How Many Types of Automotive Engines Are There?

What Happens If the Exhaust Pipe Is Blocked?

The consequences of a blocked exhaust pipe include: 1. The car experiences difficulty in acceleration, with the engine RPM and speed struggling to increase; 2. Automatic transmission vehicles are forced to frequently downshift; 3. The engine's power output decreases, leading to excessive exhaust emissions; 4. The engine may shake, the malfunction indicator light may turn on, and the engine may frequently stall; 5. The exhaust pipe temperature continuously rises, potentially reaching the ignition point of nearby components and causing spontaneous combustion. The exhaust pipe is installed between the engine exhaust manifold and the muffler, providing flexible connection for the exhaust system to reduce vibration and noise. Maintenance methods include: 1. Preventing water from entering the inside of the exhaust pipe; 2. Applying anti-rust oil inside the exhaust pipe; 3. Regularly inspecting the condition of the exhaust pipe.

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How Many Years Can a Vehicle Be Transferred from Public to Private Use?

There are no specific year restrictions for transferring a vehicle from public to private ownership, as long as it complies with the "Mandatory Scrapping Standards for Motor Vehicles." Additional information: The service life for various types of motor vehicles is as follows: (1) Small and mini taxi passenger vehicles: 8 years; medium-sized taxi passenger vehicles: 10 years; large taxi passenger vehicles: 12 years. (2) Rental passenger vehicles: 15 years. (3) Small coaching passenger vehicles: 10 years; medium-sized coaching passenger vehicles: 12 years; large coaching passenger vehicles: 15 years. (4) Public transport passenger vehicles: 13 years. (5) Other small and mini commercial passenger vehicles: 10 years; large and medium-sized commercial passenger vehicles: 15 years. (6) Specialized school buses: 15 years. (7) Large and medium-sized non-commercial passenger vehicles (excluding large sedans): 20 years. (8) Three-wheeled vehicles and low-speed trucks with single-cylinder engines: 9 years; other cargo vehicles (including semi-trailer tractors and full-trailer tractors): 15 years. (9) Special-purpose vehicles with cargo functions: 15 years; special-purpose vehicles without cargo functions: 30 years. (10) Full trailers and semi-trailers for hazardous material transport: 10 years; container semi-trailers: 20 years; other semi-trailers: 15 years. (11) Three-wheeled motorcycles: 12 years; other motorcycles: 13 years.

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Can a Roof Color Change Pass the Annual Inspection?

If the roof color change has been filed with the vehicle management office, it can pass the annual inspection normally. If not filed, it cannot pass the inspection. Annual inspection time requirements: Small and micro non-operating passenger vehicles are exempt from inspection for the first 6 years. After 6 years but less than 10 years, they need to be inspected every two years; after 10 years but less than 15 years, they need an annual inspection; after 15 years, they need to be inspected every 6 months. Operating passenger vehicles need an annual inspection within 5 years; after 5 years, they need to be inspected every 6 months. Trucks and large and medium non-operating passenger vehicles need an annual inspection within 10 years; after 10 years, they need to be inspected every 6 months. Imported vehicles, like other models, can undergo regular inspections at any testing site. Annual inspection precautions: Vehicles that fail the annual inspection must be repaired within a specified time. If they still fail after the deadline, the vehicle management office will confiscate their license plates and prohibit further driving. Vehicles that do not participate in the annual inspection without reason or fail the inspection are not allowed to drive on the road or transfer ownership. Vehicles that meet the scrapping conditions or exceed the specified usage period will not be inspected, and their license plates will be revoked, files deleted, and the vehicles scrapped.

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What Causes Brake Noise at Low Vehicle Speeds?

Vehicle low-speed brake noise is caused by: 1. When the brake discs rub against each other, they generate some metal powder. Pressing the brakes will then produce some abnormal noises. Such noises from the brake pads are normal phenomena; 2. Brake noise indicates that the brake pads have reached their wear limit. Friction between the brake warning shim and the brake disc will create a metal-on-metal grinding sound. Solutions for brake noise: 1. Firmly press the brakes several times or perform emergency braking in an open area a few times, and this situation will improve; 2. It is necessary to promptly replace the vehicle's brake pads to prevent potential hazards.

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How to Open the Hood of the Mazda3 Axela?

The method to open the hood of the Mazda3 Axela is as follows: 1. Open the car door and enter the driver's seat; 2. Locate the hood release lever on the lower left side; 3. Lift the hood release lever upward to open the hood. Taking the 2020 Mazda3 Axela as an example, it belongs to the compact car category with the following dimensions: length 4662mm, width 1797mm, height 1445mm, wheelbase 2726mm, and a fuel tank capacity of 50 liters. The 2020 Mazda3 Axela is equipped with a 2.0L turbocharged engine, delivering a maximum horsepower of 117PS, maximum power of 86kW, maximum torque of 148Nm, paired with a 6-speed manual transmission.

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What Level of Autonomous Driving Has Li Auto Achieved?

Li Auto's autonomous driving technology currently operates at Level 2. Here's more information about autonomous driving levels: 1. Level 1: Can assist drivers with certain driving tasks, such as the Adaptive Cruise Control (ACC) feature installed in many vehicle models, which uses radar to monitor real-time distance and control vehicle acceleration/deceleration. This is widely applied in many domestic vehicle models. 2. Level 2: Can automatically perform certain driving tasks and adjust vehicle status through processing and analysis. Features like Tesla's Lane Keeping Assist fall under this level, which not only controls acceleration and deceleration but also manages steering. However, drivers must remain attentive to ensure safe operation. 3. Level 3: Vehicles at this level are controlled by more logical driving computers, allowing drivers to refrain from keeping their hands and feet ready. The vehicle can independently handle driving operations under specific conditions, but drivers cannot sleep or rest and must intervene when the AI cannot make accurate judgments. The recently launched BMW X7 claims to have achieved this level of autonomous driving. 4. Level 4: Vehicles can make autonomous decisions without any driver input, typically relying on real-time updated road data to support functions like automatic vehicle retrieval, convoy cruising, and obstacle avoidance in real-world scenarios. 5. Level 5: The key difference from Level 4 is that no driver intervention is required at all. This level enables all-weather, all-terrain autonomous driving, adapting to environmental and geographical changes, allowing drivers to focus on rest or other tasks.

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How Many Types of Automotive Engines Are There?

What Happens If the Exhaust Pipe Is Blocked?

How Many Years Can a Vehicle Be Transferred from Public to Private Use?

Can a Roof Color Change Pass the Annual Inspection?

What Causes Brake Noise at Low Vehicle Speeds?

How to Open the Hood of the Mazda3 Axela?

What Level of Autonomous Driving Has Li Auto Achieved?

What does the appearance of a faucet symbol on the car dashboard mean?

Can Tire Pressure Monitoring Be Transferred to Another Vehicle?

What Does Car Programming Mean?

What are the precautions for using car air conditioning?