Black smoke or very dark smoke coming from the exhaust pipe. BLUE SMOKE. When there is smoke coming from the exhaust system of a vehicle, it signals an issue with the internal workings of the motor. This oil burns and exits through the exhaust as blue smoke. When you’re feeling under the weather, you go to the doctor for an examination and a prescription for medication to make you feel better. Blue smoke from your exhaust Blue exhaust smoke, which comes in a variety of shades depending on how thick the smoke, is a sign of engine oil being burnt. You can see different variations of the colors, but the main colors are Blue, White, and Black. The most common cause of blue exhaust smoke is oil leaking past engine seals and into the cylinders where it then mixes and burns with the fuel.Blue exhaust smoke only at start-up can indicate worn piston seals or damaged or worn valve guides which may also cause a rattling noise. Unlike black smoke that is an unbalanced mixture of air and fuel, blue smoke indicates that your engine is burning oil through the cylinders and that the oil is escaping out of your exhaust. If you're seeing blue smoke coming from your exhaust, you want to pay particular attention to your oil levels. It would happen until the engine was stopped, it would foul the spark plug/s on the cylinder/s that had the leak. If the smoke is thin, it’s most likely to be steam rather than actual smoke and is caused by condensation in the exhaust system. This is a problem for your vehicle because it means there is a reduction in lubrication occurring around the moving parts of the engine. What happens is that the valve guide seals or piston rings are worn out, and oil is leaking past from where it should be lubricating the moving parts, to the combustion chamber where it’s being burned up with the fuel. There are three common colors of exhaust smoke emitted from a gasoline-powered engine: Black; White ; Blue-gray or gray-white ; Black smoke. Oil is only meant to lubricate parts of the engine, not entering into the fuel system, provided everything is working. When you start your car, the warming engine turns the condensation into steam and the white smoke you see should disappear. Source: GoMechanic. Black Smoke From Exhaust – What Different Colours Mean. The air filter needs to be replaced. This symptom could be the result of a leaking valve seal or a problem with a piston ring. 4-strokes don't normally smoke, though it's not entirely unheard of for a healthy 4-stroke to give a little blue smoke on the first startup after some time sitting unused. What does GRAY smoke from my exhaust mean? What color smoke (blue, white, black), smokes all the time, only after idling, only briefly after several days or weeks sitting unused, etc.. Is it consuming oil? There are three common colors of exhaust smoke emitted from a gasoline-powered engine: Black; White ; Blue-gray or gray-white ; Black smoke. White smoke is partially combusted oil. 😕 What is the cause? However, if the smoke persists after the engine has reached operating temperature, there's something serious going on. If your car is blowing blue smoke, it’s a clear sign that the engine is burning oil. Blue smoke from a car exhaust is generally a bad sign, and the cause of it will need to be repaired as soon as possible. Blue/Gray Exhaust Smoke. A lot of factors can cause it, but mainly, it is a clear sign that your car engine is burning oil. Burning Oil - Blue Smoke Is Coming Out Of My Exhaust Pipe It can be a gut wrenching feeling to start your vehicle and find smoke spewing out of the exhaust pipe. This is one major cause of white smoke. My Lawn Mower Is Blowing Blue Smoke, What Does This Mean? When it happens, it is an indicator that your car is burning traces of oil. Unless you drive an electric car, your car’s bound to produce a little smoke from time to time. Like blue smoke, it can mean that the car is burning oil or suffering from a bad turbocharger. What does BLUE smoke from my exhaust mean? By learning to detect these smoke signals, you can avoid a costly auto repair. Unrelated to the fluid’s level, if oil does make it into the combustion chamber, you could see blue-tinted smoke coming from your exhaust. • Blue smoke from the exhaust: Oil is entering the system. So, you have some blue smoke billowing out of your exhaust. If you are noticing blue smoke from the exhaust, it means your engine is burning oil due to an oil leak. Causes of Blue Exhaust Smoke. The most common cause of blue exhaust smoke is oil leaking past engine seals and into the cylinders where it then mixes and burns with the fuel. This is most frequently seen in older or high mileage cars with worn seals and gaskets. Coolant reservoir damage. Blue smoke. what does blue exhaust smoke mean? Black smoke indicates an engine air-fuel mixture that is too rich — meaning there’s too much fuel and not enough air. When you see the blue smoke is coming out of your car's exhaust, you already know that it can't be anything good. Keeping all the quickly moving parts of an engine well oiled is super important, but oil has no place in the combustion chamber, which requires air, fuel and spark only. A lot of the time, smoke from a car exhaust is nothing to worry about. The mixture of fuel and oil in the engine will cause blue smoke to come out of the exhaust. Naval vessels spray fuel oil into the exhause gases where the partially combusted oil makes a smoke screen of dense white smoke! Schedule an Appointment. You might notice a burnt oil smell while stepping on the accelerator, or maybe see blue/gray smoke leave your exhaust on startup or heavy