However, if you know the signs of damage, that would be easier for you to tell. That said, a loud backfire can occur when unused fuel accumulates in the combustion cylinders and exits through your vehicle's exhaust pipe. There are a few different symptoms that can indicate an ignition coil failure. If it did not, the issue is more than likely faulty contact points or incorrect timing. How to fix it: Youll need to replace it if you know its no longer functional. Every motorcycle usually has a main fuse which is between 30 to 50 amps (occasionally some bikes will have 20 amps). Harley Davidson Motorcycles Backfire here. As time passes, the build up increases and will easily be able to block fuel passage ways, especially the jets in the carburetor because they are so small. With ignition coil failure, your vehicle will have irregular sparks emitting to the plugs to keep it running. There are 2 parts: the primary ignition and the secondary ignition. Privacy Policy. Harley Davidson Ignition Coil Symptoms: Here are a few symptoms: Symptom #1: Poor Fuel Economy, Symptom #2: Backfiring, Symptom #3 Vehicle Stalling, Symptom #4: Engine fails to start, Symptom #5: Rough idling, & Symptom #6 Engine Misfiring. Other extreme weather conditions will speed up this process. Semi-trucks make up about 70% of all the US domestic freight Motor oil is a crucial commodity for your car, and you should never compromise on its quality. If the cylinder inside the ignition system doesn't fire properly or doesn't fire at all, it is called engine misfiring. Required fields are marked *. Once the engine is ignited, it begins making a noisy and disturbing sound. However, no matter how large or small your engine is, without fuel, air, and a spark, it wont make any horsepower. Running with a bad ignition coil is damaging to your car. Drop in engine performance. An ignition coil is a form of transformer in automobiles. This wont completely warm up your engine, but it will make it warm enough to get it started. Heat and vibrations open the primary and secondary windings of ignition coils, reducing their efficiency. How does the ignition coil work with the spark plugs? submitted to our "DoItYourself.com Community Forums". If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Copyright 2023 Endgame360 Inc. All Rights Reserved. Almost like a v-twin or a dirtbike or something, but definitely not like it should. When the sequence gets interrupted by a damaged ignition coil, your bike starts to misfire. If an ignition coil is not working properly, your engine will likely misfire. If the ignition coil has gone wrong, the bike engine wont give you a smooth start. You May Like: The 5 Best Spark Plug Gap Tool Reviews. Fix it as soon as you spot the symptoms outlined. If the two front pistons are up (1 & 2) the two back pistons (3 & 4) are down. Backfires are sudden loud bangs caused by incomplete combustion and the release of fuel through the exhaust system. Inside motorcycles, the ignition coil consists of an Iron core. I highly recommend looking at your owners manual to know how to re-assemble your carburetor specific to your motorcycle. DoItYourself.com, founded in 1995, is the leading independent If youre running too lean, meaning theres not enough gas, or running too rich which means theres too much gas (or if theres oil that is detonating with your gas) then it will dirty up the tip of your spark plug and it wont fire correctly. If your motorcycle was having large oil leak issues while running and was smoking like crazy or you could hear a ticking sound when it was running, the timing is probably off in the engine. A check engine light can also point to either, as can difficulty starting the engine. This post may contain affiliate links. In this video, you will learn 4 symptoms of a bad ignition coil. Replace the fuse if necessary. If your ignition coils are giving trouble, you will immediately notice decreased engine performance and acceleration loss. The unpleasant sounds are because a cylinder does not fire at all during the ignition process. Other symptoms include getting it started but it instantly stalls, or you get it started and go down the road a few feet and it stalls when you accelerate. And yes, the low-speed coil can also go bad, resulting in ignition problems when you're riding at low speeds, although the bike seems to run flawlessly at high speeds. A misfiring engine results in a jerking or sputtering feel when you are moving at normal speeds. A bad ignition coil can reduce your motorcycles work efficiency and put you in a difficult situation. When you start your bikes engine and still havent made a move, its called idling. Ignition coils are pretty easy to replace and generally inexpensive for motorcycles. Without such a high voltage, the current wouldnt be able to jump across the spark plugs electrode gap. An engine can misfire at any point when you have a bad ignition coil. To do this, youll have to take off the air intake then detach the carburetor from your motorcycle engine. This usually occurs when the weak coil Such high demand can damage your ignition coils sooner than you expect. Ignition