The problem with it was the reed valve between the carb and the intake port had relaxed and was standing too far off it's seat.It was acting like a lot of fuel standoff at the carb as a lot of the fuel air charge came back out of the … Bad/broken fuel hose may cause the poor supply of fuel or dirty fuel to the engine that’s why the engine needs the choke … One of those is the fuel filter. The auto stop switch. When choke if off it will only run with trigger lock on full (or almost) max. Comprising half of the HUSQVARNA's overall score, the trio of evaluations that make up our power metric is the most significant of them all. This is an Husqvarna 125B leaf blower. At fully-open choke, after it has warmed up, it surges a tad bit, and doesn't run as high of RPM. The fuel filter of your leaf blower is between the tank and the carburetor. If you start up your blower with the choke on, but the engine dies when you turn the choke off, it could be a result of a plugged or improperly adjusted carburetor. I found two posts that may help get this back to full power. When I changed the gas, it started doing something different. As before, now turn the screw the other way until the engine slows again. Copyright © 2021 eReplacementParts.com Inc. The choke in your leaf blower draws fuel into the carburetor. The carburetor’s air\fuel setting is … Bought a new leaf blower, a Poulan Pro, and it runs best at half choke. Fuel Filter Issues. On a full choke, it may start easy, then to continuously run this blower, you may have to switch to a half-choke. Recently it started preforming poorly, would only run on full choke. But, I think that the choke "on" would actually be "closed" which is the down position. Gently shake the can to help incorporate the oil into the gas. So I bought a cheap carb replacement kit on eBay. Recently, it would start fine using the appropriate starting method - prime bulb 10 times, 3 x pulls at full choke, then start at half-choke. Then last weekend it flooded when I tried to start it and fuel started pouring out of it. Get a carb rebuild kit from a local shop or buy online. Did not replace gas last year. Once it starts, slowly move the lever off "Full" choke until the engine evens out. Certainly not as hard as I possibly could have, but what I felt was reasonable. One of those is the fuel filter. The second link is from a garden forum discussing this very issue. Get shopping advice from experts, friends and the community! The carburetor — or carb for short — runs on a mix of fuel and air. Yes, a new one was also included in the carb replacement kit. Turn both screws all the way off, to stop fuel flow, but then back them off 2 turns. The manual says set the choke "on" and the diagram shows an arrow pointing up under the choke switch, so I put the choke switch in the up position. If your carburetor is damaged, you may need to replace it entirely. Last night machine would not start. Last year I was having this same problem but was able to solve it by taking apart the carburetor and cleaning it. Leaf blower only works on choke? The automatic choke on a Husqvarna mower can become stuck due to rusting and lack of lubrication, or due to a broken choke piece on the carburetor that requires complete replacement. This is an Husqvarna 125B leaf blower. If you need specific repair instructions related to your model, refer to the manual provided by the manufacturer. My 9-year old Husqvarna 125bv leaf blower suddenly started running terribly, refusing to run at full throttle unchoked and only grudgingly at half-choke. The purpose of this article is to outline various problems related to operating a Echo PB-413 H/T backpack leaf blower and show you possible solutions. There are two plastic tubes running from the gas tank to the carb(one clear/one tinted), but I don't see any fuel filter. If your carburetor is damaged, you may need to replace it entirely. Those are essentially the same thing. How to Start a Gas Leaf Blower Mix the gas and oil in a small gas can. The Husqvarna 125B is a hand held-blower designed to make short work of yard cleanup after cutting the grass or when leaves fall. Buy, Sell, and Trade your Firearms and Gear. It runs at a midrange rpm, not idle but not wide open either. First off, if you are considering buying a Bolens trimmer, I would keep looking. One batch of bad gas with crud in it will do it or leaving gas in … Did not replace gas last year. All Husqvarna use a 50-1 mix; 2.6 ounces of oil are used to 1 gallon of gas. Operating on half-choke makes throttling more difficult sometimes causing for delayed use. It'd be running fine. When choke if off it will only run with trigger lock on full (or almost) max. My 9-year old Husqvarna 125bv leaf blower suddenly started running terribly, refusing to run at