Black smoke from the exhaust is a sign that the engine is burning too rich a mixture of fuel and air. A rich mixture is a mixture that contains less air than is necessary for the complete combustion of the fuel.

This means that a larger amount of fuel enters the cylinders than would belong to a certain ratio of air, due to which incomplete combustion occurs. This incomplete combustion results in black smoke from the exhaust, which contains a large amount of soot.

Blue smoke from the exhaust means only one thing: engine oil enters the cylinder space. The more engine oil penetrates into the cylinders, the more the car smokes.

In addition to the blue smoke from the exhaust, an accompanying phenomenon of oil penetration into the cylinders is also excessiveengine oil consumption.

Runaway diesel, or diesel engine runaway, is a malfunction that prevents the diesel engine from turning off and leads to its self-destruction. Such a situation can scare many people because the engine roars and produces enormous smoke.

This article will shed light on the runaway diesel, what is causing this problem, and what needs to be done in such a situation to avoid the destruction of the engine.

There are malfunctions that even an experienced motorist cannot detect without equipment. However, such malfunctions can also be detected in time without any equipment.

You will simply need only your senses, or more precisely, one which is your hearing.

Fuel consumption is one of the most important factors when buying a car, especially for people who use their car daily and achieve high mileage each month.

And even if that's not the case, fuel consumption is the thing that interests almost every owner of the car. So what's the cause of high fuel consumption? Let's check out the 14 most common causes of it.