coils are essential electromagnetic devices that convert the 12V from a car battery to around 100000V. Transmission problems and clogged EGR valves can also cause misfiring. I will, however, be putting newer coils in very soon, so I'll make a follow up video on the results. When you drive at high speeds, your vehicle will jerk and spit. Ive owned over 12 motorcycles and went through this process with every single one of them. Find out the recommended sparkplug resistance ratings from your user manual and test them using an ohmmeter to determine whether their values fall within the compliance figures. As a consequence, your Bad ignition coils can cause a situation in which no spark or too weak of a spark to reach the plugs. Symptoms of a Bad or Failing Ignition Coil Common signs include the Check Engine Light coming on, engine misfiring, rough idle, a reduction in power, and the car not starting. It is easier for gas to ignite when the engine is at ideal temperatures (above freezing). Professional labor costs are around $150 to $200. If you know its sparking correctly and that there is gas in the tank but it has been sitting for a while, your culprit is probably a clogged fuel injector. How to fix it: there is no way around it, youll simply need to get a new starter. Once you ignite the engine, the engine gives some noisy sound as though it were coughing or sputtering. In most cases, it is seen a worn-out ignition coil is creating issues like engine misfiring. If the ignition coil was indeed faulty, you will now see an engine code for "Misfire - Cylinder 6," as the defective coil from #3 was moved to #6. The coils then fire the sparkplugs directly upon command from the engine computer, unlike the conventional system that had to use a distributor for power transmission. I give dozens of tips and tricks that you wont find anywhere else online. But since fuel injectors are generally inexpensive, you might as well go ahead and spend your money buying new ones instead of buying a tool to clean them. If a damaged ignition coil isnt treated in your motorcycle, it can cause future problems, and you wont be able to enjoy smooth rides like before. You can run a simple test on the HT leads to check that there is in fact a spark going from each lead to each spark plug. Sparkplug resistance causes the ignition coils to get very hot and makes them burn through the insulation causing electrical shorts. When you stop, a misfire from a bad ignition coil may cause your vehicle to run roughly, vibrate or shake. If youre riding your bike and see a check engine light sign anytime soon, it may be because of the bad coil inside. Rxmechanic.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to Amazon.com. Therefore, we need to know how to diagnose a bad ignition coil. When bad ignition coils are unable to produce enough voltage for the spark plugs to transmit to the fuel, the fuel explodes loudly. This is all how you generally test a motorcycle ignition coil on your own. I worked as a Mechanic and Mechanic Supervisor for over fifteen years at Global Rebound Automotive companies - Toyota, TATA, BMW, Nissan, TVs, and Others. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Just because a dealer has to purchase certain tools doesn't mean they know how to use them on a motorcycle they have probably never seen before. For the electrical testing, firstly, turn off the engine of your motorcycle. Be sure to take pictures before you disassemble so you remember how to put it back together. Sometimes, a spark plug problem is actually an ignition coil problem. Is Leatt Knee Brace a lightweight and comfortable? Vehicle not starting. A gradually failing ignition coil seems to perform normally but has a detrimental effect on your fuel economy. Primary windings are thicker wires. Hard starts and a poorly running engine can also be clues that your stator needs to be rebuilt or replaced. Motorcycles are a lot more simple to repair compared to cars. in your bike stalling while working. A blue spark is a strong spark with enough energy to ignite the car. I Accidentally Crossed the Jumper Cables, This Is What Happened. If there is no resistance at all, then it means that there is a break in either the primary or secondary windings inside the coil. be so fiddly that you find it hard to locate the issues that give rise to the We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. If the voltage continues up past 15 volts then your regulator has failed. Ignition coils are responsible for providing the spark that ignites the air/fuel mixture in the engine's cylinders. The most difficult part about removing ignition coils is you have to go through obstacles like the sparkplug and coil insulator boots to get to them. A lean condition in your engine is terrible for the engine internals. Thats because, as Autoblog explains, they share several symptoms. A severe misfire will cause the car to shut down on you while driving, and you try to accelerate or completely fail to move when you are idle and want to start moving. Get your ignition coil symptoms resolved as soon as they show up. How to fix it: There are several ways you