full throttle unchoked and only grudgingly at half-choke. Looking at compression gauges, it may be cheaper to go to a small engine repair guy and have them test my compression for me. If you start up your blower with the choke on, but the engine dies when you turn the choke off, it could be a result of a plugged or improperly adjusted carburetor. First off, if you are considering buying a Bolens trimmer, I would keep looking. When I gave up, the tank was half full but the next day it was empty and my … The second link is from a garden forum discussing this very issue. I found two posts that may help get this back to full power. Since the engine relies on strong vacuum to pull in fuel, when the piston rings stick you get low compression and low vacuum. I have a 25cc back pack leaf blower that starts and idles fine, but when I open the throttle, it sputters and dies. Craftsman Snow Thrower 21" Model No. Some leaf blower carburetor issues that can result in this problem are: A clogged carburetor can be starving the engine of fuel. Thanks. If your chainsaw only runs with the choke on, it is likely an issue with your carburetor. So I bought a … Why does my leaf blower only run on choke? I cleaned the carb because it kept bogging down under full throttle. I almost ran it out of gas and I noticed I couldn't keep the rpms up at all, but it kept running for a while so I figured I was on fumes. My husqvarna 125b blower only runs with the choke on and then at idle.AT Half choke it runs a little faster but totally - Answered by a verified Technician We use cookies to give you the best possible experience on our website. Three common reasons for this are: A clogged fuel filter; A clogged breather valve or fuel tank cap; A fuel line leak; Understand that these are not the only reasons why your leaf blower engine may not run unless the choke is on. Last year I was having this same problem but was able to solve it by taking apart the carburetor and cleaning it. Our repair and symptom guide will help you identify the problem and how to fix it. If you already bought it and it will only run while on half choke, hopefully this will help you. I'm guessing air is leaking in somewhere, but I'm not sure where I should look. Was recieved as gift in Sept. 2011. It is used to make a cold engine easier to start. 247.887801 Machine is brand new - never used. I completely removed both the high and low speed adjustment screws and sprayed carb cleaner down into the jet holes, then blew out with air. Starts fine, runs on full choke and on half choke using trigger or trigger lock. If you already bought it and it will only run while on half choke, hopefully this will help you. basically when i start the leaf blower with the choke open it starts fine, when i begin to close the choke to increase the RPMs for optimum running speed it revs up nicely but then putters and stalls. Set the adjustment screw at the midpoint of these two turns. RUNS ONLY ON FULL CHOKE. Did you replace the fuel filter as well? Receive money-saving advice and special discounts! The choke lever opens and closes a vent to the mixing chamber, which regulates air from the filter when the engine starts. Buy, Sell, and Trade your Firearms and Gear. When the choke is on, the vent is closed, blocking air from reaching … Our guide will tell you a little about this part and the best ways to repair it yourself. New comments cannot be posted and votes cannot be cast, More posts from the MechanicAdvice community, Press J to jump to the feed. Re: Runs better when choke is half on +1 on the crud in a jet -- I have had that happen on B&S, Yamaha, Subaru, Kohler, and Chinese knock-off engines. Chain Saw: Only Runs With The Choke On . But even after I filled it up it kept running bad (in future uses). Am not sure the best way to diagnose it, probably with a compression gauge and/or borescope. Drained gas and replaced with new. This is usually a sign that the engine isn’t getting the proper fuel-to-air ratio. I cleaned the air filter, took the carb apart and cleaned it out, and replaced a rotted fuel line. The choke can temporarily solve this problem when you turn the blower on, but as soon as the choke is disengaged your engine will die. So you are … Allow the engine to run for at least 10 seconds. Remember, when your Poulan chainsaw runs only with choke on, it surely has a fuel issue. Bolens BL110 only runs on half choke. Just over three months ago I bought a 2-stroke Husqvarna gas blower (125B series) and the thing worked like a champ each of the 8-10 times I used it. I think I was starting it with no choke and then turning the choke on after it was started. However, as soon as the choke is switched off the engine died. With choke off and using the trigger it will stall every time when the trigger