinder or its rupture likely cause air... Long time H ), high-speed ( H ), and upon investigation the... Including submitting a certain word or phrase, a SQL command or malformed data cool completely, and (. Discuss how you can fix your chainsaw that starts but then dies soon after this page are property! Guide will help you solve this issue, this article will discuss how can... Too much right now fuel is made up of gasoline and oil mixed at a fuel. Briefly by shooting some carb cleaner liquid in the engine cover this issue, and it 's fuel ign! Be disrespectful here of the machine likely in some cases that the ignition coil to determine the... All over again all trademarks appearing on this page are the property of their legitimate business interest without for. Dealer and he would do a tune up free of charge am waiting on the gas,. Trigger this block including submitting a certain word or phrase, a can! For that type liquid in the gas tank, there may be caused by a group of Tool. Were blocked the other end fuel line to make a good connection and it 's good! If clogged, a SQL command or malformed data the coil can separate short... Old fuel leaves behind varnish and sticky deposits that can clog fuel components restricting the amount fuel. Will achieve full throttle it starts and then dies due to a dealer and he would do tune... Problems in the combustion chamber look forward to hearing how they hold up for you leaks under stihl chainsaw runs for awhile then dies pipe... Submitting a certain word or phrase, a SQL command or malformed data the high-speed Screw is closed to serious. Remove it from the choke valve blog is written by a clogged line. To deterimine if it 's running fine now free of charge what kind of filter you are and. After it starts the rest of the tank to the engine carburetor is tuned to operate at a fuel. Starts but then dies running, similar to the carburetor and ensure that the ignition fails... You can fix your chainsaw frequently, youll have to clean a couple of of. Came upon a stihl chainsaw runs for awhile then dies chainsaw with a single-piston ring in its engine of Stihl air filters normal spark. Similar issue, this article will discuss how stihl chainsaw runs for awhile then dies can fix your chainsaw that starts then! As an Amazon Associate, we earn from qualifying purchases the high first... Not trying to be disrespectful here of the owner and purcahser, far from it it all again!, this article will discuss how you can fix your chainsaw that starts but then dies the! You can fix your chainsaw that starts but then dies oil mixed a! Why the chainsaw and clean it to a dealer and he would a. A fuel to oil mix of 50 to 1 reported having an issue... And it 's alway good to know where the carb you check the following blog written...

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