Have you ever seen a blue, black, grey or white smoke from car exhaust when accelerating? Well, it doesn’t really affect you directly if the car in question is not yours. However, you should take things more seriously in case you find black, grey, white or blue smoke from exhaust of your car. Here, we tell you about the typical causes of smoke from vehicles exhaust system.
Most Internal Combustion (IC) engines derive power through combustion of petrol, diesel or CNG in a closed chamber that emits harmful gases and noise during the process. These gases can cause a lot of pollution if they are released in the environment without treatment. This is exactly where exhaust systems come to play. Simply speaking, they reduce the harmful effect of these gases to a large extent. This is done through treatment of these gases and finally release them in the form of smoke.
All’s well if the release smoke from exhaust of cars is colourless or slightly white. However, things are certainly going wrong if you see blue, black, grey or white smoke from exhaust when accelerating or even when the engine is in idle. Our little guide here should help you figure out what causes, white, black, grey or blue smoke from exhaust of your car.
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So, these were the reasons for blue, grey, black and white smoke from your car’s exhaust. IF you notice such a smoke from exhaust of your vehicle, you should head to your mechanic and get the issue resolved at the earliest.
Under normal operation, the smoke from vehicles is colourless or a faint shade of white. However, blue, grey, black and white smoke from your car’s exhaust is a definite sign of concern. It’s also a sign of poor maintenance and should be noted seriously in case you plan to buy a used car. Regular maintenance and an understanding of engine behaviour in case of malfunction can help you minimise the chances of engine damage. Remember, the colour of the smoke from vehicles is an important sign of the health of the engine.
A. In normal conditions, smoke from vehicles is colourless or translucent. However, in case you see blue, black, grey or white smoke from car exhaust when accelerating or even on idle, it’s a sign of worry. Based on the colour of smoke, the problem with the engine could range from anything from a coolant leak to an incorrect Air-Fuel-Ratio. Whatever the case, you should visit a workshop at the earliest and get the issue resolved.
A. White smoke from car exhaust system is a clear sign of coolant burning int eh combustion chamber. This happens due to coolant leaking into the engine chamber. If you see white smoke from exhaust, pull over, switch off the engine and call a mechanic. Alternatively, you can drive down to a nearby workshop.
A. Black smoke from car exhaust is caused by incomplete combustion or fuel reaching the combustion chamber. This leads to a lot of unburnt fuel in the exhaust pipe. In case you see black smoke from your car’s exhaust, do not neglect it. Leaving this issue unaddressed might lead to a reduction in the longevity of the engine.
A. Blue smoke from exhaust is a sure-shot sign of burning of engine oil due to oil leaking into the combustion chamber. This could be a clear indication of the engine nearing the end of its lifecycle or the oil levels being too low. In either case, a serious repair work is required at the earliest.
A. In normal circumstances, the smoke from vehicles is colourless or translucent. However, blue, black, grey or white smoke from vehicles exhaust is a sign of requirement of maintenance work. Basis the colour of smoke, the issue with the engine could be anything from a coolant leak to an incorrect Air-Fuel-Ratio. Regardless of the case, one should head to a reliable workshop as soon as possible to avoid permanent damage to the engine.
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