6 reasons why your car exhaust smells bad?

According to the online economy report; The bad smell of the exhaust can be caused by a series of problems inside the car that you should follow up to be able to fix this problem quickly. In fact, if you cannot fix this problem, you will have to pay a lot of money for other car parts. In the following, we will tell you the reasons that lead to the unpleasant smell of the car.

Bad smell of exhaust and its reasons

Poor burning of gasoline can cause an unpleasant smell from the exhaust. Keep in mind that this unpleasant smell caused by gasoline can be a sign of a damaged road or a dirty road from the exhaust of cars. There are a series of problems in the car that can cause this problem.

The smell of gasoline around the exhaust, irregular operation of engines and dirt and failure of injectors can be the reasons for this. In most cases, the unpleasant smell caused by the exhaust can be due to a fundamental problem in the car. If you do not fix this problem, many problems may arise for your car and you will have to change a series of other parts of the car as well, and this work can be very difficult for you.

1. Deterioration of catalysts

Catalytic converter is one of the most important parts in vehicles. This device is used in the car to reduce harmful gases, and if it suffers from a series of special problems, it may cause a bad exhaust smell for your car. If the unpleasant smell is accompanied by the spread of the unpleasant smell of sulfur in the environment, it is better to replace this catalyst because it has lost its efficiency and can no longer do its job properly.

2. Problem in cooler or heater

Another very important component in the car is the cooler and heater, and these two items can also lead to an unpleasant smell in the exhaust. In fact, when the antifreeze is mixed with the oil in the car, an unpleasant smell may be created, and keep in mind that the failure of the cooler and heater can also cause the same problem.

3. Deterioration of plastic insulation

Another problem that may lead to an unpleasant smell in the exhaust is the breakdown of the plastic insulation of the car door, and most of these problems occur in very old and worn out cars, and the possibility of this problem occurring in new cars is very low. is.

4. Oxygen sensor problem

The oxygen sensor in the car is used to measure exhaust gases and can adjust the amount of fuel input and output. Keep in mind that if this sensor is damaged, disproportionate fuel will be transferred to the engine, and this very simple thing can lead to bad smelling gases.

5. Defective injector

If an unpleasant smell comes out of your car’s exhaust, you should know that this problem can be caused by faulty injectors. In fact, when the injector is broken, additional fuel is imposed on the engine and this fuel burns unpleasantly and creates an unpleasant smell. If you smell an unpleasant smell, it can be very harmful to your health, so you should leave your car in the hands of a repair shop so that you can repair it and use it properly.

Changing the color of the exhaust smoke is one of the most obvious and easy ways to diagnose a car engine problem.

6. Injector failure and its connection with the smell caused by the exhaust

Now that you are familiar with this problem in the car, you need to get a series of other information about the problems of the car, such as the signs of failure of the starter relay and the detection of a damaged car battery, and if necessary, you can make the most of this knowledge.