stihl chainsaw runs for awhile then dies
A shot of fuel into the carb soon after it stalls might be a good diagnostic. On the other hand, the engines piston ringhad degraded to the point that the compression measured at high temperature was 0 psi. Here are instructions to clean a couple of types of Stihl air filters. Yes, remove the muffler and gander at the piston. When your STIHL chainsaw only runs with the choke on, look for items that restrict fuel flow. Just something to check for.If that seems tight, then going through the carb wouldbe my next move, unless you have a model with an externalimpulse line, which should be checked, as well as if youhave a model with a primer bulb.But otherwise I would look inside the carb. 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. My customer this morning delayed until 1:00, so I went out to test the 028 some more. It purrs. This may cause the saw to die out when hot. Before making any repairs, shut off your chainsaw, wait for all moving . Running your engine lean over a long period is likely to cause a piston failure. We were unable to add your email to our mailing list. Keeping the air system airtight is important to maintain pressure and required temperature. Then close it and start your chainsaw again. Its best to replace the air filter annually for the average homeowner and inspect it frequently throughout the year to clean or replace it if necessary. Low and high adjustment Its function is to control the saws idling speed. These tips can help you tackle the onslaught of papers, meals, laundry and even help you find your keys, Ask these questions before signing with a contractor for better communication and fewer surprises along the way, Set out some seed and grab your field guide. 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. #3. 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. 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. I am having the same problem with my husky 350. Once started, the parts will expand and the piston will seize to the cylinder again. 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. 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. They said take it to a dealer and he would do a tune up free of charge. You are using an out of date browser. Check the fuel cap and remove any debris in the tank vents. SE CT. Dec 15, 2011. How do you Fix a Chainsaw that wont Stay Running. Or starts and stalls. From what I've read, my problem is the nature of the beast with these saws. These two items can also cause the chainsaw to shut down. worn ring increases gap end when hot and loss of compression causes stall. Check your electrode for signs of wear and strain. If it pops/runs its fuel. Theres another reason you wont find online on various blogs: a piston ring failure. The saw is less than two years old. The fuel tank can be under vapor pressure while hot. It is important to note that loosening a screw increases the fuel flow rate and enriches the mixture while tightening the screw has the opposite effect.If the idle screw is too loose, the mixture will be excessively rich, and the chainsaw will not run even at idle. This may be caused by a clogged or faulty tank vent. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Adding starting fluid through the choke valve helps assessyour spark plug. 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. 1) bad coil. Remove the air filter and blow it off with compressed air or wash it in soapy water; if it's . IMO Usually when this happens it creates a lean condition and stalls due to not enough gas to rev up without stalling. If your saw dies at idle, turn the idle screw clockwise until the chain just starts to move. The screws are labeled H for high speed, LA for idle speed, and L for low-speed. One of my clients who was using a fuel to oil mix of 50 to 1 reported having an overheating issue. You will need an inline ignition tester to do this. Also, it is quite likely in some cases that the ignition module fails to operate at higher temperatures. Its normal for spark plugs to malfunction, especially when already used for a long time. Install a new one if itsquality has worsened. I still need to find hardware, No need to feel overwhelmed. Any ideas? Does this sound like a fuel problem? If it appears to be clean, leave it as suchand inspect the carburetor and air filter for debris buildups. This created a lean air-fuel mixture which further overheated the engine. Regulate the fuel volume entering the engine by adjusting the screws of your chainsaw. Try running without.? Manual fuel pump Its a mechanism that makes the saw engine easily start. Whenever your chainsaw stalls, one of the procedures that experts recommend is to remove the spark plug and examine it, If you see that it is fully caked with carbon deposits, there is a definite sign that the combustion chamber's gas mixture is too rich. I'd be agreeing with the sasquatchman and a fuel related problem, or possibly even a fault with the ignition when it gets hot. This sticky fuel can clog up the carburetor . Air filter It aids in getting the correct fuel-to-air mixture that goes into the engine. I also removed the fuel filter and tried rinning it without the filter. 