Hold times are long. 3. When this happens, the engine won’t start. 4. If the carburetor is clogged, try cleaning it with carburetor cleaner. How to fix a leaf blower that won’t start? When the recoil starter assembly isn’t working properly, the blower won’t be able to start. 1. I seem to get fuel into the primer bulb ok. You can follow this procedure to replace the carburetor on basic Weed Eater, Husqvarna, Poulan leaf, Craftsman, Troybilt, and MTD leaf blowers. Fresh gas to start the year. (Possible Causes & Fixes) Don’t Assume You Need a New Leaf Blower. It could be a faulty carburetor, spark plug, recoil starter, rewind pulley and spring, or another component. Springs can be replaced individually but it also may be easier to replace the whole rewind spring and pulley assembly instead. I have a Craftsman/Poulan leaf blower that runs pretty good. It will leave a sticky residue which prevents the engine from starting. I keep pulling the engine and it wont start at all. Using a socket or spark plug wrench, remove the spark plug carefully. Ryan Womeldorf has more than a decade of experience writing. The B250 is equipped with Easy Start technology for simpler … Stale fuel is the most common reason why a leaf blower won’t start. This is a prime indication that the engine may have flooded. When the starter rope is pulled and released, the rewind spring recoils the starter rope onto a pulley. I've confirmed that the gas ... Leafblower wont start. Shipping all 7 days! 1. Pull the cord. The leaf blower engine needs gas, compression and spark in order to start. As a result, the engine won't start. It is always easier to clean it out rather than reconstruct it or replacing it. 5. To combat this, make sure that you set the choke lever to “run” and then turn the throttle lever up to its “fast” positioning. And when this happens – you guessed it – the engine won’t start. Already ordered? I don't think it's spraying fuel into the barrel. Much the same as the carburetor can become clogged, so too can the fuel filter. It is usually due to fuel that has been left in the leaf blower for too long, becoming thicker and stickier, clogging up the fuel filter in the process. If the fuel filter is partially clogged with debris or dirt, the fuel filtration rate … How To Get Kerosene Out Of Carpet (Step-by-Step Safe Removal). You can also purchase a carburetor kit to help you clean out your carburetor. Kerosene is known for being one of the most pungent types of fuel on the market, and if you are like many people out in the country, you sometimes have to carry it indoors during winter months. To determine if the spark plug is defective, use a spark plug tester. I believe it needs a carb cleaning. The ignition coil in particular is meant to send the appropriate amount of voltage through to the spark plug as the engine is running. Cleanup your yard with powerful leaf blowers from Sears. The B210 is equipped with Easy Start technology for simpler pull starts and user-friendly features enhance the design of the Craftsman blower, such as the translucent fuel tank and the variable speed throttle with cruise control. Don’t see a spark? Sometimes after filling the gas tank, you may potentially notice a strong smell of gas. First, make sure there's fresh gas in the tank-old gas accumulates water and burns poorly. Craftsman is one of the most trusted names in the world for power tools and outdoor tools. Most gas leaf blowers use a mixture of gas and two-cycle oil. A clogged carburetor is most commonly caused by leaving fuel in the leaf blower for a long period of time. If you have done everything above, but the engine still will not start, try removing the spark plug, and placing a teaspoon of gas directly into the cylinder. And the better education that you have concerning your leaf blower, the more adept that you will be in bringing it back into working condition. He loves to blog about construction, plumbing, and other home topics. Old fuel left in the tank for so long causes this. I have replaced the plug, removed and cleaned the carb. If the rewind spring is broken, the rope won’t be able to recoil onto the chainsaw pulley. Tried priming, not priming etc. Look for signs of damage. Also replaced fuel filter. Unlike the carburetor, however, you can’t simply clean the mess up. Look for damage. Inspect the spark plug for signs of wear or damage. When you release that rope, those tabs should retract, and the rope will then rewind itself back to the pully. 1. While that fuel is allowed to sit, some of the ingredients within eventually evaporate. The rewind spring will coil whenever the starter rope is pulled and then released. 3. The problem is the thing refuses to start after you shut it off hot. 1. When you release the rope, the tabs should retract and the rope should rewind back on the pulley. That should be enough to get the engine starting seamlessly again. Next day, won’t start again. Checking the oil is pretty simple. When the filter becomes clogged with the stickier substance, it can become far too ineffective to fix again. 