Can a new car be licensed with scratches?

Is It Normal to Drive 600 km with 50 Liters of Fuel?

50 liters of gasoline for 600 kilometers translates to 8.5 liters per 100 kilometers. This is normal for engines with a displacement above 1.8L, but if the displacement is below 1.8L, the fuel consumption is considered high. Solutions for high fuel consumption: 1. Clean engine carbon deposits: Excessive carbon buildup in the engine is a major cause, often due to using unsuitable fuel. It is recommended to add a certain amount of cleaning agent when refueling. If the effect is not noticeable, it indicates significant carbon deposits in the engine. In this case, the car must be taken to a 4S shop for professional cleaning of the engine's carbon deposits by technicians. 2. Check the oxygen sensor: As an internal control unit of the car, the oxygen sensor monitors the fuel-air ratio in the engine. If it is damaged, it will cause an imbalance in the fuel-air ratio, leading to a sudden increase in fuel consumption. When the oxygen sensor is damaged, the exhaust pipe will emit darker-colored exhaust gases during driving, and the oxygen sensor should be replaced.

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What is the content of Subject 4 exam?

Subject 4, also known as the Subject 4 theoretical exam or driver's theoretical exam, is part of the assessment for obtaining a motor vehicle driver's license. The main contents include: requirements for safe and civilized driving operations, knowledge of safe driving under adverse weather and complex road conditions, emergency handling methods for situations such as tire blowouts, and knowledge of post-traffic accident procedures. The Subject 4 exam consists of 50 questions, primarily presented in the form of case studies, images, and animations. The total score is 100 points, with a passing score of 90. After the implementation of the Ministry of Public Security's Order No. 123, the Subject 3 exam was divided into two parts: in addition to the road test, a safety and civilization knowledge test was added, commonly referred to as "Subject 4," which assesses "driving ethics." Because this exam is conducted after Subject 3, it is commonly called the Subject 4 exam. Officially, there is no such term as Subject 4. Before the exam, students can study traffic regulations through driver's mock exam software available on mobile devices and computers.

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What are the reasons for a 24V parking generator not starting?

Here are the specific reasons why a 24V gasoline generator does not start: 1. Check if the starter motor is rotating: If the starter motor does not rotate during the starting process or the starter motor can rotate but feels obviously weak in starting, you can first check the power supply to see if the battery has sufficient charge; if the battery has sufficient charge but the starter motor shows no response during starting, check whether there are any suspicious fault codes in the starting system and troubleshoot according to the fault code prompts. 2. Check the fuel supply: Under the premise that the battery has sufficient charge and the starter motor rotates normally, check whether the fuel supply is normal, turn on the ignition switch to check if the fuel pump is working properly, and check if the fuel pressure is normal. 3. Check the intake and exhaust systems and the ignition system: If the intake is not smooth or there is air leakage, it will cause the mixture to be too rich or too lean, resulting in the engine failing to start.

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Can Vehicle Inspection Be Conducted Anywhere?

Vehicle inspection cannot be conducted anywhere. Regulations: For periodic vehicle inspection, you only need to go to the vehicle management office or the vehicle inspection stations or testing centers designated by the vehicle management office. The vehicle management office usually has a window at the inspection station, and after the vehicle passes the inspection, the stamp can be directly obtained at the window. Inspection Process: Pay for the initial inspection of the exterior and vehicle condition, fill out the exhaust emission test form. If qualified, check for any traffic violation records. If there are no issues, proceed to pay a deposit and receive and fill out the inspection form. Then, inspect the exterior, headlights, roof beams, engine, transmission, etc., to ensure they meet the standards. If all are qualified, the stamp and signature can be obtained, and you can wait for the review to be approved.

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What Are the Reasons for High Fuel Consumption in Diesel Vehicles?

There are three main reasons for increased fuel consumption in vehicles: personal factors, such as inadequate driving skills; the condition of the engine; and lack of maintenance during vehicle use. The reasons for increased fuel consumption in vehicles can be summarized as follows: Personal factors, such as inadequate driving skills: Improper gear shifting and excessive braking by the driver can artificially increase engine power loss. Frequent braking also leads to more frequent starts, and starting consumes a higher rate of fuel. The condition of the engine is directly related to fuel consumption: If the engine has issues, fuel consumption will significantly increase. High idle speed adjustment, partial short-circuiting of the high-voltage coil, burnt distributor contacts, or capacitor breakdown can weaken the high-voltage spark, reduce ignition capability, and leave some of the fuel mixture unburned, all of which increase fuel consumption. Lack of maintenance during vehicle use: Not using fuel additives regularly. Methods to reduce fuel consumption: Clean engine carbon deposits. Excessive carbon buildup in the engine is a major cause, primarily due to the use of unsuitable fuel. It is recommended to add a certain amount of cleaning agent when refueling. If the effect is not noticeable, it indicates significant carbon buildup in the engine. In such cases, the vehicle must be taken to a 4S shop for professional cleaning of the engine's carbon deposits by technicians. Check the oxygen sensor. As an internal control unit of the vehicle, the oxygen sensor monitors the air-fuel ratio in the engine. If it is damaged, the air-fuel ratio will become unbalanced, leading to a sudden increase in fuel consumption. A damaged oxygen sensor will cause the exhaust pipe to emit darker-colored exhaust gases, indicating the need for replacement. Regularly replace the three filters. During vehicle use, the oil filter, air filter, and fuel filter must be replaced periodically. If left unchanged for too long, they become dirty and clogged, sending incorrect signals to the engine control unit, resulting in incomplete fuel combustion and increased engine carbon buildup. Check the electronic control unit. Although the engine's electronic control unit is highly reliable, in older vehicles, various malfunctions are inevitable.

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Why Does the Engine Stall When It Lacks Engine Oil?

It is true that the engine will stall when it lacks engine oil. Reasons: Without engine oil, the pistons and bearing shells lose lubrication, causing rapid heating due to friction. When the heat reaches a certain level, the engine seizes, leading to stalling. Lack of engine oil and overheating are major concerns for the engine, severely affecting its lifespan. Function of Engine Oil: Engine oil serves as a lubricant. During engine operation, the crankshaft connects to the connecting rod via components commonly referred to as "bearings," and the crankshaft is also mounted on the engine block through bearings. Additionally, the piston rings and cylinder walls experience friction. Without engine oil lubrication, these parts undergo dry friction, increasing the friction coefficient and causing severe wear on engine components. Solution: The only option is to take the vehicle to a 4S shop for engine repair. Additionally, ensure regular oil changes, oil top-ups, and cleaning of internal engine piston deposits to maintain normal engine operation.

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Can a new car be licensed with scratches?

Is It Normal to Drive 600 km with 50 Liters of Fuel?

What is the content of Subject 4 exam?

What are the reasons for a 24V parking generator not starting?

Can Vehicle Inspection Be Conducted Anywhere?

What Are the Reasons for High Fuel Consumption in Diesel Vehicles?

Why Does the Engine Stall When It Lacks Engine Oil?

Do Cars Have More Problems After Major Overhauls?

Is One-Third of the Hood Ribbed?

Is Fast Battery Drain a Fuel Quality Issue?

Does having 9 points deducted from C1 license affect the process of upgrading to B2?