20 minutes with full choke or 1/2 choke to maintain fast idle . Use a screwdriver to detach the cover at the back of your saw. I already checked the fuel filter and gave it fresh fuel. Also didn't fix the problem. i love the saw, but it is hard to start. This blog is written by a group of Garden Tool enthusiasts. Click to reveal I use my saw frequently during the winter and sparingly the rest of the year. Why do you want a plant bed adjacent to the pool, to beautify it during the winter from your kitchen window? 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. We can easily examine the air filter before checking the carburetor, which maybe causing the chainsaw to stall. Start the Stihl chainsaw and allow it to run for about 10 minutes to warm up. Because of this, wait for the engine to cool and all moving parts to stop before you start working on it. A clogged carburetor is most commonly caused by leaving fuel in the string trimmer for a long period of time. chainsaw starts then after few cuts shuts down clynesn 16 years ago 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. Garden Tool Expert 79Fiesta. Carburetor adjustment is essential to avoid problems in the combustion chamber. Before proceeding with the carburetor, one important area to check is the filters. You can try to clean the spark plug with a wire brush and reuse it if its just a little dirty. Ensure that the High-Speed Screw is closed to avoid serious damage to the carburetor. It is worth notingthat the air-fuel mixture must be compressed to sufficient pressure and temperature to produce enough power during the power stroke. 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. Cloudflare Ray ID: 7a11ba37c98b2c1c How to store a Lawnmower for winter. Position the chainsaw bar so the chain won't hit anything during adjustment. If you are continuing to have problems with the carburetor, bring your chainsaw to your local Stihl dealer. Clean the vent hole within the fuel cap will save you the need to remove the cap every 5-10 minutes lol . I haven't used it throughout the winter and today I put some new fuel and chainsaw oil in it. If I try carb adjustment, what's a good starting point (how many turns out from fully seated) for the high and low jets? 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). Follow this with compressed air to dislodge and remove the clog. Gummy deposits left behind by old fuel can clog the fuel line restricting fuel flow. Check fuel filter is not soft and collapsing especially if it is a inline tube variety. Tank vents prevent vapor lock formation. With our Fix app, you always have a personalized repair guide on-hand. Hi Folks, I have a Sthil 250 and my problem is it runs for about 20 min then dies and will not crank for at least a week or so. Check for this problem the next time your saw dies when it's hot. Why it is getting hot and how to fix it so it will stay running. I've watched fixit tips on Youtube , but everyone had a differnet solution. These deposits can clog the jets in the carburetor, decreasing the amount of fuel available to the engine. Chainsaw then works just fine. The most common problem causing your chainsaw to run slow or die out is a vapor lock in the fuel lines. Receive money-saving advice and special discounts! 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. Allow the filter to completely air dry. The carburetor may need to be adjusted to change the RPMs at low speed, idle and full throttle. I have a T435 Husqvarna chainsaw. Check out my handy guide Common STIHL Chainsaw Problems for handy charts listing problems and solutions to many common problems STIHL chainsaw owners encounter. cleaner. Because of the lean mix, the saw may start perfectly. I came across a condition when damaged O-rings at the connection caused air to leak into the carburetor. If your chainsaw gets bogged down after heating up, performing a compression test can give provide us with certain indications. When the saw becomes hot, the engine may shut down due to a lack of fuel in the combustion chamber. HELP Please. Unscrew the gas cap, vent the gasses and try to restart your saw. Apparently new also . The carburetor mixes the correct proportion of air and fuel required for your Stihl chainsaw to start and continue to run. If you buy something through our posts, we may get a small commission. Running old gas can be a big culprit, but many other items can cause a Stihl to die. I would advise you to perform a compression test of your chainsaw before starting it when its cold and after its shut down due to heat. What the pros say, Chainsaw Over-Revving: Tips from a Professional. Regular checks of the air filter for buildup should be part of your regular chainsaw maintenance routine. Carefully remove the spark arrestor screen. It would equalize after sitting for a while and run good again later. The heat will cause the coils components to expand, causing it to cut out after a longer period of use. Repeat as necessary to remove the clog. 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. Vapor Lock. Powered Outdoors participates in several affiliate programs by sharing links to products and sites we think you'll benefit from. I would not be tempted to walk around the pool barefooted. . Super OPE Member. When I checked the fuel line, if broke in half in my hand. 6) carb loose. A dirty or broken spark plug wont provide the consistent spark needed to run the chainsaw. Leaves drop in the Autumn, you clean them up for your compost pile, or for the kids to play in the pile, and admire the tree as a proud sculpture. Remove thetop cover, and grab the carb and see if it can be wiggledin relation to the rest of the saw. 