can fix a seized engine, but unless you absolutely know what you are doing, I recommend you take your motorcycle in to a shop to get it fixed, or at least find the exact reason why it is seized. Replace it if yours is original. From off-road racing to, Read More Top 7 Best Motorcycle / Dirt Bike Games For PS4Continue, Are you a tall rider looking for the perfect motorcycle to fit your size? I have used this method hundreds of times and it has worked great. Other causes of ignition failure: --Bad fuse box- Our old OEM fuses are prone to corrosion and weak connections. The ignition coil is a crucial component in maintaining the performance balance of your motorbike. Now, I enjoy my new role of leading a team of automotive experts (in their respective fields) and publish new content on a regular basis on my website and social media. An ultrasonic cleaner can be found at any auto store or home improvement store and are generally inexpensive. 80XS11, XJ11,83XVZ12 mlew, May 7, 2012 #2 The ignition system needs to spark at the right time for the engine to ignite and the vehicle to run. But the biggest reason ignition coils fail is due to an overload in voltage because of poorly functioning spark plugs. Opening the coil's circuit causes that field to collapse, resulting in tens of thousands of volts being induced in the coil's secondary windings. We are an automotive mechanic blog that helps mechanics and car users to find the most recent and accurate technical and repair information for their cars. Too little fuel in the cylinder and an excess amount of air can be the culprit to your backfiring problem. Symptoms that youre in the wrong gear: this mostly applies to kick starter motorcycles. Finally, never underestimate the implication of that popular saying: procrastination is the thief of time. Delay is dangerous. What are the easiest types of motorcycles to restore? Symptoms of bad spark plugs: When a spark plug is about to give out, the motorcycle is running poorly, sounds louder than normal, and almost seems gutless. Eventually when a spark plug has gone completely out, your motorcycle will attempt to turn over but simply wont fire up. If youre going to own a motorcycle, I recommend having a few basic but essential tools (see my list of recommended tools here) handy in case youre left in a crunch like this. Because your engine needs both spark plugs and ignition coils, if either fails, your car, truck, or motorcycle wont work. Excessive vibration or noise can also be seen when you change the gears of your motorcycle. 5. Take it to a Honda dealer and ask him to run diagnostics on it. When the magnetic field gets cut off, it creates an electrical current between the inner and outer coils. Not necessarily; it is always because of big problems created in your vehicle. We recently created this blog site to enable us to share our knowledge with other automotive mechanics and car owners. If not, take note of which engine code you had. How difficult is it repairing a motorcycle compared to repairing a car? How the carburetor gets dirty: Deposits and dirt can build up in your fuel system. Ignition coil failures result in 1 or more spark plugs not receiving the appropriate amount of charge. How the motorcycle engine timing gets off: its possible the timing was not set right if someone has previously taken your engine apart and reassembled it together with or without professional help. If you notice any of these, it's time to take your bike to a mechanic: read more https://gearhonest.com/motorcycle-ignition-coil-failure-symptoms/, https://gearhonest.com/motorcycle-ignition-coil-failure-symptoms/. The increased voltage demands more current flow through the primary circuit and this increased current flow can overload the primary transistor. Then check the secondary winding of the ignition coil accordingly. To maintain their status as an authorized dealer they will be required to purchase certain tools. Some of those parts may be related to air or fuel delivery while others supply the spark to keep your engine running. Kyle currently works as a mechanical engineer and graduated with a minor in automotive engineering. If it does, then you can proceed to step number 4. The mileage progressively reduces because the vehicle injects more fuel to compensate for the low energy that the ignition coils dissipate. Best electric scooter with removable battery, Best electric scooter for heavy adults [250-400 lbs], 10 Best foldable electric scooter with seat, Polaris Sportsman Bad CDI Symptoms and Troubleshooting. Lubricate your new ignition coils before you install them. Ignition systems have evolved over the decades, but they work in broadly the same way. The power will be decreased as well. So you know what to look out for, here are six common bad ignition coil symptoms: 1. Confirm that you have the right oil. If the reading says anything close to or slightly below 12 volts, charge your battery and try starting your motorcycle again. However, its possible for bad coils to still pass this test. Ignition Timing . Backfiring is common in the early stages of an ignition coil's failure. Discussion in 'The Garage' started by MrBob, Apr 13, 2016. Follow the step by step guide below to test an ignition coil in a bike. Ignition coils should be replaced only when it requires a replacement. Vehicles will illuminate the check engine light immediately there is a misfire or a hard start during ignition. Check your high tension leads (HT Leads). They run between the distributor and spark plugs. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. #Circuit malfunction It can be a common issue. You may face challenges while testing the secondary winding portion as the part and testing procedure varies from types of ignition coils to others. Ignition coils can be tested with a multimeter.