01 - Spark Plug. The Primer bulb is pulling fuel through the carburetor but it's going in and out. You will need to inspect it for any signs of damage. So when it wouldn’t start, I just gave up and decided to try again the next day. Another major reason that your leaf blower may not work is that the carburetor may be clogged. Find Craftsman in Lawnmowers & Leaf Blowers | Buy or sell lawnmowers or leaf blowers in Manitoba – get a lawn tractor, John Deere, Kubota, Honda, and more to … It’s a Craftsman, 2 years old, was absolutely reliable until this incident. Follow the same steps, except you would check the oil level and condition after removing the spark plug. If the recoil starter assembly is defective, the leaf blower won't start. Set the choke lever to the "Run" setting and turn the throttle lever to the "Fast" position. Testing the ignition coil. If it looks like a simple cleaning will do fine, clean it and put it back into place. Adjusted the carb. 2. When you pull the starter rope, tabs extending from the pulley and cam should grab the hub on the engine, causing the engine to turn. Not just a blower, this Husqvarna model means you won’t need another tool or machine as it doubles up as a leaf vacuum. First, make sure there's fresh gas in the tank-old gas accumulates water and burns poorly. Model # 358.797180, 200 mph. If you have old fuel left in your leaf blower, you will need to drain it out of your fuel tank and then replace the filter entirely. Ryan also loves hockey and a lifelong Buffalo sports fan. If the porcelain insulator is cracked, an electrode is burned away or damaged, or there is heavy carbon buildup at the electrode, replace the spark plug. To test the ignition coil, use an ignition coil tester to do the job. The starter pulley will wind up the starter rope whenever it isn’t in use. Remove the screws holding your carb to the leaf blower. After all, there are plenty of components to a leaf blower and the entire unit failing to turn on can seem like the end of the line. In most cases, it just requires a little maintenance and it will be back to running like new. Start doing it yourself with the confidence that comes with 100+ years of experience. Spark Plug. The air filter can become clogged, leading to the engine getting way too much fuel and nowhere near enough air. If it still will not start, place your thumb over the opening of the carburetor and pull the rope a few times. If this is the situation you find yourself in, try to clean the carburetor out using carburetor cleaner. That sticky fuel is what eventually clogs the carburetor and prevents the engine from being able to start. Find the answer to this and other Home Improvement questions craftsman leaf blower won t start poulan leaf blower won t start homelite leaf blower won t start How to Repair a Gas Leaf Blower. These are all signs that your spark plug is defective and needs to be replaced. They have developed a reputation for creating some of the best, most reliable tools out there regardless of your need. Remove the assembly. If the recoil pulley is broken or stuck, it won't be able to rewind the starter rope. Poured teaspoon of gas/oil into spark plug opening and it started but died after a few seconds. For the electric one, the starter is like a switch button, while for the gas-powered leaf blower, it is a cord that is pulled to power on the leaf blower. But if the filter is beyond cleaning, simply replace it and install the new air filter in its place. Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! If the leafblower motor won’t turn over even though there’s fuel in the tank, the carburetor could be the issue. However, sometimes, the wrap can slip off. Next day, won't start again. Since gas is not the only way to power your tools, it is important to know why your electric leaf blower won’t start, either. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. You could reconstruct the carburetor, utilizing a nicely endorsed new part. When you pull the starter rope, there are tabs that extend out of the pulley and came, and they should grab onto the hub of the engine; this is what causes it to turn. The fuel will begin to evaporate, leaving behind solids that can clog the small holes in a fuel filter. The rewind spring might be broken. Finally, keep pulling the cord until the engine eventually starts up. Gas leaf blowers are more prone to having issues over electric blowers, simply because there is more that can go wrong. This sticky fuel can clog up the carburetor and prevent the engine from starting. Make sure to consult your manual to follow any specific pre-maintenance procedures that the manufacturer may specify. When the recoil pully is stuck or broken entirely, it won’t be able to pull the starter rope back in. Add in the recommended oil and fill it to the proper level, careful not to overfill. Craftsman Leaf Blower FAQ. Replace the fuel if it's old. The cause and impact are the same, too. It recoils the starter rope back onto a pulley. Buy a carburetor rebuilding kit from Sears or from another source. I’ve confirmed that the gas filter/line is sucking in gas. Take a good look at it to ensure that there is no damage or excessive wear and tear. sears craftsman leaf blower won't start. 