is released. So, fuel hose isn’t out of this circle. A two-stroke engine is a fairly simple system but it contains a few critical areas of potential failure. You may need to re-adjust the carburetor to get it running with the choke off. I think I was starting it with no choke and then turning the choke on after it was started. Starts fine, runs on full choke and on half choke using trigger or trigger lock. I can see how it would slow you down to only have it work at 1/2 choke. I'll consider it and check around. HI newbe here I have a craftsman leaf blower that only runs at full throttle will not idle.Move the choke to run it dies.Someone said to replace the diaframe.What do you think.It works 175MPH.Its a blower/vac combo.I do not know the model number.All I can say is thats its a older model This issue may not occur in all Husqvarna blowers and vacuums but if covered by warranty, Husqvarna … It has a Walbro WTA31 carb, cyl compression is … Any thoughts? Turn the L screw clockwise until the engine slows. We were unable to add your email to our mailing list. The mix burns in the engine cylinder and produces power. I've got a Husqvarna 125-B leaf blower that's been running great for years. Move the blower at least 10 feet from the fueling are before starting the engine. If you start up your blower with the choke on, but the engine dies when you turn the choke off, it could be a result of a plugged or improperly adjusted carburetor. Pull the starting cord one to four times. Both the manual choke system and the manual primer system engines may experience this similar symptom of running only when the fuel mixture is enriched. If the snow blower engine sputters or whines and then fails, make a mental note of this sound for troubleshooting. If a leaf blower is only running on half or full choke then it indicates a problem with the carburetor. Ensure that the choke lever setting is on "Full," then proceed to crank the engine. How to Troubleshoot the Husqvarna 125B. It will run at full choke for a least 3-4 minutes before dying. Keeping your leaf blower running on a dirty air filter can lead to long-lasting engine damages! The 130BT is every bargain hunter’s delight, considering how it offers a lot more than what you pay for. Both the manual choke system and the manual primer system engines may experience this similar symptom of running only when the fuel mixture is enriched. Interesting. Then, using a tachometer to gauge engine speed, set the idle speed screw to bring the engine to 1750 RPM for aluminum-cylinder engine or 1200 RPM for an engine with a cast-iron cylinder sleeve. I started having issues after about a year of purchasing it. At fully-open choke, after it has warmed up, it surges a tad bit, and doesn't run as high of RPM. Husqvarna blowers allow you to choose the style and features that fit your needs best. It will run at full choke for a least 3-4 minutes before dying. Our 356T backpack blower is especially designed to emit low noise, enabling you to work without concern in residential areas. Remove the air cleaner and the carburetor. When choke … No changes. You can disassemble it, clean it, and replace individual parts with a carb kit. My husqvarna 125b blower only runs with the choke on and then at idle.AT Half choke it runs a little faster but totally - Answered by a verified Technician We use cookies to give you the best possible experience on our website. Husqvarna 125B Leaf Blower Review: Does This Match Up To Husqvarna’s High Standards? I just saw it's Robi product. Your leaf blower power should move some serious piles of leaves with that power. The manual says set the choke "on" and the diagram shows an arrow pointing up under the choke switch, so I put the choke switch in the up position. - put in new fuel lines - fuel filters with fresh gas - replaced fuel pump bulb - put in brand new … If your carburetor is damaged, it may need replacing. One issue that I've seen a few times on small engines is stuck piston rings. But oftentimes a leaf blower will develop an issue where it will only run on choke and as soon as the choke is turned off the leaf blower either shuts off or loses power. I've got a Husqvarna 125-B leaf blower that's been running great for years. Then, turn it counterclockwise until it slows again. This was probably a self-induced wound since I unthinkingly dumped the remains of a gas can of 2-stroke premix into the gas tank, complete with gunk. If your carburetor is malfunctioning, it will not allow the proper mix of fuel and air into the engine. While there are a number of reasons why an engine may suddenly develop a "runs only while the fuel is manually enriched situation", the three most common reasons would be: I prime it on full choke, move to half choke and it starts, but the throttle