What is the difference between original tires and non-original tires?

How to Read an Automotive Refrigerant Pressure Gauge?

Locate the high-pressure and low-pressure ports of the car's air conditioning system and connect the refrigerant charging gauge. Turn on the car's air conditioning to start its operation. Once the air conditioning is running, observe the gauge readings. Under normal conditions, the low-pressure reading should be maintained between 3-4, and the high-pressure reading should be between 10-15. The scale on the refrigerant charging gauge indicates pressure, allowing you to determine the compressor's discharge and intake pressures, thereby assessing whether the system is operating normally.

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What is the Engine Oil Grade Chart?

Automotive engine oil grades are classified based on two major indicators: the viscosity index SAE and the quality index API. Below is an introduction to the classification of engine oil grades: 1. Classification according to SAE viscosity grades: 1. There are 6 types of winter engine oils: 0W, 5W, 10W, 15W, 20W, and 25W. The "W" stands for Winter, and the smaller the number before it, the greater the fluidity of the oil and the lower the applicable temperature. 2. There are 5 types of summer engine oils: 20, 30, 40, 50, and 60. The larger the number, the higher the viscosity of the oil, the stronger the high-temperature protection performance, and the higher the applicable temperature environment. 3. There are 16 types of all-season (winter and summer) engine oils: 5W20, 5W30, 5W40, 5W50, 10W20, 10W30, 10W40, 10W50, 15W30, 15W40, 15W50, 20W20, 20W30, 20W40, and 20W50. 2. Classification according to API quality grades: 1. The API quality grades divide engine oils into the S series and the C series. 2. The S series indicates gasoline engine oils; the C series indicates diesel engine oils. 3. When labeled with both S and C, it means the oil is suitable for both diesel and gasoline engines. Each series is sorted by letters (A, B, C, D, E, F, etc.), and the further back the letter, the higher the grade and the better the performance.

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How to Handle a One-Time Deduction of 12 Points on a Driver's License?

If a driver's license is deducted 12 points at once, the driver will not be allowed to drive and must complete theoretical training before they can regain their license. Below are the specific details: 1. One-time deduction of 12 points: If a driver's license is deducted 12 points in one instance, the driver will not be allowed to drive and must complete theoretical training to regain their license. 2. Multiple deductions of 12 points: If a driver exceeds 12 points more than twice within a single scoring cycle, they will be required to take a road test. After accumulating 12 points and having their license suspended, the driver must report to the issuing authority of the motor vehicle driver's license within 15 days to attend a 7-day training program on road traffic safety laws and related knowledge.

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Why Are License Plates Black?

Black license plates are issued to vehicles owned by enterprises from Hong Kong, Macau, and Taiwan, foreign and international organizations stationed in China, vehicles purchased by foreigners in their private capacity for use in China, and vehicles entering China from abroad. License plates serve as a numbering and information registration system for vehicles, with their primary function being to identify the region to which a vehicle belongs. They also allow for tracing the vehicle's owner and registration details. License plates are plates affixed to the front and rear of a vehicle, typically made of aluminum, sheet metal, plastic, or paper, inscribed with the vehicle's registration number, registration region, or other relevant information. Classification of Chinese License Plate Colors: Chinese license plates come in five colors: blue, yellow, white, black, and green. Each color represents a different category; Blue is for private vehicles and is generally issued by local vehicle management offices to the public; Yellow is used for large vehicles, agricultural vehicles, or training vehicles, and is also used for prototype vehicles undergoing testing; White is typically for military or police vehicles and is also used for racing cars; Black is for vehicles owned by foreign enterprises or brought into China by foreign companies.

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What Causes Black Smoke from China V Diesel Engines?

Black smoke from China V electronically controlled diesel vehicles may be caused by incomplete combustion, typically due to faulty exhaust sensors or poor fuel injector atomization. Black smoke, also known as soot, primarily results from excessively rich air-fuel mixture, poor mixture formation, or incomplete combustion in diesel engines. It is recommended to visit a 4S shop for professional service. Below is an introduction to diesel vehicles: 1. Definition: Diesel locomotives, also called internal combustion locomotives, refer to rail vehicles powered by diesel engines that drive wheels through transmission devices. Internal combustion engines are stable, less prone to failure, fast in acceleration, powerful in traction, efficient, and produce a robust sound. While diesel engines share many working cycle similarities with gasoline engines, their ignition method differs - diesel engine cylinders use compression ignition rather than spark ignition. 2. Working Principle: Diesel engines generate kinetic energy by combusting diesel in cylinders, driving the crank-connecting rod mechanism attached to pistons to perform reciprocating circular motion around the crankshaft, thereby outputting power. Four-stroke diesel engines consist of four strokes: intake, compression, power, and exhaust.

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How Many Chances Are There for Subject 4 on the Same Day?

There are 2 exam opportunities for Subject 4 on the same day. No matter how many times you take Subject 4, it will not affect the scores of the subjects you have already passed. Even if you fail Subject 5 times, you can still schedule another exam after 10 days, and other subjects will not be invalidated, nor will you need to retake them. Below is relevant information about Subject 4: 1. The difference between Subject 4 and Subject 1: Subject 4 is actually the same as Subject 1 in that there are no limits on the number of exam attempts—you can schedule the exam as many times as needed until you pass. However, there are two obvious differences: first, Subject 4 has a corresponding time limit, and second, retakes do not require a retake fee. 2. Time limit: Although there is no limit on the number of attempts for Subject 4, according to the 'Regulations on the Application and Use of Motor Vehicle Driving Licenses,' after passing Subject 1, the remaining subjects must be completed within the 3-year validity period of the learning-to-drive certificate. If all subjects are not passed within the 3-year validity period, the scores for all subjects will indeed be invalidated, and you will have to re-enroll and pass all subjects again to obtain a driver's license. 3. Fees: For Subjects 1 to 3, each retake requires a fee ranging from tens to hundreds of yuan, but Subject 4 is different—each retake is free.

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What is the difference between original tires and non-original tires?

How to Read an Automotive Refrigerant Pressure Gauge?

What is the Engine Oil Grade Chart?

How to Handle a One-Time Deduction of 12 Points on a Driver's License?

Why Are License Plates Black?

What Causes Black Smoke from China V Diesel Engines?

How Many Chances Are There for Subject 4 on the Same Day?

What is the function of the PCV valve in a car?

What does it mean when the electronic parking brake makes a squeaking sound after being engaged?

What are the brands of hydrogen-powered vehicles

How to Choose Between Eco Mode, Normal Mode, and Sport Mode?