If the idle screw is turned up too low, the chainsaw will lose power whenever the throttle is released. You can head to AutoZone and check out what engine heaters are going to set you back. Here's what you might discoverand what you can do to fix the problem: Dirty air filter. myimages2[3]="../../../images/top-banner/behindtheforum.jpg" If the chainsaw cant get enough of either, then this can cause the chainsaw to stall. //specify random images below. Mastering installing the new Carb screen usingan eraser or etc is a killer for me. The ignition system is responsible for igniting the air-fuel mixture inside the engine to create the energy needed to propel your car down the road. Ray. 0 Members and 1 Guest are viewing this topic. Firstly, many exhaust systems have a deflector plate that sends the hot exhaust gasses away from areas where the heat may cause some damage. Not a daily temperamental deal. from the engine for just a brief moment. Using A Chainsaw In A Public Place [What You Need To Know], Should You Let A Chainsaw Warm Up? A Detailed Guidance. Now we are ready to set the business end of the saw. Turn the High mixture screw anti clockwise until the engine The high-speed fuel adjustment screw is turned down to reduce fuel richness if bogging is a problem. Note: This YouTube video gives an excellent overview on removing and replacing an air filter in a chainsaw: If youre trying to troubleshoot a bogging chainsaw, its a good idea to check the air filter and clean it if necessary before you start messing with the fuel adjustment screws on the carburetor. Even the smallest piece of debris that gets past the fuel filter can cause issues the further down the veins it manages to travel, as the veins get smaller and smaller in size. After replacing the plug, adjust the carburetor to reduce the amount of gas. The best to you! RE: Toro 2450 Snowblower Problemh Posted by ewalk (My Page) onSun, Jan 30, 11 at 10:05Big: Sounds like fouled carb . is directing the injector to squirt in a tiny bit more gasoline to make a richer fuel mixture towards the end of warming your car up faster. That's why we refer to it as hesitation, it's a moment's pause before the vehicle actually begins to accelerate and respond in the way you expect it to. I know in your first post you were saying your gas was fresh. When these valves fail to work the fuel can't leave the fuel tank, because it creates a vacuum lock as there's no air coming in to replace the lost fuel. imagelinks[2]="https://woodmizer.com/us/Sawmill-Blades?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=sawmillblades&utm_term=2022-05-01&utm_content=800x160" Adjust idle speed to approx 2000rpm using screw marked LA or . The kitchen will have the same foot print..its fine and works..but every thing else will be shiny and new. Gently take out the muffler and gasket underneath it. There have been numerous people with vast knowledge over the yrs contributing to this forum with their expertise , unfortunately many are no longer with us , honor their contributions not Olivia,s pocketbook. It's never had stabilizer in the gas, so expect there's a bunch of gunk. Balance in front of right hand side Mahonia by cutting maple down to graduating heights from path, with plants on top of each trunk, or maybe plants on two and interesting topiary frame currently on top of too-tall trunk; (3) stick 3 potted plants, maybe all in one planter (have silver one on hand decorated with green leaves & little red berries) on top of grill for when not in use (usually!). This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. When you think about it, that really is the only issue. It's very likely that when you put your foot on the gas to get going and you're experiencing some engine hesitation that instead of picking up speed you're actually going to reduce speed. For instance, we didn't even list a problem with the spark plugs as the cause for that is because it's often not the case. 3 Replies 739 Views June 20, 2014, 07:50:19 AM by Magicman : Sudden acceleration Started by Furby on General Board. Normal starting routine - prime, choke, pull about 3 times til it fires a little, then push choke off, pull a few more times till it starts. The spark plugs may be dirty or worn. Keep us posted . Help please - chainsaw starts fine but dies when given gas. var myimages=new Array() That said, if you do have a problem with your coolant sensor, the fuel injectors, the mass air flow sensor or EGR valve the cold weather situation is just going to make it that much worse for you. The fuel air mixture screws on the side of the carburettor are marked H for High for the engines high speed adjustments and the L means Low for the engines low speed adjustments. The 2-3 hours of running has been in warmer weather. Hope you found what you were looking for in this guide. Keep it for a spare once you have corrected you starting issues . You also should check and clean the spark arrestor, which is a screen located just behind the muffler. The chain is tensioned correctly, not distorted, lubricated and It seems too new to need anything. 18 Replies 1451 Views October 19, 2004, 06:34:12 PM . AutoTune feature. The most common causes of a chainsaw bogging down include: Incorrect fuel mixture Dirty carburetor Clogged air filter Dirty fuel filter or fuel lines A combustion system depends on a proper mix of gas, oil, and air. Remove the top cover of the chainsaw and remove the spark plug boot for safety. Yes! , although that's more of a cause for hesitation rather than the hesitation itself. I'd look at the gas before the oil. The hedge trimmer ran as smooth as you couldexpect. I need help decorating my new house, please! ry=1 I would suggest that in the first instance the carburetor settings are checked. I've now replaced the fuel line (was clogged and constricted) and filter with aftermarket. Often a quick visual inspection is all it will take to determine this. DONYBOY73 The Small Engine Doctor recommends safe practices when working with power tools, hand tools, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Stuck it back on and it fired right up. and check out what engine heaters are going to set you back. imagelinks[1]="http://www.ezboardwalk.com/" Who Pays The Most For Old Cars Near Me? yes those diaphragms should be flexible. 25 degrees out this AM. The spark arrestor grating is a little more difficult to clean, however, as it is relatively delicate. When diaphragms age or are made from a substandard materials they can go stiff and rigid. That's of course down to fuel starvation - if you suspect that the fuel tank cap is at fault slightly unscrew it to allow air to come through so it's doing the job of the actual valve itself. If the engine has been smoking, which is an indication that the fuel/air mixture is too rich, carbon deposits on the screen and prevent circulation through the combustion chamber. However when the free flow of fuel is interrupted by debris or dirt in the veins, it can begin to cause problems. Hyperlink reference not valid. Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. If this fails you may have to remove the float bowl and ensure that the inlet needle valve is moving freely under the float . As we have seen there are a number of different parts that can react to the cold weather which in turn causes your engine to hesitate because of the cold weather. Wait 10 seconds between adjustments to allow the carburetor mixture to stabilize. In the annoying situation of the engine still not performing as required after the settings have been corrected then I would suggest an inspection of the exhaust system. If your fuel pump isn't working the way it's supposed to, then it's not going to be sending the right amount of fuel to the engine and that's going to end up causing some engine hesitation. That's why we refer to it as hesitation, it's a moment's pause before the vehicle actually begins to accelerate and respond in the way you expect it to. on General Board, Started by Burlkraft Problems with the ignition system will often cause the engine to misfire and hesitate under load. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. However, if you can get the car up to temperature and all the problems seem to go away then it truly is a problem related to cold weather. Now slowly turn in the screw to a position where it idles the best. This is likely to happen especially if you use gas containing more than 10 percent ethanol, which Stihl doesn't recommend. I would not give the local Dealer 2 cents of business , if required there must be other honest small engine repair shops who will assist with a reasonable repair cost . //-->,