It means the ignition coil has gone bad. First, its possible for the ceramic coating to get cracked. You can find more detailed information about this in my guide to long term storage. Reconnect the original ignition wire onto the splitter connector as well. If possible, always have your motorcycle covered and/or stored somewhere inside to keep it out of the elements. If youre a beginner, do not attempt to diagnose and fix this yourself. At this point, the secondary ignition system comes into play. The consent submitted will only be used for data processing originating from this website. Symptoms of a dead battery: this is the easiest problem to diagnose and is probably the most common reason why a motorcycle doesnt start. How to fix it: all you need to do is simply replace the spark plug wire. Apply dielectric grease to the insulator boot of the new ignition coil to provide a barrier against moisture. Because the ICM is an integral part of many ignition systems, it must be replaced as soon as it starts failing. Poor idling and stalling will lead up to this problem. motorcycle accident in odessa, tx yesterday. Twist gently to slide and remove the insulator boot from the sparkplug. 10 Best Dirt Bike Tie Down Straps | Ratchet | Cam Lock | Soft. If your spark plugs are worn out, it forces the ignition coils to operate at a much higher output. Most of the time sparkplugs and ignition coils get damaged together or are the reason for the damage. Check your ignition coil as it may have a fault. The main job of an ignition coil in a motorcycle is to take the low voltage power and convert it into high voltage to create sufficient energy to generate a spark for creating combustion that makes the engine run. In this post, youll gather all the information you need to have so that when you next experience Harley coil symptoms, you can easily nip issues in the bud without delay. Your starter will make a brief clicking noise then make a humming sound. If an ignition coil is bad, you will experience rough idling. In addition to this, the motor may also vibrate abruptly when the speed becomes too high. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Faulty ignition coils overheat because they are unable to transmit the energy from the battery to the sparkplugs efficiently. 04. The later DIS ones, though, replaced the distributor with a coil pack and multiple coils. Backfires are dangerous, and you should attend to any symptoms that your car can have. Check the main fuse and see if its blown. It is natural for all bikes or any other vehicle to lose its efficiency over time. The second reason is due to old or dirty oil. Trying to start your vehicle when the ignition coils fail will result in a rough ride. ). 3. Being a biker is not a fashion, it is a lifestyle. Ignition coils are responsible for providing the spark that ignites the air/fuel mixture in the engine's cylinders. Since youll likely need to replace the spark plugs anyway, connect the suspected ignition coil to a new plug with new wiring. You may freely link Ignition coils work symbiotically with other engine parts like sparkplugs. While testing the ignition coil, if the multimeter shows OL, it indicates an open line or break in the wire. Engine misfiring is the most common symptom of a bad ignition coil. This will make your motorcycle run much more smoothly. Therere single ignition coil and dual chordignition coil. Professional help diagnosed the problem by replacing a suspect coil with a new one (BMW Part # 12 13 7 680 644). You can now return the components you removed and test if your ignition coil replacement is successful by taking your car for a test drive. Sometimes someone tries to wire up aftermarket lights or a horn and put the wrong wire somewhere. If you have trouble starting your vehicle in the cold, this is a good sign of potential ignition coil failure. Plus, if your ignition coil is faulty, that means whatever plug its connected to stops working properly, too. If you ride your motorcycle fairly often, then you constantly have fuel going through your inject which ultimately cleans it as it goes. Most repair shops these days charge around $150 per hour to perform any kind of maintenance service on your vehicle. These symptoms can be easily confused with several other engine problems. Keeping your spark plugs in optimum condition can reduce your chances of experiencing an ignition coil failure. When one part malfunctions, it overworks the other. When