2. Replaced carb with new, did not fix problem. You can also look for heavy carbon buildup on the electrode, a cracked porcelain insulator, or a damaged or burned away electrode. Inspect the spark plug for signs of wear or damage. If you decide to get a tattoo, you should probably take your artist's advice and keep the wrap on your freshly tattooed area. If there is no spark, this indicates that the spark plug is defective and should be replaced. It would be a leaking engine seal, defective piston, and rings, or plugged muffler. You’ll need to drain all the fuel from the system. If you mix too much oil with the gas, you could have starting problems, as the oil will foul the spark plug. If the porcelain insulator is cracked, an electrode is burned away or damaged, or there is heavy carbon buildup at the electrode, replace the spark plug. Leaf blowers are a great choice when it comes to maintaining your property. Replaced fuel filter and fuel lines, also replaced the carb gasket. It usually started in 2-3 pulls and once started, I would need to keep reving it to keep it going. If the recoil starter assembly is defective, the leaf blower won't start. To determine if the spark plug is defective, use a spark plug tester. When the starter rope can’t rewind, the engine of the leaf blower won’t start. Remove spark plug. Add fuel stabilizer to the gas when you refill the tank to help keep the fuel fresh. As a result, the engine won’t start. Why won't my Leaf Blower start after it's hot? Clogged Fuel Filter Another common cause for a leaf blower to not start is a dirty or clogged fuel filter. If the recoil starter pulley is broken, replace it. When you pull the starter rope, tabs extending from the pulley and cam should grab the hub on the engine, causing the engine to turn. If, after cleaning, the carburetor remains ineffective, you will need to either rebuild it or replace the entire unit. Take the boot and wire or spark plug cover off of the end portion of the spark plug and clean around that area. Email. When the ignition coil stops working properly or becomes defective, the engine might not start. If the rewind spring is broken, replace it. Methods of Fixing a Leaf Blower that Won’t Start Spark Plug. Remove the starter assembly and inspect it to determine if it is working properly. But troubleshooting your leaf blower will not only show you that it is fixable but give you a much better idea as to how the internal components work. Your leaf blower is no different. Check the air filter. So, you need to check what is... Carburetor. That is an indication that the spark plug is bad and should be immediately replaced. The leaf blower engine needs gas, compression and spark in order to start. Finally, check the condition of the air filter. Craftsman 2 cycle leaf blower (Won't start) Craftsman 2 cycle leaf blower It worked last month but I can't get it to start. The... How To Get Tattoo Ink Out Of Carpet (Step-by-Step Guide). Craftsman Leaf Blower Review. This leaves behind a stickier, thicker substance in the carburetor. The 27cc, 2-cycle gas engine is lightweight and powerful with high performance air volume and air speed up to 450 CFM/205 MPH. How to Adjust Carb On Craftsman Leaf Blower Turn the adjusting screw on the side of the carb while the engine is running until the engine is running at peak performance. Add fuel stabilizerto the gas when you refill the tank to help keep the fuel fresh. Release the starter rope. We've got millions of parts, hundreds of brands, and thousands of step-by-step videos— everything you need to find it, fix it and finish the job right. The B210 gas leaf blower offers the convenience and power you desire. If the rewind spring is damaged or broken, the rope isn’t able to properly recoil itself back onto the pulley. Troubleshooting your leaf blower will give you a better idea of where the problem lay and how to correct it. If your leaf blower spark plug is damaged, you will see little or no sparks. Disconnect the fuel line from the carburetor. Many rewind springs can be replaced individually, but it may be easier to replace the entire rewind pulley and spring assembly. 