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What causes the car to start with a sputtering sound?

If a car starts with a sputtering sound, it could be due to a fuel pump issue, which would require replacing the fuel pump. It might also be a problem with the spark plugs, as faulty spark plugs can make the car difficult to start. Another possibility is an issue with the fuel injectors. Additionally, a malfunctioning throttle body can also cause difficulty in starting and produce a sputtering noise. Here are some extended details: 1. Fuel pump issue: You can diagnose this by listening for the fuel pump's operation after turning on the ignition. If you hear the fuel pump running, it's likely not the problem. If there's no sound, the fuel pump may be faulty and needs replacement. 2. Spark plug issue: Problems such as excessive spark plug gap, reaching the end of the service life, or carbon buildup can also make the car hard to start and produce a sputtering noise. The spark plugs should be replaced promptly. 3. Fuel injector issue: If the fuel injectors are clogged, leading to poor atomization or carbon buildup, it can be related. You can try cleaning the fuel injectors first. If that doesn't work, they may need to be replaced. 4. Throttle body issue: A faulty throttle body can also cause difficulty in starting and a sputtering noise. Cleaning the throttle body is a possible solution. Generally, it should be cleaned and maintained after reaching a certain mileage.

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What is the difference between SN and SL engine oil?

SN-grade engine oil has a higher classification than SL. The API classification represents the quality grade of engine oil. It uses a simple code to describe the working capability of engine oil. Engine oil grades are divided into SA, SB, SC, SD, SE, SF, SG, SH, SJ, SL, SM, and SN levels. The later the letter in the alphabet, the higher the grade, with SN being the highest-grade engine oil currently available. Below is a related introduction: 1. Introduction to engine oil: Engine oil, also known as engine lubricant, has a density of approximately 0.91×10³ (kg/m³). It serves to lubricate and reduce friction, assist in cooling, seal and prevent leaks, prevent rust and corrosion, and act as a shock absorber for the engine. It is hailed as the 'blood' of automobiles. 2. Composition of engine oil: Engine oil consists of two parts: base oil and additives. The base oil is the main component of lubricating oil, determining its basic properties, while additives can compensate for and improve the shortcomings of the base oil's performance, granting it new properties. Additives are an important component of lubricating oil.

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How many years does it take to upgrade from a C1 driver's license to a B2?

You can take the test after holding a C1 driver's license for one year. If you pass the test, the vehicle management office will issue a new-level driver's license within 7 working days. The following are the conditions for upgrading from C1 to B2: To add a new permitted vehicle type to an existing motor vehicle driver's license, you must have held the license for at least one year. Additionally, there should be no record of accumulating 12 penalty points from the current scoring cycle to the most recent scoring cycle before applying for the new permitted vehicle type. Only then will the vehicle management office approve the application for the new permitted vehicle type. The B2 driver's license test consists of four subjects: Subject 1 covers road traffic laws and regulations related to driving motor vehicles, including road usage, traffic violations, traffic signals, and accident handling. Subject 2 includes operations such as pole tests for large buses, city buses, and tractors, side parking, hill starts, and driving over single-lane bridges. Subject 3 involves preparation for test driving large buses, city buses, tractors, and medium-sized buses, as well as operations like starting, driving straight, changing lanes, and shifting gears. Subject 4 focuses on safe and civilized driving requirements, knowledge of safe driving in extreme weather and complex road conditions, and handling procedures in case of accidents. C1 is a code for a permitted vehicle type under the driver's license. According to the "Regulations on the Application and Use of Motor Vehicle Driver's Licenses" (Ministry of Public Security Order No. 123), C1 permits driving small and micro passenger vehicles, light and micro cargo vehicles, as well as light and micro special-purpose vehicles. It also allows driving vehicle types permitted under C2, C3, and C4. The vehicle types permitted under a B2 license include heavy and medium-duty cargo trucks or large, heavy, and medium-sized special-purpose vehicles. Heavy and medium-duty cargo trucks are mainly trucks, such as the large dump trucks commonly seen on roads, which fall under the category of heavy trucks. Large, heavy, and medium-sized special-purpose vehicles refer to vehicles equipped with specialized equipment or tools, such as water sprinklers, concrete mixers, and fire trucks. Article 14 of the "Regulations on the Application and Use of Motor Vehicle Driver's Licenses" states that first-time applicants for a motor vehicle driver's license can apply for permits for city buses, large trucks, small cars, small automatic transmission cars, low-speed cargo vehicles, three-wheeled cars, small automatic transmission passenger vehicles for the disabled, ordinary three-wheeled motorcycles, ordinary two-wheeled motorcycles, light motorcycles, wheeled self-propelled machinery, trolleybuses, and trams. For those who already hold a motor vehicle driver's license and wish to add permitted vehicle types, the additional types can include large buses, tractors, city buses, medium-sized buses, large trucks, small cars, small automatic transmission cars, low-speed cargo vehicles, three-wheeled cars, ordinary three-wheeled motorcycles, ordinary two-wheeled motorcycles, light motorcycles, wheeled self-propelled machinery, trolleybuses, and trams. Article 15 specifies that applicants who already hold a motor vehicle driver's license and wish to add permitted vehicle types must not have accumulated 12 penalty points in the current scoring cycle and the most recent scoring cycle before applying. This applies to applications for adding medium-sized buses, tractors, and large buses as permitted vehicle types.