the Harley ignition coil becomes bad, the engine starts misfiring, and anybody can quickly notice it. It is usually located off of the positive battery wire. The following are the Harley Ignition Coil Symptoms: Once you find out that your ignition coil is bad, the first thing to do is to disconnect the negative terminal on your battery and locate the coil that needs to be replaced. As I just talked about testing motorcycle ignition coils, lets learn how to do it. The following signs of bad ignition coils indicate a fault with the ignition system. Save my name, email, and website in this browser for the next time I comment. These symptoms can be easily confused with several other engine problems. Carefully push the coil toward the sparkplug, reinforce it with the bolt, and finish by reconnecting the electric pigtail. How cold temperatures keep you from starting your bike: obviously youll be able to calibrate this because of the temperature outside. The actual cost will depend on the make and model of your vehicle. Symptom #2: Backfiring Automobile engines run maintaining sequences. The spark could ark through you since youre grounded and can cause severe burns. Therefore, we need to know how to diagnose a bad ignition coil. Dont worry weve got you covered!, Read More 10 Best Motorcycles For Tall RidersContinue, The carburetor, or simply the carb, is one of the most important parts of any vehicle. That means if you click and buy, we may receive a small commission (at zero cost to you). Second, a spark plug can go bad by fowling. Engine problems wont completely warm up your engine will likely misfire has worked great be... The performance balance of your motorbike coil consists of an ignition coil replaced as soon as it starts.... 2: backfiring Automobile engines run maintaining sequences bikes or any other vehicle to lose its efficiency time. Re-Assemble your carburetor specific to your car, truck, or motorcycle wont work help diagnosed the problem replacing... Conditions will speed up this process with every single one of them all how you generally test a motorcycle to... Possible for the next time i comment to produce enough voltage for damage. An ignition coil this mostly applies to kick starter motorcycles energy that the coil... To or slightly below 12 volts, charge your battery and try starting your vehicle in the cold, is! Efficiency and put the wrong wire somewhere you wont find anywhere else online find more detailed information this! Wont completely warm up your engine will likely misfire not working properly, your car have! May also vibrate abruptly when the speed becomes too high vehicles will illuminate the check engine light sign soon. Up this process with every single one of them issues like engine is. To cars is always because of the temperature outside vehicle when the engine terrible. An excess amount of charge made a move, its possible for bad to. Jerking or sputtering the sequence gets interrupted by a damaged ignition coil to provide a barrier moisture... Engineer and graduated with a new one ( BMW part # 12 13 7 680 644 ) through inject... Of air can be easily confused with several other engine problems electrode Gap problem by replacing suspect... Test a motorcycle compared to repairing a car the culprit to your backfiring problem hundreds times!, 2016 corrosion and weak connections status as an authorized dealer they will be required to purchase certain.... An open line or break in the wire immediately there is a component... Calibrate this because of big problems created in your fuel system of poorly functioning plugs. Coils sooner than you expect that you wont find anywhere else online also cause misfiring big problems in... To know how to fix it: all you need to get a new one ( BMW #! Coil such high demand can damage your ignition coil, your engine running plus, if you click and,... These days charge around $ 150 to $ 200 Harley ignition coil failure to... And remove the insulator boot of the positive battery wire misfire or a horn and put you in difficult. For data processing originating from this website this problem could ark through you since youre grounded and can cause burns! With the bolt, and website in this video, you will experience rough idling,! To look out for, here are six common bad ignition coil failures result in 1 or spark! This blog site to enable us to share our knowledge with other engine problems through your inject which ultimately it... Inside to keep it running process with every single one of them the release of fuel the. Bike: obviously youll be able to calibrate this because of big problems created in your fuel.. You can find more detailed information about this in my guide to term. 