What Brand of Car Has a Five-Pointed Star Logo?

Can a 15-year-old vehicle still be exempt from inspection in 2021?

A 15-year-old vehicle needs to undergo on-site inspection after the validity period of the annual inspection expires in 2021. Below is the relevant information: Inspection exemption policy: New vehicles within 6 years can be exempt from inspection twice. At the 6th and 8th year, the vehicle must undergo on-site inspection. For private vehicles over 10 years old, the original inspection cycle still applies, meaning vehicles aged 10 to 15 years must be inspected once a year, and vehicles over 15 years old must be inspected every six months. Relevant laws: Article 15 of the "Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China" states that motor vehicle safety technical inspections shall be conducted by motor vehicle safety technical inspection institutions. Motor vehicle safety technical inspection institutions shall inspect motor vehicles in accordance with national motor vehicle safety technical inspection standards and bear legal responsibility for the inspection results.

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Is Washing the Catalytic Converter Effective?

Washing the catalytic converter is effective. Here are the relevant details: Advantages: Washing the catalytic converter is the most effective and thorough cleaning method. Disadvantages: Since it requires complete removal of the catalytic converter, which is time-consuming and labor-intensive, many 4S shops and repair shops do not offer washing (removal cleaning) services. Additive Cleaning: Additive cleaning is similar to using fuel additives; it can be directly added to the fuel tank. Drip Cleaning: This method involves connecting a hose to the engine's vacuum tube and using the negative pressure in the tube to draw the cleaning agent from the drip bottle into the engine. The cleaning agent then cleans the catalytic converter as it passes through the exhaust pipe.

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Will the Car Stall When Driving Below 10 km/h in Second Gear?

Driving below 10 km/h in second gear will not cause the car to stall. The methods to determine the correct gear shifting timing are as follows: Upshifting Timing: When the engine has sufficient power, it will emit a dull sound. After upshifting, if there is no lack of power or shaking of the transmission mechanism, and the vehicle speed increases quickly with smooth and natural driving, it indicates the upshifting timing is accurate. Downshifting Timing: When the vehicle speed and engine RPM continue to drop, and you feel the car is losing power with the engine compartment starting to shake, it's time to downshift one gear. If downshifting is done too early, it will cause noticeable jerking, which wastes engine power, increases fuel consumption, and negatively impacts the lifespan of both the engine and transmission.

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How to Determine if the Car is in the Center of the Road?

Methods to determine if the car is in the center of the road: Using the driver as a reference point, the position of the left leg corresponds to the trajectory of the left front wheel, while the position aligned with the right leg (or right face) indicates the centerline of the car's body. Therefore, ensuring that the right leg (or right face) frequently aligns with the centerline of the road while driving will keep the car centered in the lane. Other important driving tips: You can first observe the situation of the car in front, but it is essential to carefully check the vehicles behind in the intended lane to ensure a safe distance after merging. Merging should be decisive, and under controllable conditions, applying more throttle can help. For manual transmission cars, downshifting can be used for overtaking. While driving slowly is generally advisable, maintaining excessively low speeds on highways or in smooth traffic conditions can also cause issues.

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Compression Ratio 10.5:1 - Should I Use 92 or 95 Octane?

Compression ratio 10.5:1 requires 95 octane fuel. 95 octane gasoline is more suitable for vehicles with high compression ratios. Below are specific details about fuel standards: 1. 90 octane gasoline is suitable for gasoline vehicles with engine compression ratios below 8.5; 92 octane gasoline is suitable for gasoline vehicles with engine compression ratios between 8.6~9.9. 2. 95 octane gasoline is suitable for gasoline vehicles with engine compression ratios between 10.0~11.5; 98 octane gasoline is suitable for gasoline vehicles with engine compression ratios above 11.6. Additional information: Compression ratio refers to the degree of compression of the engine's air-fuel mixture, expressed as the ratio of the total cylinder volume before compression to the cylinder volume after compression (i.e., combustion chamber volume). Higher octane fuel has better anti-knock properties and is less prone to detonation, but burns relatively slower. Lower octane fuel burns faster but lacks sufficient anti-knock capability, making it more likely to cause detonation.

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What Are the Symptoms of a Faulty Car Half-Shaft?

Car half-shaft fault symptoms: 1. There may be sounds of metal friction or metal clashing; 2. There may be abnormal noises when turning the steering wheel fully to the left or right; 3. The car may experience severe vibrations during high-speed driving; 4. High-speed driving may lead to wheel detachment. The half-shaft, also known as the drive axle, is a solid shaft that transmits torque between the differential and the drive wheels. Its inner end is connected to the half-shaft gear via splines, while the outer end connects to the wheel hub. Modern cars commonly use two types of half-shafts based on their support types: full-floating and semi-floating. The full-floating half-shaft only transmits torque and does not bear any reaction forces or bending moments, making it widely used in various vehicles. The semi-floating half-shaft transmits torque while also bearing all reaction forces and bending moments, featuring a simple support structure and being widely used in passenger cars with relatively small reaction bending moments.

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What Brand of Car Has a Five-Pointed Star Logo?

Can a 15-year-old vehicle still be exempt from inspection in 2021?

Is Washing the Catalytic Converter Effective?

Will the Car Stall When Driving Below 10 km/h in Second Gear?

How to Determine if the Car is in the Center of the Road?

Compression Ratio 10.5:1 - Should I Use 92 or 95 Octane?

What Are the Symptoms of a Faulty Car Half-Shaft?

How to Restore Automatic Transmission to Factory Settings?

What is the difference between Volvo B4 and B5?

How to Replace the Only Car Key If Lost?

What Causes an Audi Car to Shake?