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What are the reasons for the loud engine noise in the Tiguan?

The reasons for the loud engine noise in the Tiguan are: 1. Poor spark plug performance; 2. Vacuum tube leakage; 3. High-voltage wire leakage; 4. PCV valve blockage; 5. Throttle position sensor malfunction; 6. Idle stepper motor failure; 7. Idle control valve malfunction; 8. Abnormal throttle opening; 9. Intake system leakage. Taking the 2017 Volkswagen Tiguan as an example, it belongs to the compact SUV category, with body dimensions of: length 4506mm, width 1809mm, height 1685mm, wheelbase of 2684mm, fuel tank capacity of 63L, and curb weight of 1545kg.

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What Causes a Car Battery to Suddenly Lose Power After Sitting Overnight?

The reasons why a car battery suddenly loses power after sitting overnight are: 1. The vehicle's battery is nearing the end of its lifespan and can no longer meet normal usage requirements; 2. Some power-consuming devices were left running after parking, leading to battery drain that prevents the vehicle from starting; 3. Loose negative terminal connection. Methods for maintaining the battery include: 1. Charge the battery promptly when the ammeter indicates low power; 2. Adjust the electrolyte density according to regional and seasonal standards; 3. Add distilled water or specialized replenishing fluid when electrolyte levels are low; 4. Keep each engine start attempt under 5 seconds; 5. Start the car periodically if the battery will be unused for extended periods; 6. Regularly check that the battery vent holes are clear; 7. Inspect the battery terminals for oxidation; 8. Examine all electrical circuits for signs of aging or short circuits.

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What is the reason for the abnormal noise when the GLC steering wheel is turned to the limit while moving forward?

The reasons for the abnormal noise when the GLC steering wheel is turned to the limit while moving forward are: 1. Friction between the steering column and the floor mat; 2. Faulty clock spring inside the steering wheel; 3. Aging or excessive play in the steering tie rod ball joint; 4. Leaking dust cover of the steering gear; 5. Steering gear failure; 6. Lack of lubrication in the shock absorber's thrust bearing. Both the GLC 260L Sport and Luxury models are equipped with a 2.0T turbocharged engine, delivering a maximum horsepower of 197 PS, a maximum torque of 320 Nm, and a maximum power of 145 kW. The body dimensions of the GLC 260L Sport and Luxury models are: length 4764 mm, width 1898 mm, height 1642 mm, with a wheelbase of 2973 mm.

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Is JETOUR a Domestic or Joint Venture Car Brand?

What causes the car to start with a sputtering sound?

What is the difference between SN and SL engine oil?

How many years does it take to upgrade from a C1 driver's license to a B2?

What are the reasons for the loud engine noise in the Tiguan?

What Causes a Car Battery to Suddenly Lose Power After Sitting Overnight?

What is the reason for the abnormal noise when the GLC steering wheel is turned to the limit while moving forward?

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