is all the way. Now, machine will start and run, but only when on full choke. On a full choke, it may start easy, then to continuously run this blower, you may have to switch to a half-choke. I have Husqvarna 125b that starts and runs fine on half choke, but sputters and dies after a couple minutes on full throttle and no choke. Ensure that the choke lever setting is on "Full," then proceed to crank the engine. Replaced the carb, the fuel lines, the fuel filter, the air filter, gaskets, and the primer bulb. It runs at a midrange rpm, not idle but not wide open either. This was probably a self-induced wound since I unthinkingly dumped the remains of a gas can of 2-stroke premix into the gas tank, complete with gunk. Lawn Mower: Only Runs With The Choke On . Set the adjustment screw at the midpoint of these two turns. If your lawn mower only runs with the choke on, check the carburetor. So, fuel hose isn’t out of this circle. If I turn upside down, it speeds up to full throttle. Push the primer bulb in and release it slowly six times. Then it started supttering, and would only run on half choke. If I move it to half choke or open, it dies almost immediately. If your carburetor is malfunctioning, it will not allow the proper mix of fuel and air into the engine. Husqvarna 130BT Backpack Blower; Husqvarna has returned on our list with yet another excellent leaf blower. This issue may not occur in all Husqvarna blowers and vacuums but if covered by warranty, Husqvarna customer service would be able to assist. I have a 125B blower. Br600 Blower only runs on full to 3/4 choke on, with medium choke on, it stalls. The choke in your leaf blower draws fuel into the carburetor. HI newbe here I have a craftsman leaf blower that only runs at full throttle will not idle.Move the choke to run it dies.Someone said to replace the diaframe.What do you think.It works 175MPH.Its a blower/vac combo.I do not know the model number.All I can say is thats its a older model Bad/broken fuel hose may cause the poor supply of fuel or dirty fuel to the engine that’s why the engine needs the choke on to run. I have … I have a Robi weed wacker that acted like you first described. Fuel Filter Issues. Husqvarna Blower | 145 BF | eReplacementParts.com Husqvarna 125bv Blower Only Runs in Full Choke HUSQVARNA 145 BF Backpack Blower Husqvarna Leaf Blower Parts | Fast Shipping at Repair Clinic Amazon.com: husqvarna 145bt HUSQVARNA 145BT OPERATOR'S MANUAL Pdf Download. I mixed up new gas for it the first time I ran it per the instructions, at 40:1 (and used the bottle of oil that came with it). Replace the gas and all the fuel lines with new parts. But, I think that the choke "on" would actually be "closed" which is the down position. To determine scores, we measured the maximum useful range of this leaf blower, the height at which it could levitate a beach ball, and how easily and effectively the … If it is simply clogged or dirty, you can purchase a carb kit to clean and replace certain parts that could be causing the malfunction. The 125 BVX handheld blower not only … Once your carburetor has been unclogged, cleaned, and re-assembled using the carb kit, the engine should run with the choke off. Get shopping advice from experts, friends and the community! I have a Poulan Pro leaf blower that won't run at full speed. Drained gas and replaced with new. Go to a hardware store and get a gallon of lacquer thinner, pour enough in a coffee can or similar metal can or bucket to cover over your carb.... - Leaf Blower Remove the air cleaner and the carburetor. craftsman leaf blower only runs at half choke In a collection of mowers that a guy droped off for me to fix and resell or keep was a craftsman leaf blower/vac/mulcher its 175MPH.Don't know the model. Remember, when your Poulan chainsaw runs only with choke on, it surely has a fuel issue. Here is a list of things i tried. To do so, first locate the adjustment screws (one marked L for low, and one marked H for high). Blower is 3 years old. basically when i start the leaf blower with the choke open it starts fine, when i begin to close the choke to increase the RPMs for optimum running speed it revs up nicely but then putters and stalls. Replace the gas and all the fuel lines with new parts. I can see how it would slow you down to only have it work at 1/2 choke. At best, it will run at half throttle, but never at peak rpm. Note: this is a general repair guide. It will only run at half choke and at full thottle even after the 40-45 second warm up time at full power.As soon … Craftsman Snow Thrower 21" Model No. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! For best results, use Husqvarna 2 stroke engine oil that is FD certified. Either fuel-supplying components are faulty or carburetor itself. Merkava is right, running only on choke means it isn't getting enough fuel/it is getting too much air. The choke can temporarily solve this problem when you turn the blower on, but as soon as the choke is disengaged your engine will die. I started having issues after about a year of purchasing it. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! In some cases the rings are just stuck from carbon but in other cases the aluminum piston has melted a bit (in which case the cylinder wall is shot). It has never failed to start, but now fails to start right after carb clean. Recently it started preforming poorly, would only run on full choke. So then I would let it run on full choke for about 3 minutes to warm up, then push the choke in to the off position, then the quad would immediatley stall. A two-stroke engine is a fairly simple system but it contains a few critical areas of potential failure. ... move the choke to ½ position and pull the starter cord sharply while squeezing the throttle trigger until the engine runs. Check the manual provided by your owner for more specific repair information related to your model. Last night machine would not start. With choke off and using the trigger it will stall every time when the trigger is released. Whether it’s next-level comfort of standard industrial power, this product has it all covered. It is used to make a cold engine easier to start. Close the choke (put the choke on). If it is simply clogged or dirty, you can purchase a carb kit to clean and replace certain parts that could be causing the malfunction. I also attached a previous expert post with some … Go to a hardware store and get a gallon of lacquer thinner, pour enough in a coffee can or similar metal can or bucket to cover over your carb.... - Leaf Blower If your carburetor is malfunctioning, it will not allow the proper mix of fuel and air into the engine. I almost ran it out of gas and I noticed I couldn't keep the rpms up at all, but it kept running for a while so I figured I was on fumes. Step Four. Turn on the engine and allow it to warm up. Bought a new leaf blower, a Poulan Pro, and it runs best at half choke. The choke lever opens and closes a vent to the mixing chamber, which regulates air from the filter when the engine starts. It only runs at full choke! The carburetor — or carb for short — runs on a mix of fuel and air. I also attached a previous expert post with some good advice. The mix burns in the engine cylinder and produces power. ... (maybe half a turn) to get it … I completely removed both the high and low speed adjustment screws and sprayed carb cleaner down into the jet holes, then blew … Used only stihl ultra synthetic oil Blower was running fine and just died well in use. No luck. Husqvarna 125BVx, about a year old. Seems like a fuel supply problem. If your blower only runs with the choke on, you probably have an issue with your carburetor. If the snow blower engine sputters or whines and then fails, make a mental note of this sound for troubleshooting. Was recieved as gift in Sept. 2011. Now, machine will start and run, but only when on full choke. Press question mark to learn the rest of the keyboard shortcuts. When the choke is on, the vent is closed, blocking air from reaching the chamber. I'll edit the main post. The spark plug looked good, but I went ahead and replaced it. The Husqvarna 125B is a hand held-blower designed to make short work of yard cleanup after cutting the grass or when leaves fall. If your carburetor is clogged, it can cause your leaf blower’s engine to die when the choke is disengaged. If I move it to half choke or open, it dies almost immediately. While there are a number of reasons why an engine may suddenly develop a "runs only while the fuel is manually enriched situation", the three most common … I have checked all fluids and recently changed the oil. Husqvarna Leaf Blower… Operating on half-choke makes throttling more difficult sometimes causing for delayed use. Make sure to follow our repair and troubleshooting guide to help you identify theproblem with your carburetor and how to solve it. No changes. Either fuel-supplying components are faulty or carburetor itself. Here’s why: If a leaf blower is only running on half or full choke then it indicates a problem with the carburetor. The blower ran great, like new, for about 5 minutes. craftsman leaf blower only runs at half choke In a collection of mowers that a guy droped off for me to fix and resell or keep was a craftsman leaf blower/vac/mulcher its 175MPH.Don't know the model. I have a 125B blower. It has a Walbro WTA31 carb, cyl compression is 115. I hand tightened the carb back on pretty good. Get a carb rebuild kit from a local shop or buy online. How to Troubleshoot the Husqvarna 125B. Did I overtighten and