Why Can't a Long-Term Parked Car Start?

Why doesn't the Volkswagen 380 come equipped with a particulate filter?

Because most of the 380 models under Volkswagen are equipped with the EA888-DKX engine. This engine meets the current PN11 standards and also complies with the China 6B emission standards in the current phase, so Volkswagen has not installed particulate filters for its 380 models. The role of the particulate filter: It can significantly reduce the emission of particulate matter and exhaust gases. However, the particulate filter also requires periodic removal of exhaust gases and particulate matter. The filter regenerates itself, and when its temperature reaches 55 degrees Celsius, the particulate matter inside will burn off on its own. Fuel additives can also be added to catalyze the combustion process. The impact of the particulate filter on the vehicle: If some models detect a clogged particulate filter, they will automatically reduce the engine's power output. Additionally, the increased exhaust resistance can lead to weaker vehicle performance, so timely action is required.

4

Share

What was the outcome of the Toyota brake scandal?

On March 19, 2014, the U.S. Department of Justice announced that the United States and Toyota Motor Corporation had reached a settlement agreement. Toyota Motor Corporation was required to pay a settlement to conclude a four-year criminal investigation conducted by the U.S. Attorney's Office. Below is an introduction to Toyota: 1. Toyota Motor Corporation: Toyota Motor Corporation is an automobile manufacturing company headquartered in Toyota City, Aichi Prefecture, Japan, and Bunkyo, Tokyo. It is part of the Japanese Mitsui zaibatsu. Since 2008, Toyota has gradually replaced General Motors as the world's largest automobile manufacturer. Its brands mainly include Lexus, Toyota, and other series of high, mid, and low-end models. 2. Logo: The three-ellipse logo of Toyota has been in use since the early 1990s. The large ellipse in the logo represents the Earth, while the two ellipses in the middle form a vertical 'T' shape, representing Toyota. It symbolizes Toyota's foundation in the future, its confidence and ambition, as well as its commitment to customers, indicating that the hearts of users and the automaker are connected with mutual trust. It also signifies Toyota's advanced technology and innovative potential.

16

4

Share

What are the symptoms of a car without a catalytic converter?

Shortly after the vehicle starts, the exhaust manifold emits a noticeable red combustion phenomenon towards the catalytic converter, and a hissing sound of air leakage and gurgling noise can be heard when accelerating. Below is an introduction to the catalytic converter: 1. Working principle: When high-temperature exhaust gases pass through the purification device, the purifying agent in the catalytic converter enhances the activity of CO, HC, and NOx gases, promoting certain oxidation-reduction chemical reactions. CO is oxidized into colorless, non-toxic carbon dioxide gas at high temperatures; HC compounds are oxidized into water (H2O) and carbon dioxide; NOx is reduced into nitrogen and oxygen. The three harmful gases are transformed into harmless gases, thereby purifying the vehicle's exhaust. 2. Electronic fuel injection system: The electronic fuel injection system in a car engine generally consists of three main parts: the fuel injection circuit, sensor group, and electronic control unit. If the injector is installed in the position of the original carburetor, meaning there is only one gasoline injection point for the entire engine, this is called single-point fuel injection. If injectors are installed on the intake pipe of each cylinder, meaning gasoline is injected into the cylinders from multiple locations (at least one injection point per cylinder), this is called multi-point fuel injection.

20

2

Share

Can I Use 95 Octane Gasoline When 92 Octane Is Unavailable?