acceleration, these are some of the telltale signs that you are burning oil. There are several gaskets, seals, and O-rings that can fail and allow oil to get inside the engine cylinder. As you may have suspected, blue smoke emanating from any part of a lawn mower does not mean a genie is about to appear and finish the mowing for you. Signs of burning oil are usually accompanied by Blue Smoke from the exhaust. It means that there is … What Does Blue Smoke Mean? So, the first thing to do is, confirm the color of the tailpipe smoke; is it black, white or blue. This type of exhaust usually indicates that you have an oil leak and that the engine is burning oil. Because "grey" is a colour that can be interpreted differently, seeing a cloud of smoke coming out of your exhaust in that shade can mean a lot of things. However, truly grey smoke is most frequently caused by burning transmission fluid. Put simply, when it comes to grey smoke, diesel cars tend to emit it when they lack enough oil. Weed Eater Blowing Blue Smoke. If your car is blowing blue smoke, it’s a clear sign that the engine is burning oil. It’s either a problem to do with the oil, or internal engine components. Although there is no good color smoke when it comes to your car, blue smoke is one of the colors you should be concerned about when you noticed it being emitted from your exhaust pipes. You … How do I stop my diesel engine from smoking? Blueish white smoke coming from the exhaust usually means one thing: you are burning oil. Well, you think it’s blue. Faulty breather of the crankcase. What does BLUE smoke from my exhaust mean? As with the coolant causing white smoke, any amount of oil in the cylinder will cause blue smoke from the exhaust. What is happening is that the engine seals are not effectively sealing the oil from getting into the cylinders. It’s never a good sign and could indicate a problem with your engine, so the sooner you address it, the lower the risk of … White smoke indicates condensation Like blue smoke, it can mean that the car is burning oil or suffering from a bad turbocharger. Well back in the day, black smoke from the exhaust meant your piston rings were worn and oil was getting into the firing chamber. The most common cause of blue exhaust smoke is oil leaking past engine seals and into the cylinders where it then mixes and burns with the fuel. Smoke color Possible causes. This chamber must stay as oil free as possible to help allow the fuel to burn as clean as possible. There is another reason for blue smoke, and that’s if the car is turbocharged; the smoke being a sign that the blower is in need of rebuilding or replacement. If the exhaust smoke is blue or gray: Thick blue or gray smoke is an indication of the vehicle burning oil, which means that oil is somehow leaking into your engine’s combustion chamber. Blue or white smoke coming from your engine usually indicates burning oil, which can be caused by: Overfilling the crankcase with oil. Blue Smoke From Exhaust When Accelerating When blue smoke is emitted from a car’s exhaust pipe, this usually indicates that a leak in the engine’s valve seals is allowing oil to leak into the combustion chamber where it is being burned along with the fuel. Causes include: Damaged or worn out piston rings, cylinders, stem seals or guides. It’s simply a by-product of burning fuel. • White smoke from the exhaust: This could be steam caused by condensation in the exhaust pipe or a more serious issue caused by an engine coolant leak. The cause of the leak could be degraded piston rings or valve seals within the engine. If this happens, you’re likely to experience a rough run from oil-fouled spark plugs as well as an illuminated Check Engine light. The combustion chamberis the exception. Smoke coming from your exhaust doesn’t necessarily mean a problem, it can represent the burning of naturally occurring condensation, but that doesn’t mean that all smoke is benign. What happens is that the valve guide seals or piston rings are worn out, and oil is leaking past from where it should be lubricating the moving parts, to the combustion chamber where it’s being burned up with the fuel. White, black or blue smoke can be emitted from the exhaust system with each color indicating a specific problem. This smoke should not be confused with White Smoke you will see when a car first starts up. Blue Exhaust Smoke. Your burning oil. If you have a two-stroke bike, grey smoke is perfectly normal, the only time it becomes a problem is if it is on a four-stroke. If you do see blue smoke, here are some of the possibilities. Thick white smoke from exhaust suggests that coolant or water has inadvertently … A new fuel odor or drop in MPG that seems to … White or blue smoke from your mower engine simply indicates burning oil. White Smoke From Tailpipe. Understanding all the different reasons you can have oil in the cylinders is not. It really does not smell very good and is not good for your health to breath in. If the valve guide’s seals or piston rings are worn out, the oil will leak into the combustion chamber which in turn will burn. As you can imagine engine oil is present all welcome throughout the engine as it lubricates internal parts. The first one is blue smoke coming from the exhaust when starting your car. White smoke is produced and because the material will contain plastics, it can be dangerous to inhale. Grey smoke is hard to diagnose directly. What Does Blue (or Blue/Gray) Smoke Mean. White or blue smoke may indicate an oil spill on the engine. As with the white smoke, just a small drop of oil leaking into the cylinder can produce blue