How to Walk Around the Car in the Driving Test (Subject 3)?

Are Engine Coolant and Antifreeze the Same Thing?

Engine coolant and antifreeze are not the same thing. Coolant is a liquid that can lower the temperature of the engine. It circulates in the engine cooling system, carrying away excess heat generated during engine operation, allowing the engine to operate at normal working temperatures and providing a cooling effect. Antifreeze, whose full name is antifreeze coolant, is a coolant with special additives that provide antifreeze properties. Antifreeze not only prevents freezing but also offers cooling, anti-corrosion, and anti-scaling effects. Antifreeze can prevent the coolant from freezing and expanding in cold winter conditions when the vehicle is parked, which could otherwise crack the radiator or damage the engine cylinder block or head. However, antifreeze is not only used in winter; it should be used throughout the year. In regular vehicle maintenance, the engine antifreeze should be replaced every year, with special vehicles requiring more frequent antifreeze replacement. On the other hand, coolant can only be used in summer. In winter, when temperatures are low, coolant lacks antifreeze properties and is prone to freezing.

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What brand is the icon?

icon is a model under the Geely brand. The Geely icon was launched on February 14, 2020. Here are some details about this car: Exterior: The Geely icon features a sleek front design with a continuous light strip connecting the headlights. The large LED headlights on both sides adopt a split design, and the front bumper has a smoked black finish. Rear: The rear of the Geely icon has a rounded shape with a floating roof design. The taillights have a strong three-dimensional effect, and the roof is equipped with a silver roof rack. Dimensions: The Geely icon measures 4350 mm in length, 1810 mm in width, and 1615 mm in height, with a wheelbase of 2640 mm.

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What are the symptoms of a damaged tire pressure sensor?

The symptoms of a damaged tire pressure sensor include the inability to detect tire pressure. Some vehicles may display a tire pressure sensor fault warning, while others may show no tire pressure information on the dashboard. There are three common methods of tire pressure monitoring: Direct Tire Pressure Monitoring: Direct tire pressure monitoring devices use pressure sensors installed in each tire to directly measure tire pressure. The pressure information is transmitted wirelessly from inside the tire to a central receiver module, which then displays the tire pressure data for each tire. The system automatically alerts when tire pressure is too low or when there is a leak. Indirect Tire Pressure Monitoring: When the pressure in a tire decreases, the weight of the vehicle causes the rolling radius of that tire to become smaller, resulting in a faster rotation speed compared to other wheels. By comparing the differences in rotation speeds between tires, the system monitors tire pressure. Indirect tire pressure alert systems essentially rely on calculating the rolling radius of the tires to monitor pressure. Introduction to Tire Pressure Monitoring System (TPMS): This system combines the advantages of both the direct and indirect systems. It is equipped with direct sensors in two diagonally opposite tires and includes a 4-wheel indirect system. Compared to using only a direct system, this hybrid system can reduce costs and overcome the limitation of indirect systems, which cannot detect when multiple tires simultaneously have low pressure. However, it still cannot provide real-time data on the actual pressure in all four tires, as a direct system can.

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Does the 2021 Tayron have a particulate filter?

The 2021 Tayron is equipped with a particulate filter in all models except the 380 variant. The 2021 Tayron comes in 9 variants, all of which, except the 380 model, include a particulate filter to comply with the China VI emission standards. A particulate filter is a ceramic filter installed in the diesel engine's emission system that captures particulate matter before it is released into the atmosphere. It can reduce soot emissions from diesel engines by over 90%, and the captured particulate matter is subsequently burned off during vehicle operation. How the particulate filter works: The diesel particulate filter is coated with metals such as platinum, rhodium, and palladium. The black smoke containing carbon particles emitted by the diesel engine enters the particulate filter through a dedicated pipe. Inside, a densely arranged bag-type filter captures the carbon particles on a metal fiber felt filter. Once the accumulated particles reach a certain level, an automatic burner at the end ignites, burning off the captured carbon particles and converting them into harmless carbon dioxide. To check whether the 2021 Tayron has a particulate filter, you can use the following three methods: 1. Refer to the Owner's Maintenance Manual and Owner's User Manual to see if the particulate filter function is mentioned. Additionally, check the fault codes in the manual for any indicators related to the "particulate filter" warning light. 2. Look for markings on the oil cap. If the oil cap specifies 0W-20 grade oil, it indicates the presence of a particulate filter. 3. Inspect the exhaust pipe behind the three-way catalytic converter for a cylindrical section. If present, it confirms the installation of a particulate filter.

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What is the reason for insufficient speed of the P1467 purge pump?

Purge pump failure may be caused by issues with the charcoal canister solenoid valve. Below is relevant information about purge pump failure: Impact of purge pump failure: Fuel vapor emissions are directly released into the atmosphere, causing air pollution. During normal engine operation, the engine may inhale pure air instead of fuel vapor, resulting in an overly lean air-fuel mixture. If the pump fails in a stuck or constantly open position, it can lead to excessive engine fuel consumption. Symptoms of failure: Difficulty starting the engine, and it is very prone to stalling. Frequent need for a second attempt to start, and the engine is very likely to stall again after starting. There may be unusual noises while driving the car. Specific symptoms include hearing a "clicking" sound sometimes when the engine is not idling. Increased fuel consumption, and a strong gasoline smell inside the car. The engine idle speed fluctuates irregularly, and there is a lack of power during acceleration. After the engine starts, the idle speed fluctuates rhythmically, and the vehicle lacks power during acceleration.

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Should I use M+ or M- when going uphill in M mode?

You should use M- when driving uphill. The M mode is the manual mode of an automatic transmission. When engaged in this mode, you can upshift at high speeds and downshift at low speeds. Other gear positions of an automatic transmission include P, R, N, D, etc. Here is some relevant information about automatic transmissions: Introduction: As the name suggests, an automatic transmission does not require the driver to manually shift gears. The vehicle will automatically select the appropriate gear based on driving speed and traffic conditions. Generally, there are six gear positions in an automatic transmission car, from top to bottom: P, R, N, D, S, L. Working principle: The engine's power is transmitted through the gearbox, which is also a key factor affecting fuel consumption. Generally, automatic transmissions consume over 10% more fuel than manual transmissions. Whether manual or automatic, the more gears a transmission has, the more fuel-efficient it is.

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How to Walk Around the Car in the Driving Test (Subject 3)?

Are Engine Coolant and Antifreeze the Same Thing?

What brand is the icon?

What are the symptoms of a damaged tire pressure sensor?

Does the 2021 Tayron have a particulate filter?

What is the reason for insufficient speed of the P1467 purge pump?

Should I use M+ or M- when going uphill in M mode?

Is a Three-Wheeled Motorcycle with a Steering Wheel Considered a Car?

What's the Difference Between Geely's Black Logo and Blue Logo?

Is it a violation to go straight in a left-turn lane when the straight signal is green?

What are the reasons for a car's lack of acceleration when the RPM increases but the speed doesn't?