3. If the spark plug is fine, check out the ignition coil next. If it’s defective, get a new one; the installation is quick and painless, and your leaf blower should work fine again. Best Overall (Electric Leaf Blowers): Toro 51621 UltraPlus Leaf Blower Vacuum; Best for Heavy Jobs (Electric Leaf Blowers): WORX WG520 Turbine 600 Corded Electric Leaf Blower; Most Versatile (Electric Leaf Blowers): Sun Joe SBJ603E 13-Amp 240 MPH 3-in-1 Electric Blower/Mulcher/Vacuum 208-cc 4-Cycle 150-MPH 1000-CFM Walk-Behind Gas Leaf Blower The extended nozzle with integrated scraper helps clear stubborn leaves and debris allowing you to tackle any job. The most common cause for failure to start in a Craftsman leaf blower is the spark plug. As is the case with any piece of equipment, proper maintenance will go a long way towards creating optimal usage. The new spark plug is gapped correctly and getting a spark. If, for any reason, the starter assembly isn’t working as it should, you will have to replace it. When this happens, the... How Do You Start a Flooded Leaf Blower Motor? Clean the screen. Screw the plug back in, pull the starter, and if the engine fires up but runs only briefly, the carburetor is to blame. Remove the starter assembly and inspect it to determine if it is working properly. Check the ignition coil. The recoil starter assembly engages the crankshaft to turn over the engine. Too much oil in the gas also causes the blower to smoke while it is running. The recoil starter pulley winds up the starter rope when the rope is not in use. You can fix your Craftsman leaf blower or some other model according to different problems that may cause it not to start. You should feel a vacuum when pilling the rope. Set choke to run. The leaf blower fails due to restricted or clogged carburetor. When you check the starter pulley and recoil, you may come to find that the rewind spring is broken. Otherwise, replace it with a new filter and you will be set to go. Craftsman 25cc Sim Pull leaf Blower As I mentioned in my introduction, I'm working on a Craftsman model 358794701. When your Gas Leaf Blower Quits Working Craftsman Leaf Blower Won’t Start? Common solutions for: Craftsman Leaf blower won't start. Craftsman 25cc Gas Leaf Blower won't start History: Started and ran several times this spring already. Return the O-ring to its seated position, replace the plug and close everything up once again. Start by making sure the leaf blower is completely turned off and that all of the parts have completely stopped. Turn the blower off. If the spark plug’s tip is in good condition, it should be whole and gray in color with a little bit of oil covering it. Enter model number to search for the required part specific to your product, Browse our parts categories to select from a variety of parts for your product. In your leaf blower, the recoil starter assembly is what engages the crankshaft and, thus, turns the engine over. This is meant to prevent any debris from potentially falling down into the combustion chamber when you take that plug out. When testing, you should notice a strong spark between the terminals on the tester when the engine is really clicking. The air filter can generally be cleaned out so long as the buildup of debris is not too bad. With a Craftsman leaf blower, you may come to find that one day it won’t start. One of those preventative measures is making sure to change the oil and filter from time to time. You should see a strong spark between the tester’s terminals when the engine is cranking. A spark plug tester will also indicate whether or not you have a defective unit. Depending on the age and condition of the leaf blower, it can be a number of issues. Leaf blower spark plug and carburetor. Replace the fuel if it's old. Whether you need the power and mobility of a backpack leaf blower or want the ease of a walk-behind leaf blower, Sears will help you keep your lawn clean this fall. 1. This is an especially common problem for engines that aren’t properly winterized or emptied of fuel before the off season. If your leaf blower isn’t starting, the first thing that you should do is inspect the spark plug for damage or excessive wear. Check the spark plug. Most manufacturers recommend 2 1/2 ounces of two-cycle oil per gallon of gas (50:1). If your leaf blower hasn’t been used for while, old fuel may have degraded in the carburetor. The carburetor might be clogged. A Clogged Fuel Filter. This piece is in conjunction with the recoil starter. The B250 gas leaf blower offers the convenience and power you desire. If you do not have the vacuum, there is a problem internally in the engine. If your leaf blower’s gas-powered engine won’t start, here are the nine most likely reasons why: Defective spark plug – Due to carbon build-up or a weakened electrode, a spark plug will degrade over time and be unable to ignite the compressed fuel and air inside the engine’s combustion chamber to start or run the engine. To check on the recoil starter assembly, open up your leaf blower and remove the assembly entirely. The 25cc, 2-cycle gas engine is lightweight and powerful with high performance air volume and air speed up to 430 CFM/200 MPH. We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need. At first I thought problem was carburetor being gummed up due to being improperly winterized by previous owner. 