Signs and causes of “reverse pressure” in the exhaust system

 The exhaust system in the car is the breathing process of the human being, through which the car engine can get rid of gases and vapors resulting from the internal combustion process and not necessary to maintain the car
engine. outside, and this is what is called “reverse pressure” in the car

 Indications of backpressure in the exhaust system in the car:

As for the indications of this happening in the car, they are as follows:

1- Weakness in the engine torque in the car, and this appears clearly while driving at high speeds

2- Increase in the rate of fuel consumption in the car

3- The engine does not rotate well

4- The increase in back pressure in the exhaust system leads or negatively affects the EGR valve

Causes of back pressure in the exhaust system in a car: 

As for the reasons for this happening, they are as follows:

1- The occurrence of a complete or partial blockage in the catalyst bear.

2- A blockage occurs in the shaman, which is located in the middle or the last, which is located at the back of the car

3- Exhaust pipes are exposed to blockage, as a result of any reason that hinders the exit of exhaust smoke or combustion products.