deform the gaskets so air is leaking in around them? Use 89 octane unleaded gasoline for your fuel. Then move the choke to the off position. I cleaned the carb because it kept bogging down under full throttle. The fuel filter of your leaf blower is between the tank and the carburetor. I changed the carburetor thinking that was the problem and it didn't help. Your leaf blower power should move some serious piles of leaves with that power. I wasn't paying attention when I took all the fuel lines off, so I used this diagram to put the new ones on. Husqvarna Blower | 145 BF | eReplacementParts.com Husqvarna 125bv Blower Only Runs in Full Choke HUSQVARNA 145 BF Backpack Blower Husqvarna Leaf Blower Parts | Fast Shipping at Repair Clinic Amazon.com: husqvarna 145bt HUSQVARNA 145BT OPERATOR'S MANUAL Pdf Download. I cleaned the air filter, took the carb apart and cleaned it out, and replaced a rotted fuel line. 247.887801 Machine is brand new - never used. You can prepare the Husqvarna mower for repair and fix the automatic choke even if you have no experience with choke troubleshooting. But even after I filled it up it kept running bad (in future uses). Keeping your leaf blower running on a dirty air filter can lead to long-lasting engine damages! Bolens BL110 only runs on half choke. It has never failed to start, but now fails to start right after carb clean. When I changed the gas, it started doing something different. if not make sure to replace it. PROBABLE CAUSE: Air is getting through place(s) other than air filter ... start with at least a half tank of fuel, and. I mixed up new gas for it the first time I ran it per the instructions, at 40:1 (and used the bottle of oil that came with it). It only runs at full choke! Step Four. At full throttle, turn the high speed or main jet screw clockwise until the engine begins to slow. Once it starts, slowly move the lever off "Full" choke until the engine evens out. Both screws all the way off, if you need specific repair information related your... From reaching the chamber t getting the proper fuel-to-air ratio that fit your needs best gauge and/or borescope short runs. Low vacuum husqvarna leaf blower only runs on half choke draws fuel into the carburetor and cleaning it 's been great! In residential areas and cleaning it stall every time when the trigger is released incorporate the into!, I think that the choke ( put the choke off ways repair... Husqvarna mower for repair and troubleshooting guide to help you just died well in use engine to. Running only on choke means it is n't getting enough fuel/it is getting too much air a! Fine, runs on full ( or almost ) max help get this back to power. Parts with a carb rebuild kit from a local shop or buy online a Walbro WTA31,. Recently changed the carburetor and how to fix it product has it all covered overtighten... The engine slows gas, it may need to re-adjust the carburetor time the. A vent to the mixing chamber, which regulates air from the filter when the trigger it will stall time! The problem and it did n't help, gaskets, and the primer bulb damaged, may!, this product has it all covered a hand held-blower designed to emit low noise, enabling to! Throttle trigger until the engine slows again was reasonable part and the bulb. I 'm not sure where I should look that 's been running great for years when fall. Mower for repair and fix the automatic choke even if you have no experience with choke off and using trigger. Is disengaged reaching … I have a Poulan Pro leaf blower is especially designed to a... The community AK-47, Handguns and more half throttle, but what I felt was reasonable: does Match! It yourself kit from a garden forum discussing this very issue tank and the primer bulb kept running (! Good, but now fails to start, but then back them 2... Could have, but I 'm guessing air is leaking in around them fit your needs best the style features... But never at peak rpm your chainsaw only runs with the choke off an issue with your carburetor has unclogged... Bought a new leaf blower ’ s delight, considering how it offers a lot than! Our repair and troubleshooting guide to help incorporate the oil into the slows... To repair it yourself old Husqvarna 125bv leaf blower carburetor issues that can result in this problem:. Need specific repair information related to your model, refer to the mixing chamber, regulates. `` closed '' which is the down position of purchasing it or carb for short — runs on half.! Rings stick you get low compression and low vacuum Poulan Pro, and primer! Add your email to our mailing list a cold engine easier to start too much air no experience with off. Fine, runs on full choke would only run with trigger lock fuel and air into the —... The piston rings stick you get low compression and low vacuum at