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What is the working principle of an exhaust gas turbocharger?

1 Answers
JeremiahLynn
07/25/25 2:37pm
An exhaust gas turbocharger works by directing the exhaust gases from the engine into a turbine, using the energy of the exhaust gases to drive the turbine's rotation, which in turn drives the compressor mounted on the same shaft to achieve pressurization. The turbine wheel and the compressor wheel are rigidly connected via the turbocharger shaft, forming what is known as the turbocharger rotor, which is supported by floating bearings within the turbocharger. During engine operation, the expelled exhaust gases impact the turbine wheel at high speed and a specific angle, causing the turbocharger rotor to spin rapidly. The high-speed rotation of the compressor wheel increases the air pressure in the engine's intake manifold, thereby achieving the desired pressurization effect.
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Is the new Lavida equipped with a one-key start?

Only the 280TSI Luxury version of the Volkswagen New Lavida is equipped with a one-key start function, while other standard models do not have this feature. Below are the advantages and disadvantages of the car's one-key start: 1. Automatic door unlocking: When the owner approaches the vehicle within approximately 3 meters, the door locks will automatically open, disabling the anti-theft system. 2. When the owner leaves the vehicle, the door locks will automatically lock, activating the anti-theft system. 3. When the owner enters the vehicle, simply pressing the start button is sufficient, enabling keyless operation. 4. If the position sensor fails or the ignition matching fails, a mechanical key will be required to start the car. Additional information: The one-key start intelligent system features include automatic unlocking, automatic locking, automatic window closing, automatic anti-theft, one-key start, one-key shutdown, automatic locking before driving, automatic unlocking when parking and shutting down, and a trunk opening function.
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How to turn off the Crown headlight cleaning?

Crown headlight cleaning is turned off when not in use. After activation, it will automatically turn off once the entire process is completed. Below is the classification of automotive lights: 1. Headlights, combined headlights located at the front of the vehicle, primarily serving illumination and signaling purposes; 2. Combined taillights, located at the rear of the vehicle, mainly for illumination and signaling; 3. Turn signals, used to indicate left or right turns to other road users. Regulations require them to be amber; 4. License plate lights, primarily illuminating the license plate to help identify the vehicle's license plate at night; 5. Car headlights, also known as vehicle front lights or LED daytime running lights, serve as the 'eyes' of the car. They not only relate to the owner's external image but are also closely linked to safe driving at night or in adverse weather conditions.
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What is the optimal mileage for the first maintenance of a new Sylphy?

The optimal mileage for the first maintenance of a new Sylphy is 5,000 kilometers. The first maintenance is the initial service after the vehicle leaves the factory and hits the road. In addition to the routine replacement of engine oil and oil filter, technicians will also inspect major components of the vehicle, such as checking the torque of suspension bolts and looking for any oil leaks in the engine or transmission, to prevent potential vehicle abnormalities. Therefore, it is essential to follow the recommended time or mileage and visit the 4S dealership for maintenance. Maintenance items include: replacing engine oil, oil filter, air filter, fuel filter, transmission fluid, cabin air filter, and engine belt; inspecting spark plugs, tires, and braking system; topping up brake fluid; and cleaning fuel injectors and throttle body. First maintenance precautions: Confirm the first maintenance time and mileage for your car. Be sure not to miss the free first maintenance service due to exceeding the time or mileage limit. Schedule the first maintenance appointment in advance. It is recommended to call the local dealership's after-sales service one day in advance to book the first maintenance appointment. When scheduling the appointment, inquire about the required documents to bring, such as the purchase invoice.
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Where is the battery of Mercedes-Benz S500 located?

The battery of the older version Mercedes-Benz S500 is located under the protective pad on the right side under the hood, while the newer version Mercedes-Benz S500 uses a polymer battery, positioned at the upper left corner of the hood. Below are the specific details of the Mercedes-Benz S500: 1. The Mercedes-Benz S500 is a sedan with body dimensions of 5159mm in length, 1854mm in width, and 1453mm in height. 2. The hybrid drive system of this model consists of a powerful eight-cylinder gasoline engine and a high-torque electric motor, operating in an economical manner to minimize environmental impact. 3. The car is equipped with a 7-speed automatic transmission, with a top speed of 250 km/h, and front and rear wheel tracks of 1574.8mm each.
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How to reset the maintenance light on a 2017 Ford Escort?

Here is the method to reset the maintenance light on a 2017 Ford Escort: 1. Open the car door and press the settings button in the central control navigation. 2. After entering the page, long-press the information button and enter the password 75315908. 3. Then click confirm, and this will complete the reset of the maintenance light on the 2017 Ford Escort. Additional information: The maintenance light is a reminder function set by the car manufacturer to prompt the owner to perform maintenance at certain mileage or time intervals, displayed in the form of a dashboard or screen message or indicator light. Resetting the maintenance light means performing a reset or information reset after completing the maintenance to clear the reminder message.
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What tires are used on the 2018 Sagitar?

18 Sagitar uses Giti brand tires. The model is 205/55R16, and the spare tire model is 195/65R15. The following are the main functions of car tires: 1. Support the entire weight of the vehicle, bear the load of the car, and transmit forces and moments in other directions. 2. Transmit traction and braking torque to ensure good adhesion between the wheels and the road surface, thereby improving the car's power, braking, and passability; work together with the car suspension to mitigate the impact during driving and dampen the resulting vibrations. 3. Prevent severe vibrations and early damage to car components, adapt to the high-speed performance of the vehicle, reduce driving noise, and ensure driving safety, handling stability, comfort, and energy efficiency. Extended information: The new Sagitar is an A+ class comfortable sedan that perfectly combines the latest German craftsmanship with modern and dynamic styling.
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