How to Solve the Problem of Exceeding Emission Limits Due to Aging Oxygen Storage Capacity of the Three-Way Catalytic Converter?

Why does the car sometimes fail to start?

Reasons why a vehicle may fail to start: 1. Dead battery: This could be due to prolonged use of headlights without turning them off, leading to battery drain; 2. Expired battery life: The battery's lifespan has ended, often exacerbated by additional installations like xenon headlights, high-power audio systems, or DVD players; 3. Incorrect gear position: For automatic transmission vehicles, the gear must be in P (Park) or N (Neutral) to start; 4. Not depressing the clutch: Manual transmission vehicles require the clutch to be depressed to start; 5. Carbon buildup: Excessive carbon deposits in the vehicle can prevent it from starting. Always be mindful of electrical usage in the car, such as external car computers or displays, and remember to unplug these devices when exiting the vehicle. Also, ensure all lights are turned off. Additionally, pay close attention to the warning lights on the dashboard. If the battery warning light stays on while driving, visit a repair shop or 4S store as soon as possible to address the issue.

6

3

Share

Can You Make a U-Turn at a Left-Turn Lane Marking?

Some left-turn lanes allow U-turns while others do not, primarily depending on the signage at the intersection. Below are the specific scenarios where U-turns are permitted and prohibited. I. Permitted U-turn situations: 1. Left-turn guide lanes and U-turn methods without left-turn guide lanes. The key factor is whether the left-turn stop line has a dashed line separating it from the crosswalk. If so, an early left turn is allowed. However, whether a left turn is permitted during a red light depends on the presence of barriers or green islands, which will be discussed later. 2. U-turns are allowed in grid areas without median barriers. II. Prohibited U-turn situations: 1. Intersections with "No Left Turn" signs prohibit both left turns and U-turns. 2. Crosswalks inherently function as a prohibition sign for anything other than pedestrians, making U-turns strictly forbidden within crosswalk areas.

16

2

Share

What is the explanation for the arrow direction on the cabin air filter?

Most cabin air filters available on the market have arrow indicators on their sides. The most common indicators use "air-flow" with an arrow, while another type uses "UP" with an arrow. Here are the relevant explanations about the arrow indicators on cabin air filters: 1. Direction indication: The arrow with "air-flow" should point downward, while the arrow with "UP" should point upward. 2. Meaning of the indicators: "air-flow" with an arrow represents the direction of airflow, whereas "UP" with an arrow indicates the upward installation direction. In fact, these two types of cabin air filters have opposite installation directions.

19

3

Share

What is the fuel tank capacity of the 2021 Sagitar?

The fuel tank capacity of the 2021 Sagitar is 50 liters. This data is announced by the car manufacturer, and owners of the 2021 Sagitar can also check it on the vehicle's configuration sheet. It is recommended to refuel when the fuel level is between 10%-30%. The fuel pump relies on the gasoline in the tank for cooling, and prolonged low fuel levels may cause the fuel pump to overheat. Additionally, low fuel levels can easily draw in impurities from the oil pan, leading to clogged fuel lines. The 2021 Sagitar 200TSI Manual Fashion Smart Connect Edition has a displacement of 1.2(L), uses 95-octane fuel, and has a fuel consumption of 5.5(L/100km). A full tank can cover a distance of 909km. The 2021 Sagitar 280TSI-DSG-30th Anniversary Edition has a displacement of 1.4(L), uses 95-octane fuel, and has a fuel consumption of 5.6(L/100km). A full tank can cover a distance of 892km. The actual capacity of the fuel tank is greater than the nominal capacity. According to fuel safety regulations, national standards stipulate that the rated capacity of a car's fuel tank is 95% of its nominal capacity. Therefore, when refueling, the fuel quantity can exceed the rated capacity by 10%. During daily driving, it is essential to monitor the remaining fuel level in the tank. This is usually observed through the fuel gauge inside the car. If there are no other issues, the fuel level will be accurately reflected on the gauge. The fuel gauge typically has 5 to 6 segments, and it is advisable to refuel when only 2 segments remain to avoid running out of fuel midway. During actual refueling, the fuel quantity may exceed the marked capacity. This is because the capacity marked by the car manufacturer is from the bottom of the tank to the safety limit, and there is additional space from the safety limit to the tank opening. This space ensures that the fuel can expand with rising temperatures without overflowing. If the fuel is filled up to the tank opening during refueling, the actual fuel quantity may exceed the marked capacity. Other factors affecting fuel consumption include: Vehicle weight: There is a direct correlation between vehicle weight and fuel consumption. A 10% reduction in weight can lead to a corresponding reduction in fuel consumption. Car design: A lower drag coefficient results in significantly lower fuel consumption. Conversely, a higher drag coefficient increases fuel consumption proportionally. Low tire pressure increases friction and adhesion, leading to higher fuel consumption. Driving habits: Rapid acceleration and frequent braking can significantly increase fuel consumption. Wind direction: Driving with a tailwind reduces fuel consumption, while driving against the wind increases engine workload and fuel consumption. Road conditions: Driving on flat roads consumes less fuel compared to uneven or steep roads. Use of additional electronic devices: Using extra equipment like air conditioning while driving increases fuel consumption.

5

1

Share

What is the function of magnetic poles?

Like poles repel each other, while unlike poles attract each other. The following is an explanation about magnetic poles: 1. Introduction to Magnetic Poles: The parts of a magnet with the strongest magnetic properties are called magnetic poles. A magnetic field exists around a magnet, and the interaction between magnets is mediated by this magnetic field. No matter how small a magnet is, it always has two poles. When a magnet is free to rotate in a horizontal plane, it will come to rest with one pole pointing south and the other pointing north. The pole pointing south is called the South Pole (S pole), and the pole pointing north is called the North Pole (N pole). 2. Magnetic Phenomena: Unlike poles of different magnets attract each other, while like poles repel each other. The magnetic poles of any magnet always appear in pairs. Breaking a magnet into two pieces does not separate its North Pole from its South Pole; instead, each half of the magnet has its own North Pole and South Pole. This is a fundamental characteristic of magnetic phenomena.

18

0

Share

How many more years can National V emission standard vehicles be driven?

At least in the short term, there will be no traffic restrictions on National V vehicles, given the substantial number of National IV and V vehicles currently on the road. Implementing restrictions would cause significant economic losses for many car owners, a situation no one wants to see, especially considering the large user base of National IV and V vehicles. Perhaps in three to five years, traffic restrictions may be imposed on National IV and V vehicles, but this would likely only occur in some major cities. Below is some relevant information: 1. Emission Standards: As global environmental pollution becomes increasingly severe, countries worldwide are introducing stricter emission standards, which greatly benefit the protection of the Earth's environment. 2. Exhaust Treatment: Under stringent emission standards, automakers are actively developing new technologies to reduce engine exhaust emissions.

9

4

Share

How to Solve the Problem of Exceeding Emission Limits Due to Aging Oxygen Storage Capacity of the Three-Way Catalytic Converter?

Why does the car sometimes fail to start?

Can You Make a U-Turn at a Left-Turn Lane Marking?

What is the explanation for the arrow direction on the cabin air filter?

What is the fuel tank capacity of the 2021 Sagitar?

What is the function of magnetic poles?

How many more years can National V emission standard vehicles be driven?

What Causes the Motorcycle Oil Light to Illuminate?

What types of vehicles can a G1 driver's license drive?

Can You Make a U-Turn After Entering the Highway Toll Station?

How Long Can You Drive When the Urea Light Comes On?