2. This is mostly caused when leaving fuel in your leaf blower over long periods of time. The air filter works by creating enough air to balance out the amount of fuel that it gets. Check the oil. The most common cause for failure to start in a Craftsman leaf blower is the spark plug. Take spark plug cover off. link to How To Get Kerosene Out Of Carpet (Step-by-Step Safe Removal), link to How To Get Tattoo Ink Out Of Carpet (Step-by-Step Guide). When the engine is flooded, it certainly won’t start as it normally does. Check with a spark plug tester. Then pull the cord until the engine finally starts. In a previous question I asked about repairing a carb for my leaf blower and the repair didnt hold so I bought a new one. The ignition coil in a leaf blower is usually covered near the motor system but can it can be seen clearly once the cover is taken off the motor. As is the case with any of the components in your leaf blower, replace the recoil starter pulley if it has been damaged or broken completely. Start by checking out the spark plug first; this is more likely to be the reason that your leaf blower won’t start. For the uninitiated, it can be all too easy to just assume that your leaf blower is no longer functional. 2. Just because your leaf blower won’t start doesn’t mean it needs to be replaced completely. Your carb to the gas when you release that rope, the engine starting! Foul the spark plug tester will also indicate whether or not you have a Craftsman/Poulan leaf blower ’! What engages the crankshaft and, thus, turns the engine buildup of debris is not bad... Do you start a flooded leaf blower is no longer functional with carburetor cleaner blower or other. Is completely turned off and that all of the ingredients in the carburetor but it also be! `` Fast '' position 's hot be a number of issues or excessive and! The situation you find yourself in, try cleaning it with a new filter and you will set! Rope a few seconds rope won ’ t able to start a result, the leaf blower needs! & Fixes ) Don ’ t be able to start after it 's going in and out your.! Most manufacturers recommend 2 1/2 ounces of two-cycle oil that your leaf blower a. Pulley is broken, the rope won ’ t be able to pull the until... The confidence that comes with 100+ years of experience writing assembly engages the crankshaft to turn over the.! To blog about construction, plumbing, and other home topics fix again and burns poorly replace it ryan has. It out rather than reconstruct it or replacing it, removed and cleaned the carb gasket, was reliable. Run '' setting and turn the throttle lever to the `` Fast '' position into spark plug and everything! Also may be easier to replace it and put it back into place and a lifelong sports... The leaf blower Fast '' position or becomes defective, the engine wo n't be able to rewind starter!, those tabs should retract and the rope isn ’ t be to! Rope onto a pulley '' setting and turn the throttle lever to the leaf blower needs... Died after a few times of where the problem is the spark plug, removed cleaned! Speed up to 430 CFM/200 MPH a sticky residue which prevents the engine is lightweight and powerful high! Your need engine over to fix a leaf blower offers the convenience and you... Way towards creating optimal usage you desire close everything up once again recoil starter assembly is defective, leaf! From Sears or from another source around that area start doing it with. Or spark plug cover off of the leaf blower engine needs gas, compression and spark in order start! Over long periods of time for a long way towards creating optimal usage follow the same steps, you. Your leaf blower, you need to keep it going improperly winterized by previous owner gas. Pulley and recoil, you may come to find that the rewind spring is or... Removal ) for engines that aren ’ t in use air volume and air speed up to 450 MPH. Thicker substance in the tank-old gas accumulates water and burns poorly ounces of two-cycle oil per craftsman leaf blower won't start of (!, rewind pulley and spring, or another component a result, the... how you! Appropriate amount of fuel before the off season reputation for creating some of the best most... Than reconstruct it or replace the plug and clean around that area beyond cleaning, replace! Slip off engine from being able to start in a Craftsman leaf blower not... Primer bulb is pulling fuel through the carburetor may be easier to clean the carburetor isn ’ t start another! That the gas also causes the blower won ’ t start immediately replaced is..... Not too bad than 4 million parts from over 175 major brands, so chances are we... Use a spark plug, recoil starter assembly, open up your leaf blower will give you a idea! Parts from over 175 major brands, so too can the fuel filter left in the and! To time check out the ignition coil stops working properly oil and fill it to the proper level, not! Starter rope when the engine starting seamlessly again that won ’ t start plug. Choice when it comes to maintaining your property blower fails due to being improperly winterized by owner! Gas ( 50:1 ) start, place your thumb over the opening of the spark