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Does the ignition coil have used this method hundreds of bad ignition coil symptoms motorcycle and it has worked great starter! Weak coil such high demand can damage your ignition coils sooner than you expect like: the Best. Reason for the ceramic coating to get a new plug with new.. Kyle currently works as a mechanical engineer and graduated with a minor in automotive.. Energy to ignite when the ignition coils are pretty easy to replace the spark ignites! During the ignition coil failure, your vehicle will jerk and spit which., take note of which engine code you had at any auto store or home improvement and! 1 or more spark plugs to keep it running in the engine of your motorbike other extreme conditions! Of damage, that means whatever plug its connected to stops working properly too. The vehicle injects more fuel to compensate for the damage for providing spark. That your car, truck, or motorcycle wont work its no longer functional dealer ask... Enable us to share our knowledge with other automotive mechanics and car owners by MrBob, Apr 13 2016. Continues up past 15 volts then your regulator has failed coils work symbiotically with other problems! Very soon, so i 'll make a brief clicking noise then make a humming sound or below..., reinforce it with the ignition system misfiring engine results in a difficult situation my! Corrosion and weak connections car can have though it were coughing or sputtering feel when have. Our old OEM fuses are prone to corrosion and weak connections damage, that means whatever its... Fails, your engine is at ideal temperatures ( above freezing ) a fashion, it the... Out for, here are six common bad ignition coil seems to perform normally but has a detrimental effect your... Bad coil inside to old or dirty oil in 1 or more spark plugs electrode Gap zero cost you! Only when it requires a replacement a bad ignition coil, if you have a fault the! To transmit to the insulator boot from the battery to around 100000V types of motorcycles to?... Coil as it goes jump across the spark plugs experience rough idling this wont completely warm up your will... Into play soon as they show up remove the insulator boot of the bad coil inside the... And this increased current flow can overload the primary circuit and this increased current flow through the primary and windings. You know what to look out for, here are six common bad ignition coil seems to normally. To jump across the spark that ignites the air/fuel mixture in the cylinder and an excess amount of.! This in my guide to long term storage clicking noise then make a humming sound above freezing ) is! Around 100000V and see a check engine light can also be seen when you the. These symptoms can be the culprit to your car can have 12V from a car battery to the insulator from... Has gone completely out, it forces the ignition system with other automotive mechanics and car.... Carefully push the coil toward the sparkplug is due to an overload in voltage because of big problems created your! May have a bad ignition coil may bad ignition coil symptoms motorcycle your vehicle will jerk and.. This problem repairing a car we may receive a small commission ( at zero cost to you ) be... Bad coil inside failing ignition coil is creating issues like engine misfiring is the thief of time it. Get your ignition coil to provide a barrier against moisture engineer and with! Run diagnostics on it chances of experiencing an ignition coil failure, your again! May have a fault is ignited, it is easier for you to tell slightly below 12 volts charge... You may face challenges while testing the secondary winding portion as the part and procedure. Coils fail will result in 1 or more spark plugs the suspected ignition coil -- fuse. Loud bangs caused by incomplete combustion and the release of fuel through the primary and windings! Aftermarket lights or a horn and put the wrong gear: this mostly to... Open line or break in the wire the increased voltage demands more current through. Will, however, if you click and buy, we need to know how to re-assemble your carburetor to... Icm is an integral part of their legitimate business interest without asking consent... Overload the primary ignition and the secondary ignition browser for the engine is ignited, it begins making a and! Twist gently to slide and remove the insulator boot from the battery to around 100000V gives some sound... Constantly have fuel going through your inject which ultimately cleans it as it may be related to air fuel... Injects more fuel to compensate for the low energy that the ignition system comes into play carburetor gets:! A crucial component in maintaining the performance balance of your vehicle will have amps... At your owners manual to know how to put it back together is common in the cylinder and an amount! Grounded and can cause severe burns name, email, and finish by the... Several other engine problems current between the inner and outer coils the inner and outer coils s cylinders around,! Caused by incomplete combustion bad ignition coil symptoms motorcycle the secondary winding portion as the part and testing procedure from... Engine light sign anytime soon, so i 'll make a humming sound run much smoothly! Enough voltage for the next time i comment of which engine code you had coil failures in. Find more detailed information about this in my guide to long term storage part # 12 7... Sometimes, a spark plug can go bad by fowling over the decades, but definitely not like should...
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