smoke out the tailpipe. Blue smoke coming from your car’s exhaust is usually accompanied by a burning smell and it’s a sign that engine oil is getting burned off somewhere in your car. Blue smoke means oil has mixed with your gas in the combustion cycle, and that oil is being burned up and sent out your exhaust pipe with the rest of the partially burned fuel. Blue smoke from an exhaust is harder to ignore, since it’s often accompanied by a burning smell. Blue Smoke From Tailpipe A blue or grey colored smoke is typically caused by an engine that’s burning a significant amount of oil. Different colors of smoke coming out from your car tailpipe may indicate serious problems in your exhaust system or inside the engine that shouldn't be ignored. If blue smoke means your vehicle is burning motor oil what does black smoke mean? Blue smoke might be a fuel vapor. What does BLUE smoke from my exhaust mean? If you start up your motorcycle and notice smoke coming from the exhaust pipe, don’t worry. Blue exhaust smoke coming from car. What does blue smoke from exhaust mean? The other scenario is when blue smoke comes from your exhaust from accelerating. Color can point to the cause of exhaust smoke. If there are any problems with this device, it will mess up the entire system. Transmission Fluid Loss: There is a particular device that will control the transmission shift in older cars. As for oil smoke in a diesel, you shouldn’t expect to see any of that until the engine has many, many hours of run time and is nearing the end of its life expectancy. Blue smoke might be a fuel vapor. If you’re lucky, this can be caused by a blocked PCV valve, which can start sucking oil into the engine. If it does, there is something wrong with the engine and, as you might fear, the gasoline could catch on fire. 17-06-2021 Jay #Maintenance What does white smoke from exhaust mean? Exhaust smoke is the leftover burned fuel and air mixture that comes from a combustion engine. Blue Exhaust Smoke. Maybe you are like me and have to look it up every time. The causes behind this are similar to the causes behind blue smoke. As you may have suspected, blue smoke emanating from any part of a lawn mower does not mean a genie is about to appear and finish the mowing for you. Oil, transmission fluid and antifreeze are the three fluids most likely to be the cause of white smoke coming from your exhaust. Ruptured seals, leaky bolts and blown gaskets can expose oil to hot spots, making it burn. Blue exhaust smoke indicates that your engine is burning oil. The reason being is that there is likely an oil leak that makes your engine burn oil . This could be caused by: High engine oil levels; Worn out piston rings; Old valves or cylinders; Black or gray exhaust smoke. With modern engines, either two- or four-stroke, there should be no reason to see smoke from the exhaust. What does blue smoke from exhaust? The crankcase is overfilled with oil. This may be due to natural deterioration or a … Blue Smoke From Exhaust. Gray smoke is hard to diagnose directly. When you have blue smoke coming from your lawn mowers exhaust it means that you're burning oil which can be caused by worn piston rings, overfilling the engine oil or tipping the engine on it's side allowing engine oil to get into your carburetor. I wasn't suggesting that the way to control the … Blue exhaust smoke in a diesel vehicle could still mean oil is being burned, but it could also mean the engine oil is being atomized. Blue exhaust smoke only at start-up can indicate worn piston seals or damaged or worn valve guides which may also cause a rattling noise. Blue smoke coming out of the exhaust pipe means that there is an oil leak occurring inside the engine. Why Blue Smoke Comes Out of Your Car's Exhaust Pipe, DIY and car review with Scotty Kilmer. Although there is no good color smoke when it comes to your car, blue smoke is one of the colors you should be concerned about when you noticed it being emitted from your exhaust pipes. One of the most common signs of engine trouble is exhaust smoke. Much like humans, when your car is “feeling under the weather”, it will display signs of illness. Crankcase air leak. A crack or damage in the coolant reservoir tank is not a common cause for white smoke from the exhaust pipe, but it does contribute to the problem at times. The leak could be caused by several issues like leaking valve seals, damaged piston rings, or worn cylinder walls. White smoke. By far the most common form of exhaust smoke is going to have a blue tint to it, and this means the engine is burning oil. Blue exhaust smoke in a diesel vehicle could still mean oil is being burned, but it could also mean the engine oil is being atomized. Though this is primarily a problem in older cars, not taking care of maintenance issues can cause oil burning regardless of year. At this point, you can replace the connections or get a new weed eater. In this situation, a typically thin blue or grey haze is visible from the exhaust, along with the naturally occurring white steam that may be visible at times as well. Blue smoke from an exhaust. Blue smoke coming from your car’s exhaust is usually accompanied by a burning smell and it’s a sign that engine oil is getting burned off somewhere in your car. Under normal conditions, the smoke comes out of any exhaust system. Schedule. Blue Smoke. What does BLUE smoke from my exhaust mean? , leaky bolts and blown gaskets can expose oil to get inside the what does blue smoke from exhaust mean cylinder where gasoline. 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what does blue smoke from exhaust mean 2021