Occasionally using 95 octane gasoline in a car designed for 92 octane fuel has no significant impact, as gasoline is a mixture and the composition of different octane ratings is quite similar. However, it is not recommended to use 95 octane gasoline for an extended period. The octane rating of 95 octane gasoline is higher than that of 92 octane gasoline. Prolonged mixing of different octane ratings can affect the lifespan of the car's ignition system, fuel injectors, and spark plugs, leading to earlier major maintenance. In severe cases, it may even damage the engine. The octane rating is an indicator of anti-knock performance and is largely unrelated to cleanliness, power, or combustion value. Higher octane gasoline offers stronger resistance to engine knocking. The difference between 92 and 95 octane gasoline is that 95 octane is more resistant to knocking. It is advisable to avoid mixing different octane ratings whenever possible. Short-term mixing will not cause significant harm to the car, but the long-term effects should not be overlooked. Extended mixing of different octane ratings can impact the lifespan of the car's ignition system, fuel injectors, and spark plugs, leading to earlier major maintenance. The differences between 92 octane and 95 octane gasoline are as follows: Different Octane Ratings: 92 octane gasoline: Contains 92% isooctane and 8% n-heptane. 95 octane gasoline: Contains 95% isooctane and 3% n-heptane. Variation in Gasoline Quality: The octane rating represents the fuel's resistance to knocking. Higher octane ratings indicate higher resistance to knocking, which results in smoother engine operation, reduced wear and tear, and better engine protection. Different octane ratings lead to varying anti-knock performances. Gasoline is a mixture produced by blending the same base gasoline with specific anti-knock additives to create fuels with different anti-knock properties. Various gasoline components, such as straight-run gasoline, catalytic cracking gasoline, and catalytic reforming gasoline obtained from petroleum refining, are refined and blended with high-octane components, primarily used as fuel for spark-ignition internal combustion engines. The chemical compositions of these two gasoline types are quite similar, but 95 octane gasoline offers higher fuel efficiency and provides more power to the car. Generally, naturally aspirated cars use 92 octane gasoline, while turbocharged cars use 95 octane gasoline.

19

2

Share

What are the function buttons on an Audi steering wheel?

Here is the relevant introduction about the function buttons on an Audi steering wheel: 1. Left-side buttons: These can control the instrument cluster screen. They include page switching buttons, selection buttons, and instrument view switching interfaces, among others. 2. Right-side buttons: These can control multimedia and Bluetooth calls. They include Bluetooth call buttons, customizable function buttons, track switching buttons, voice control buttons, volume buttons, and other related settings. 3. Cruise control switch: Cruise control can only be activated above 30km/h. Turning on cruise control does not mean the car will automatically start driving at a fixed speed; you also need to press the SET button on the left side of the lever to set the speed. The SPEED button is for speed adjustment, with an upward press increasing speed and a downward press decreasing speed. The LIM button is for setting a speed limit to prevent the driver from exceeding the set speed when manually pressing the accelerator; once the speed limit is set, the car will not exceed it.

4

2

Share

What kind of glue should be used to seal a leaking car sunroof?

It is not recommended to use glue for a leaking car sunroof. Instead, you can use silicone sealant or visit a 4S shop for professional assistance. Below is more relevant information: 1. Causes of leakage: (1) Sunroof: The reasons for sunroof leakage include issues with the sunroof drainage outlet, commonly caused by blockages from dust, branches, or leaves, which prevent proper drainage and lead to water seepage. Another common issue is aging rubber seals. (2) Trunk: Water may enter the trunk through the tail light area due to aging trunk seals, which can be resolved by replacing the seals. 2. Methods to handle water ingress in the cabin: (1) Remove all floor mats and dry them thoroughly. (2) Ensure proper ventilation inside the cabin. (3) Visit a 4S shop to have the wiring system rechecked.

20

2

Share

Why Can't a Long-Term Parked Car Start?

Why doesn't the Volkswagen 380 come equipped with a particulate filter?

What was the outcome of the Toyota brake scandal?

What are the symptoms of a car without a catalytic converter?

Can I Use 95 Octane Gasoline When 92 Octane Is Unavailable?

What are the function buttons on an Audi steering wheel?

What kind of glue should be used to seal a leaking car sunroof?

What is the name of Toyota's voice assistant?

What is a regular driver's license?

How Long Does It Take to Get the Car Lottery Results?

Why did ZEEKR separate from Lynk & Co?