How to Reset the Maintenance Light on Kaiyi Xuanjie?

How Does an Automotive Air Filter Work?

An air filter is a device that removes particulate impurities from the air inside a vehicle. Its main components are the filter element and the housing. The working principle relies on the filtering medium as the primary means of filtration. When air passes through the filter-type air cleaner, the filter paper blocks impurities in the air and adheres them to the filter element, thereby achieving the air filtration effect. Air filters generally come in two types: paper and oil-bath, with the following differences: 1. Paper filters have high filtration efficiency, reaching over 99.5%; 2. Oil-bath filters typically have a filtration efficiency of 95-96%. The first type is widely used in vehicles today and is further divided into dry and wet types. For dry filter elements, once they come into contact with oil or moisture, the filtration resistance increases sharply. Therefore, avoid exposing them to water or oil during cleaning; otherwise, they must be replaced with new ones.

19

2

Share

What are the symptoms when the EPC light comes on in a Volkswagen?

The illumination of the warning light indicates a potential malfunction within the electronic throttle control system. Here is relevant information about the EPC light: 1. Meaning of EPC: EPC stands for Electronic Power Control, which refers to engine power electronic regulation (electronic throttle), commonly found in Volkswagen series vehicles. 2. Solutions for EPC light illumination: (1) Troubleshoot intake system faults, use compliant fuel, and clean the throttle body. (2) Remove carbon deposits from relevant components. (3) Rewrite ECU-related data.

17

1

Share

What is the difference between electronic fuel injection and direct injection?

The differences between electronic fuel injection and direct injection are as follows: 1. Fuel injection method: Electronic fuel injection can be divided into ordinary electronic fuel injection, single-point fuel injection, and multi-point fuel injection. The forms of fuel injection are similar, but the control precision varies. In contrast, direct injection delivers fuel directly into the cylinder, where it mixes with the air inside. In other words, direct injection is another form of electronic fuel injection. 2. Advantages of each: Multi-point fuel injection engines have a relatively simple structure, more mature technology, and lower requirements for electronic fuel injectors, making them relatively cheaper. Additionally, maintenance and repair costs are comparatively lower. The main advantage of direct injection is that fuel is injected directly into the combustion chamber at extremely high pressure, allowing the computer to more accurately control air intake and fuel injection timing, resulting in better fuel efficiency. 3. Disadvantages of each: Multi-point fuel injection engines are more prone to carbon buildup in the intake tract. Due to their different construction, they can effectively clean the intake valves, cylinders, fuel injectors, intake manifolds, etc., leading to fewer carbon deposit issues compared to direct injection. Direct injection engines lack significant amounts of gasoline in the intake manifold to clean carbon deposits, which can accumulate over time and obstruct airflow. This can lead to increased fuel consumption and reduced engine performance.

1

5

Share

What is the reason for the reversing camera not working on the Trumpchi GS4?

One possible reason is that the control wire of the display screen and the power cable or video cable of the camera may have come loose. Another possibility is that the camera itself may be damaged. Here is some relevant information about the Trumpchi GS4: 1. Interior: In terms of interior design, the center console is inspired by X-shaped elements and features dual 12.3-inch high-definition large screens. The diamond cockpit concept, combined with racing-style seats and more premium materials, gives the interior a more distinctive look. At the same time, the second-generation Trumpchi GS4 creates a "Five-Sense Comfort Cockpit" from five aspects: vision, hearing, smell, touch, and experience, providing consumers with a truly comfortable and enjoyable driving experience. 2. Exterior: In terms of exterior design, the latest "Lingyun Wing 3.0" design language is adopted. This enhances the visual impact of the Trumpchi family signature—the Lingyun Wing front grille. The integration of the front grille with the headlights makes the new car look more imposing and distinctive.

2

5

Share

What Causes a Gasoline Smell Inside the Car?

The reasons for a gasoline smell inside the car are as follows: 1. Fuel vapor return pipe: The carbon canister fuel vapor return pipe in the engine compartment is cracked. 2. Fuel supply line: There is a leak in the fuel supply line. This condition usually occurs in older vehicles aged 3-5 years or more. 3. Rubber hose: The rubber hose from the fuel filler neck to the fuel tank in the trunk may have aged or the connector clamp may have loosened. Replacing the hose or tightening the clamp should resolve the issue. 4. Carburetor: The float chamber in the carburetor cannot stop the inflow of gasoline when full. Please take the vehicle to a workshop to clean the carburetor. Another possibility is that the fuel filter cup is overflowing due to excessive dirt, in which case the filter element needs to be replaced.

5

4

Share

Can a China 5 vehicle continue to drive after running out of urea?

A China 5 vehicle cannot be driven after running out of urea. The function of urea solution is to chemically react with nitrogen oxides in vehicle exhaust to produce non-toxic nitrogen and water, thereby reducing the emission of toxic gases in vehicle exhaust and minimizing pollution. The SCR solution has significant advantages in the China IV diesel vehicle exhaust emission treatment system, and vehicle urea is an essential additive for the SCR solution. Precautions: 1. Regularly check the urea level in the urea tank and replenish urea solution in time. The consumption of vehicle urea solution is 4%-6% of diesel consumption. Estimate the amount of urea solution needed based on the trip and carry sufficient barrel urea solution if necessary. 2. When refilling vehicle urea solution, use a dedicated urea solution filling pipe to prevent impurities from mixing in. 3. Vehicle urea solution is alkaline and slightly corrosive. Avoid contact with metals (except stainless steel), as these materials react with trace amounts of ammonia in the urea solution to form compounds that affect SCR operation.

2

0

Share

How to Reset the Maintenance Light on Kaiyi Xuanjie?

How Does an Automotive Air Filter Work?

What are the symptoms when the EPC light comes on in a Volkswagen?

What is the difference between electronic fuel injection and direct injection?

What is the reason for the reversing camera not working on the Trumpchi GS4?

What Causes a Gasoline Smell Inside the Car?

Can a China 5 vehicle continue to drive after running out of urea?

What to Do When a Car Rolls Backward on a Slope?

How to Shift from D to S Gear While Driving?

What is the difference between Haval M6 and H6?

What is the Function of Automotive Coating?