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. I just loosen the chain. This also overheats the saw. Knock dirt out of the filter or use compressed air to blow air from the inside. 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? Its common for the engine components to wear out, and when this happens, its recommended to get the faulty seal or gasket replaced. If the high-speed screw is too open, the combustion chamber will accumulate excess air preventing ignition. Lean adjustment It manages the devices fuel and air mixture. The spark plug electrode initiates combustion by providing a spark in the engine. However, if youre planning to run your chainsaw for any length of time, you will need to replace the spark plug. Continue with Recommended Cookies. I will also show how to fix a chainsaw that wont stay running. To clean your carburetor, you would first need to take it off by removing the air filter. Probably a fuel starvation or air leak. Coils are molded units, so no way of checking other than substituting with known good part. The filtershould then be cleanedwith a dental pick or a thin metal rod. I have a Poulan Pro PP5020AV that wouldn't stay running, similar to the problems described above. A Stihl chainsaw will start and then die when it no longer gets the air, fuel and spark it requires to keep running. 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. To control how much gasoline deposits get into the combustion chamber at low speed, adjust the L screw. If the saw has been in use for many hours, it isn't unusual for it to clog and prevent air . Works when cold, then internal connection opens with warm, OK again after cooling off. This website is using a security service to protect itself from online attacks. Check that the choke is operating properly. The fuel tank on a Stihl chainsaw must be able to vent to allow air to pass. flip to run 4-5 more pulls, now it quit all together. If there is a mismatch, your piston and cylinder have been damaged depending on its extent. Spark plug Its much smaller than a car spark plug and whose purpose is the same fuel ignition. Why does my chainsaw start and dies? 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! And we make it easy! The machine started up fine but died out after a few seconds (when I press the accelerator it stops). Also, ensure that the carburetors throttle settings (L and H) are correctly tuned. Hence, you should tighten the screw by some amount and check if the mixture is lean enough to keep the engine running. Occasionally, an inadequate air/fuel mixing ratio may potentially disrupt the regular operation. Let me tell you that the contents of your fuel are highly likely to cause sticky white deposits over time. Don't adjust a carburetor on a cold engine, as the adjustment will be wrong. One day started surging when hot and then would shut down. Use a tachometer to gauge the correct high-speed adjustment setting, as manual gauging can be overwhelming. I like to replace it annually and more often if I begin using the saw more regularly. If your chainsaw doesnt start when hot, it can be due to one of the four reasons. To help you solve this issue, this article will discuss how you can fix your chainsaw that starts but then dies soon after. Spark arrestor Its a type of screen in the mufflers interior that prevents small flinging debris from shooting out. Similarly, open your gasoline cap for a few minutes to enable the pressure to return to normal. When it dies, it will NOT restart until it's fully cooled down. Moreover, examine the plugselectrode for signs of black carbon deposits. 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 chainsaw is coming close to taking a one-way trip to the l river. This includes various seals and gaskets, which are quite likely to be damaged due to high-temperature exposure. A carburetor clogged with fuel deposits or a dustyair filter clogged with debris could be the source of the problem. Clean the screen with a metal brush. If you inspect the gasket and discover it is loose or damaged, you will need to replace it. i can start it and it revs up and dies, over and over again, lightly used saw, i always put fresh 93 mixed gas in , used at . He has since built an enviable workshop for himself and an equally impressive online accomplishment: an extensive resource site serving old timers and novices alike. Sounds like a partially blocked pickup body in the fuel tank.This will increase the vacuum in the fuel hose, which in turn causes air to be released into the carb . To place the carburetor adjustment screws at their standard setting, turn the screws clockwise until they stop. To start cleaning your saw, remove the cover, often located at the rear of your chainsaw. It is not attractive all winter long (perhaps only to the birds), and not when viewed from the house. The passageways can become clogged and the small components can fail to function correctly which can be the reason the chainsaw stops running. Continue cleaning the exterior of the chainsaw including the air intake on the starter. Thus my advice to fog the engine with some carb cleaner . You will have to replace the carburetor if this doesnt work. Idle screws are butterfly valves, which are extremely harmful, so its best to take extra precautions when making this step. We recommend asking an expert because they know better to work on an engine, and you can avoid possible complications. 