Vehicle power and exhaust system Audi A4 B6, gasoline
Turbocharger — General Description
The main purpose of supercharging is to improve the filling of the cylinders with fresh air, which is necessary for the combustion of fuel, i.e. to increase...
The main purpose of supercharging is to improve the filling of the cylinders with fresh air, which is necessary for the combustion of fuel, i.e. to increase...
Intake system in FSI engines — general description
The new Fuel Stratified Injection technology works with a powerful intake system. The volume of oxygen intake is analyzed by a hot-air flow meter. An...
The new Fuel Stratified Injection technology works with a powerful intake system. The volume of oxygen intake is analyzed by a hot-air flow meter. An...
Fuel system — design description
The fuel system of your car consists of five components: the fuel tank, the associated pipes, the fuel filter, the fuel pump and the petrol injection system,...
The fuel system of your car consists of five components: the fuel tank, the associated pipes, the fuel filter, the fuel pump and the petrol injection system,...
The most important parts of the fuel supply system
Fuel tank. The fuel tank is made of plastic and is located in front of the rear axle under the base of the monocoque body. In all-wheel drive vehicles, the...
Fuel tank. The fuel tank is made of plastic and is located in front of the rear axle under the base of the monocoque body. In all-wheel drive vehicles, the...
The principle of operation of the activated carbon tank
During the so-called blowdown, the fuel vapors accumulated in the activated carbon are regenerated. To do this, under the effect of reduced pressure in the...
During the so-called blowdown, the fuel vapors accumulated in the activated carbon are regenerated. To do this, under the effect of reduced pressure in the...
Fuel — General Information and Savings
The engines require Euro Super unleaded fuel to operate (octane number 95), 3.0L engine runs on Super Plus (octane number 98). You can also fill up with normal...
The engines require Euro Super unleaded fuel to operate (octane number 95), 3.0L engine runs on Super Plus (octane number 98). You can also fill up with normal...
Draining fuel from the fuel tank
There is no drain plug in the fuel tank. Since the suction and return lines are located at the top of the tank, there is no way to simply remove the line and...
There is no drain plug in the fuel tank. Since the suction and return lines are located at the top of the tank, there is no way to simply remove the line and...
Replacing the fuel filter
The fuel filter is of such a size that it is generally not necessary to change it. Despite this, when refueling with the wrong fuel and other similar cases, it...
The fuel filter is of such a size that it is generally not necessary to change it. Despite this, when refueling with the wrong fuel and other similar cases, it...
Dismantling of pipelines and hoses
Even after the engine is turned off, the fuel system remains under pressure for a long time. Therefore, when unscrewing the fuel lines, it is necessary to have...
Even after the engine is turned off, the fuel system remains under pressure for a long time. Therefore, when unscrewing the fuel lines, it is necessary to have...
Fuel Pump Troubleshooting
The electric fuel pump is energized via a relay. The fuel pump only operates when the engine is running or when you turn the ignition key to start the engine....
The electric fuel pump is energized via a relay. The fuel pump only operates when the engine is running or when you turn the ignition key to start the engine....
Removal the fuel pump module
The fuel pump is located in a module, which in turn is located in the fuel tank. As mentioned above, dismantling and installing this module should be done in a...
The fuel pump is located in a module, which in turn is located in the fuel tank. As mentioned above, dismantling and installing this module should be done in a...
Checking the fuel pump relay
Vehicles with an airbag have a collision fuel shut-off device. This device is designed to reduce the risk of fire after a collision. To do this, the fuel pump...
Vehicles with an airbag have a collision fuel shut-off device. This device is designed to reduce the risk of fire after a collision. To do this, the fuel pump...
Exhaust system — design description
The exhaust system is designed to remove exhaust gases, and the exhaust gases should contain as few harmful substances as possible (use of a catalytic...
The exhaust system is designed to remove exhaust gases, and the exhaust gases should contain as few harmful substances as possible (use of a catalytic...
Service life of the exhaust system
The exhaust system is designed for approximately 60 thousand km. Naturally, the service life of the system depends on the operating mode of the car. If the car...
The exhaust system is designed for approximately 60 thousand km. Naturally, the service life of the system depends on the operating mode of the car. If the car...
Neutralization of exhaust gases
Fuel is mainly composed of carbon and hydrogen. When burned in an engine, carbon combines with oxygen in the air to form carbon dioxide (CO₂), and when...
Fuel is mainly composed of carbon and hydrogen. When burned in an engine, carbon combines with oxygen in the air to form carbon dioxide (CO₂), and when...
Oxygen sensors — design description
To measure the oxygen content in the exhaust gas, one oxygen sensor is installed on the intake pipe of the catalytic converter, and the second one is installed...
To measure the oxygen content in the exhaust gas, one oxygen sensor is installed on the intake pipe of the catalytic converter, and the second one is installed...
Exhaust system for FSI engines
In order to achieve and even exceed the stringent Euro 4 exhaust emission standard in the case of an efficient and clean direct petrol injection engine, the...
In order to achieve and even exceed the stringent Euro 4 exhaust emission standard in the case of an efficient and clean direct petrol injection engine, the...
Tips for working with the exhaust system
Good welding on rusty metal will not work, so repairing a rusted exhaust system usually gives only a short-term effect. Although an exhaust system repair kit...
Good welding on rusty metal will not work, so repairing a rusted exhaust system usually gives only a short-term effect. Although an exhaust system repair kit...
Checking the condition of the exhaust system
The exhaust system is connected to the exhaust manifold using bolts and nuts. It is suspended from the bottom of the car using rubber loops with a crossbar. 1....
The exhaust system is connected to the exhaust manifold using bolts and nuts. It is suspended from the bottom of the car using rubber loops with a crossbar. 1....
Replacement and installation of the exhaust system
As mentioned above, the exhaust system installed in cars depends on the engine. Even if you intend to change only individual parts, you will still have to...
As mentioned above, the exhaust system installed in cars depends on the engine. Even if you intend to change only individual parts, you will still have to...
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