What Does Colored Exhaust Smoke Indicate?


Modern cars have many ways of communicating problems with their drivers. This includes illuminating dashboard indicator lights, such as the check engine light, or using an onboard computer system to provide further info to the driver. However the systems that detect problems on vehicles do not have the same ability to sense as humans. By using your senses you can often detect some sort of trouble ahead with your vehicle. It is important to utilize your senses of sight, smell and touch to keep a lookout for potential problems. Visually analyzing your vehicle's emissions is important to do from time to time, as colored exhaust smoke could mean your car has an unhealthy engine. These are the most common colors of exhaust smoke and the problems they could indicate.

Blue Exhaust Smoke

A car that is producing blue exhaust is suffering from an oil leak that is allowing the oil to be burnt up in the combustion chamber. Oil leaks are very dangerous for vehicles because it means there is improper lubrication occurring between the motor's moving parts. Some oil leaks are more serious than others so it is important to always have them checked out by a professional technician in order to get proper advice about repairs.

White Exhaust Smoke

Your vehicle's cooling system has a very important job. It regulates the engine's operating temperature in order to prevent it from literally melting itself. If your vehicle is producing puffy white exhaust smoke in means that coolant is being burnt up in the engine and expelled through the emissions system. If this occurs it means that the motor will not be able to be properly cooled and major engine damage may occur if the issue is not resolved quickly.

Black Exhaust Smoke

A vehicle that is spewing black exhaust smoke is burning too much gasoline. This can be caused by variety of problems, some of the most common being a leaking fuel injection unit or a stuck fuel pump relay. However there is another small problem that could cause this, a clogged air filter. If the air filter is clogged it will prevent the proper air and fuel mixture from being created inside the motor which is required for it to properly run. In order to compensate for the lack of air the motor will burn excessive amounts of gasoline. Not only is this bad for your vehicle's motor but it drastically reduces fuel economy.

The above problems could indicate major engine damage, such as a cracked block. Be sure to visit a mechanic for further diagnostics, but it is likely time for a new motor. For expert diagnostics and to schedule an engine replacement in Mesa or the surrounding area be sure to reach out to Discount Engines. We install used and rebuilt engines in all makes and models of import and domestic vehicles, and all services are backed by a great warranty. Contact us at (480) 351-6068 to request more information about used or rebuilt engines in Mesa today.

Discount Engines Blog

Written and Published By MORBiZ

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