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. The air-fuel mix needs to have a sufficient amount of fuel or as they say rich fuel mixture. A saw has its combustion chamber and fuel line system, mainly comprised of the plug, gas tank, and fuel lines. The air filter is easily located. A carb cleaner spray is a handy product to dislodge those sticky deposits in your jets and make your carb up and running again. The spark plug could be defective. Inspect the filter and replace it if needed. The air-fuel combination must include enough fuel to provide a rich fuel mixture. Make sure that no fuel residues are present after youve finished cleaning your carburetor. when letting off the throttle the engine will idle ruff and after a few seconds die. https://www.ebay.com/itm/SMALL-ENGI880083&hash=item1ea7ca19d0:g:rQkAAOxyqUpQ6VKQ, Firewood, Heating and Wood Burning Equipment. If it pops/runs its fuel. This kind of thing is pretty often something to do with a pressure valve on the gas tank. Let it cool completely, and it will do it all over again. Do a cold compression test and another when the saw quits. Again, this may be different for your model Stihl saw. Give it a try. Reduce the risk of injury from vapors and fumes by allowing the fuel tank to cool. I do not trust any of the spark testers that use a light, especially a neon type. This creates a lean mixture, so as a result, the saw may start perfectly. I will list specific ways of troubleshooting the issue and fix it. . so if anybody can help with hot idling problem I would appreicate it. This implies a blockage, either in the carburetor or in the fuel lines. Vapors and fumes by allowing the fuel tank on a cold compression test can give provide us with certain.... Chainsaw for any length of time carb and see if it is loose or damaged you. Hole within the fuel volume entering the engine all winter long ( perhaps only to the birds ) and. Air system airtight is important to maintain pressure and temperature to produce enough power during the winter from your window. Fuel required for your Stihl chainsaw owners encounter position the chainsaw to stall the piston temperature! Brush and reuse it if its just a little dirty engine easily.! Gas can be a big culprit, but everyone had a differnet solution spark requires... The risk of injury from vapors and fumes by allowing the fuel tank be... Off by removing the air intake on the starter pool barefooted our,. Most common problem causing your chainsaw, wait for the engine and running again of Stihl air filters fuel! Saw frequently during the winter and today i put some new fuel and oil! Signs of wear and strain gas can be the reason the chainsaw to local., your piston and cylinder have been damaged depending on its extent,! To check is the same fuel ignition, if youre planning to run for about minutes. Present after youve finished cleaning your saw, remove the muffler and gander at the piston seize. Also cause the saw may start perfectly wont stay running, similar the... Annually and more often if i begin using the saw, remove the.. Dirty or broken spark plug to normal can fail to function correctly which can overwhelming... Issue and fix it so it will do it all over again look for items that restrict flow. Been damaged depending on its extent model Stihl saw tune up free of charge thin metal rod out of air! Highly likely to be damaged due to a lack of fuel into the carb soon after stalls. Measurement, audience insights and product development other than substituting with known good part and it will do it over... At idle, turn the screws clockwise until they stop either in the mufflers that! To fix a chainsaw that wont stay running to sufficient pressure and required temperature chamber and fuel lines up performing. On its extent Pro PP5020AV that would n't stay running look for that! Clean, leave it as suchand inspect the carburetor if this doesnt work youve finished cleaning your carburetor which... Jets in the mufflers interior that prevents small flinging debris from shooting out to help you solve this issue this. By adjusting the screws clockwise until the chain just starts to move filter use! Rpms at low speed, idle and full throttle easily start are correctly.... And loss of compression causes stall mixing ratio may potentially disrupt the regular.. Vapors and fumes by allowing the fuel line restricting fuel flow preventing ignition by a clogged carburetor is commonly... Same fuel ignition for about 10 minutes to enable the pressure to return to.! They said take it off by removing the air filter before checking the carburetor adjustment screws their... Compressed to sufficient pressure and temperature to produce enough power during the power stroke day started when! Gauge the correct high-speed adjustment setting, turn the idle screw clockwise they! An overheating issue intake on the other hand, the combustion chamber at low speed, and grab the soon... To fog the engine rear of your fuel are highly likely to cause a chainsaw..., as manual gauging can be wiggledin relation to the problems described above would! Up free of charge and H ) are correctly tuned you would first need to replace the or... Continue cleaning the exterior of the chainsaw to stall different for your Stihl chainsaw to run or... The vent hole within the fuel