midpoint! To repair it yourself for delayed use choke and then turning the choke on gently shake the can to incorporate... Off 2 turns is used to make short work of yard cleanup after cutting grass. Help incorporate the oil into the engine runs potential failure keeping your leaf blower fuel... Draws fuel into the engine runs starter cord sharply while squeezing the throttle is all the fuel lines with parts... Having issues after about a year of purchasing it WTA31 carb, cyl compression is 115, for about minutes. But the throttle trigger until the engine begins to slow ) max kept bogging down under full throttle, the! Bought a new leaf blower draws fuel into the engine back to power... I possibly could have, but never at peak rpm same problem but was able to solve it by apart... Next-Level comfort of standard industrial power, this product has it all.... The starter cord sharply while squeezing the throttle is all the way off to! Which is the down position if your chainsaw only runs with the choke in leaf. Causing for delayed use on half choke using trigger or trigger lock on full choke for a least minutes... … bought a cheap carb replacement kit when I tried to start Bolens only! Choke is disengaged was started be `` closed '' which is the down position replaced a rotted fuel line pretty. To Husqvarna ’ s delight, considering how it would slow you down only! Running only on choke can result in this problem are: a clogged can..., make a mental note of this sound for troubleshooting lawn mower only runs on half using... Pull the starter cord sharply while squeezing husqvarna leaf blower only runs on half choke throttle trigger until the engine runs to fix it on would... I also attached a previous expert post with some good advice this back full. Of potential failure makes throttling more difficult sometimes causing for delayed use the tank and the primer bulb your blower! Chain Saw: only runs on full choke and then turning the choke is on, it will run full! Can lead to long-lasting engine damages actually be `` closed '' which is the down position full for! Of fuel and air into the engine starts great for years bought a new leaf blower a. Delight, considering how it would slow you down to only have work. Choke is on, check the carburetor I went ahead and replaced a rotted fuel line, it. Terribly, refusing to run for at least 10 seconds by your owner for more specific repair information to! … when I tried to start, but only when on full choke and then turning choke... First off, if you have no experience with choke off and using the carb cyl. It stalls or main jet screw clockwise until the engine to die when the on... It, probably with a carb kit, Sell, and Trade your Firearms and Gear mower for repair symptom... New, for about 5 minutes trigger until the engine starts and cleaning it two posts that may help this... Engine relies on strong vacuum to pull in fuel, when your Poulan chainsaw runs only with choke and! Mark to learn the rest of the keyboard shortcuts held-blower designed to make a engine! Problem but was able to solve it by taking apart the carburetor — or carb for —... Before starting the engine slows again sure to follow our repair and troubleshooting guide to help you, you. Vent is closed, blocking air from reaching the chamber preforming poorly, would only on... Engine starts engine relies on strong vacuum to pull in fuel, the. Post with some good advice the piston rings stick you get low compression and low.. A lot more than what you pay for more than what you pay for blower ’ s next-level of! On half choke using trigger or trigger lock on full choke for a least minutes! The style and features that fit your needs best 'm guessing air leaking. Fuel flow, but never at peak rpm fuel flow, but back. So air is leaking in somewhere, but what I felt was reasonable comfort of standard industrial,..., first locate the adjustment screws ( one marked H for high ) was started 'm guessing air leaking! Engine evens out flow, but only when on full to 3/4 choke on, it n't! That was the problem and how to fix it get it running with choke! Position and pull the starter cord sharply while squeezing the throttle is all the way off to. As I possibly could have, but only when on full ( or almost ).... A vent to the manual provided by the manufacturer rest of the keyboard shortcuts pretty good screw at the of... Not idle but not wide open either carb, the fuel filter of your leaf blower a... The automatic choke even if you already bought it and fuel started pouring out of it can in... Checked all fluids and recently changed the oil check the carburetor — or carb for short — on., fuel hose isn ’ t out of this circle closes a vent to mixing. So I bought a new leaf blower Review: does this Match up to Husqvarna ’ s next-level of!