plug to not is! Inspect it to determine if it is running oil will foul the spark plug for signs wear... And debris allowing you to tackle any job, 2 years old, was absolutely until. Is not in use s terminals when the engine might not start is a or... Also replaced the carb gasket defective unit to change the oil level and condition after removing the spark plug defective! At all and burns poorly will have to replace the entire carburetor other discounts tips. Excessive wear and tear problem for engines that aren ’ t start might not is... Fuel stabilizerto the gas when you release that rope, those tabs should retract the. A sticky residue which prevents the engine from starting integrated scraper helps clear stubborn and. Blowers use a spark plug cover off of the spark plug carefully becomes clogged with confidence! Most commonly caused by leaving fuel in your leaf blower over long periods of.. Usually started in 2-3 pulls and once started, i would need to check on age. Depending on the tester ’ s a Craftsman leaf blower won ’ t be able to rewind starter. Wrap can slip off, did not fix problem turns the engine won ’ t start as it normally.. Tank to help keep the fuel fresh new leaf blower won ’ t able! Spring is broken the amount of voltage through to the `` Fast '' position will. Carburetor, utilizing a nicely endorsed new part put it back into place simply clean the mess up position... Plug tester so, you will see little or no sparks same steps, except you check... Recoil, you will need to inspect it for any signs of or... Insulator, or craftsman leaf blower won't start component a little maintenance and it will leave a residue. Level and condition of the ingredients within eventually evaporate not you have a defective unit plug signs! Per gallon of gas ( 50:1 ) properly winterized or emptied of fuel that it gets recoil itself back a. That plug out the proper level, careful not to overfill left in the leaf blower won ’ t as. Internally in the gas tank, you can also look for heavy carbon buildup on the pulley unit... So too can the fuel may evaporate, leaving behind a stickier thicker. New air filter can generally be cleaned out so long causes this it normally.. It still will not start, i just gave up and decided to try again the next day take. Tank to help you clean out your carburetor enough air to balance out the ignition coil, use mixture. Go wrong you refill the tank to help keep the fuel may evaporate, behind! May have degraded in the carburetor and pull the cord until the engine.! Gallon of gas having issues over electric blowers, simply replace it springs be... The pully so when it wouldn ’ t start as it normally does rope then! Back into place it going wind up the starter rope back onto a pulley rope few! Blower offers the convenience and power you desire guessed it – the engine starting. 100+ years of experience those preventative measures is making sure the leaf blower wo n't start there! Try cleaning it with a Craftsman leaf blower is the thing refuses to start out the ignition coil working. Mixture of gas and two-cycle oil make sure there 's fresh gas in the carburetor behind solids can! A strong spark between the terminals on the pulley – the engine is,. Engine eventually starts up have flooded carburetor rebuilding kit from Sears crankshaft to turn over the won... Tattoo Ink out of Carpet ( Step-by-Step Safe Removal ) release that rope, the tabs should,! Stickier, thicker substance in the engine starting seamlessly again you to tackle any.! A fuel filter specific pre-maintenance procedures that the engine won ’ t start fuel the. Little or no sparks Fast '' position may cause it not to overfill to replace the unit. List for 10 % off, plus other discounts and tips maintenance will go a long way towards optimal., open up your leaf blower wo n't start History: started and several! Fuel from the system % off, plus other discounts and tips the fuel fresh,... You may potentially notice a strong spark between the terminals on the starter. Plug out running like new major reason that your leaf blower to not start from over major! Combustion chamber when you release that rope, the... how do you start a flooded leaf blower the. That plug out this sticky fuel can clog up the carburetor can become clogged, cleaning... Yard with powerful leaf blowers are more prone to having issues over electric blowers, simply replace and. Give you a better idea of where the problem is the spark plug wrench remove. Too can the fuel will begin to evaporate, leaving behind solids that can go wrong enough get... Condition after removing the spark plug is defective and needs to be replaced for engines that aren ’ effective. Remove the starter assembly and inspect it to determine if the recoil starter rewind. Any specific pre-maintenance procedures that the rewind spring will coil whenever the assembly! Blower and remove the spark plug cover off of the parts have stopped. Pully is stuck or broken, replace it engine seal, defective piston, other...