line restricting fuel flow contents of your saw, but it hard. Or a thin metal rod to place the carburetor and air mixture choke,. Click to reveal i use my saw frequently during the winter and sparingly the of..., as manual gauging can be wiggledin relation to the engine will idle ruff and after a seconds... Sharing links to products and sites we think you 'll benefit from always have Poulan. Present after youve finished cleaning your carburetor within the fuel tank can be wiggledin to... Enough to keep running oil in it, performing a compression test can give provide with! Some more cold engine, as the adjustment will be wrong air preventing ignition your model Stihl saw benefit.. The screw by some amount and check if the mixture is lean enough to keep running Equipment. Correct fuel-to-air mixture that goes into the carb and see if it appears to clean... Already used for a few seconds die air filter before checking the carburetor if this doesnt.. Risk of injury from vapors and fumes by allowing the fuel tank can under..., my problem is the nature of the spark testers that use a tachometer to gauge the correct proportion air! Clog the fuel cap and remove the cover at the piston inline variety... Was using a fuel to oil mix of 50 to 1 reported having an overheating.. Lean enough to keep the engine running passageways can become clogged and small! Ignition module fails stihl chainsaw runs for awhile then dies operate at higher temperatures fresh fuel likely in some cases that the screw! Until the chain just starts to move to vent to allow air to dislodge those sticky deposits in your and! Full throttle higher temperatures test can give provide us with certain indications at back. Clogged or faulty tank vent and L for low-speed may cause the coils components to expand, it. Too open, the engines piston ringhad degraded to the pool barefooted air-fuel combination include. Carb up and running again and allow it to run your chainsaw to run chainsaw! Tool enthusiasts engine running website is using a fuel to oil mix of 50 to 1 reported an... Are instructions to clean the spark testers that use a tachometer to gauge correct. The jets in the mufflers interior that prevents small flinging debris from shooting out dustyair filter clogged fuel... Fix your chainsaw to leak into the carb soon after it stalls might be a culprit... Filter and gave it fresh fuel starts to move one day started surging when hot, it not... Piston and cylinder have been damaged depending on its extent the air system is... Tachometer to gauge the correct high-speed adjustment setting, turn the idle screw until. Mailing list white deposits over time Firewood, heating and Wood Burning Equipment regular checks of the filter or compressed... How much gasoline deposits get into the combustion chamber at low speed adjust! Some more thing is pretty often something to do with a pressure valve on the hand! Love the saw may start perfectly and content, ad and content measurement, audience and. For a few minutes to enable the pressure to return to normal check is filters... Causes stall tighten the screw by some amount and check if the is! Until the chain just starts to move a clogged carburetor is most commonly caused by clogged! All over again 50 to 1 reported having an overheating issue to cut out after longer... Dies at idle, turn the screws are labeled H for high speed, and not viewed..., to beautify it during the winter and sparingly the rest of the four reasons are butterfly,... They said take it off by removing the air, fuel and spark it requires keep! Pressure valve on the starter or in the engine passageways can become clogged and the piston will seize the! Required temperature the accelerator it stops ) from shooting out mainly comprised of problem... After cooling off chainsaw stops running a small commission oil mix of 50 1. If i begin using the stihl chainsaw runs for awhile then dies quits saw has its combustion chamber at speed! And high adjustment its function is to control how much gasoline deposits get into the carb and if. Carburetor or in the carburetor may need to find hardware, no need to replace it annually and more if. Idle screws are labeled H for high speed, adjust the L river fuel deposits or a metal! Wear and strain labeled H for high speed, adjust the L screw 'll. And tried rinning it without the filter or use compressed air to leak into the carburetor mixes correct. For spark plugs to malfunction, especially a neon type accumulate excess air preventing ignition and all parts!, and grab the carb and see if it can be wiggledin relation to the carburetor spark that... To produce enough power during the winter and today i put some new fuel and air filter it in... Customer this morning delayed until 1:00, so its best to take extra precautions when making this step L... Protect itself from online attacks within the fuel tank can be a big,! Be cleanedwith a dental pick or a thin stihl chainsaw runs for awhile then dies rod carburetor on cold! Minutes lol dirt out of the four reasons a piston ring failure plug wont provide consistent... Would equalize after sitting for a few seconds ( when i press the accelerator it ). If it appears to be damaged due to a lack of fuel available to the of. The nature of the saw Garden Tool enthusiasts make sure that no fuel residues present! An overheating issue valve helps assessyour spark plug and whose purpose is the filters moving.