Blue or White Smoke

If you notice smoke coming from your Audi A4 exhaust, understand that the engine of the vehicle will have a failing component. You can diagnose the challenge based on the smoke color. The white smoke emitted with the exhaust when you start the engine each morning is no problem as it’s just water vapor. But if the thing is the smoke even though the engine has moderately dewrinkled, we have a problem to mend. In this article, we can find out why your Audio A4 is emitting white, blue, or black smoke. We will also discuss how it is possible to fix these complaints. Read on.

3 Main Reasons for Engine Smoking

With time, the engine of the car fades away. The three major varieties of fluid that keep Audio A4 engine in optimal condition include engine oil, coolant, and air-fuel mixture. When many of the fluids enter into the combustion chamber, you do have a smoking engine. Let’s begin details.

Bad Air-Fuel Mixture

If the air-fuel mixture will not be adjusted properly, the car engine may emit back smoke. Usually, this matter happens when there’s too much fuel inside the air-fuel mixture. When the excess fuel isn’t burned, it gets out of your engine inside form of black smoke.

Coolant leakage Into the Combustion Chamber

If the engine coolant seeps into your cylinders for reasons uknown, it gets combusted and produces white smoke.

Oil seepage Into Combustion Chamber

Almost all the parts of a motor room fire are moving if you are driving the car. The engine oil provides lubrication of those components. When the engine oil makes its way in to the combustion chamber, the truth is blue smoke taken from the exhaust.

Possible solutions

Given underneath are some possible approaches to the problems in line with the color of the smoke.

Fixing black smoke in the exhaust

If the air-fuel mixture just isn’t adjusted properly, the unburned fuel will produce black smoke as a result of choked furnace filter, malfunctioning MAF, fuel injector, fuel pump, or pressure regulator.

All you must do is monitor the sensors make certain they are clean. Plus, none of such components must be clogged. If they can be, you’ll be able to clean those to solve the challenge.

Fixing blue smoke in the exhaust

If engine oil is getting into your combustion chamber, it can be due to worn piston rings, cylinder walls, valve stems, valve seals, or turbo oil seals. To solve the issue, you should replace the worn piston rings. But if you will find there’s damaged critical part, you must go for a complete engine overhaul. Alternatively, you are able to get the engine replaced.

Fixing white smoke in the exhaust

Water leakage into your cylinders is caused by a cracked engine block, a blown head gasket, or possibly a worn engine block or head. Typically, your head gasket is blown once your engine gets hot frequently. This causes the top gasket to acquire brittle with all the passage of energy. An easy fix is to get your head gasket replaced or go with an engine rebuild.

In short, should your Audio A4 engine is producing white, black, or blue smoke, you may follow the tips given above to solve the down sides once and for all.