How to Conduct a Late Vehicle Inspection?

What is the tire pressure for a car?

The tire pressure of a car is generally between 2.3-2.8 BAR, and as long as it is within this range, it is considered safe. Hazards of abnormal tire pressure: When the tire pressure is too low, tire wear accelerates, increasing the risk of a blowout and raising fuel consumption. When the tire pressure is too high, tire grip decreases and wear accelerates, while braking performance weakens. If the tire pressure is unbalanced across all four tires, the car may pull to one side, and the lifespan of the underinflated tires will be reduced more quickly. Precautions for measuring tire pressure: The tire pressure of cold tires and hot tires differs, so special attention is needed during measurement. Generally, hot tires have a pressure about 0.2 bar higher than cold tires. The standard tire pressure usually refers to the cold tire pressure. If measuring hot tire pressure, subtracting 0.2 bar gives the corresponding cold tire pressure value. Adjust tire pressure according to the season: Tire pressure should be adjusted appropriately based on the season. Due to the significant temperature difference between winter and summer, gases expand with heat and contract with cold. Winter tire pressure should be slightly higher than in summer. Generally, in winter, adjust the tire pressure 0.2 bar higher than the standard tire pressure. In summer, adjust to the lower limit of the standard tire pressure to prevent blowouts due to high temperatures.

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What does a white license plate represent?

A white license plate represents special vehicle license plates, such as military vehicles, police vehicles, and racing cars. The types of license plates include: 1. Blue represents ordinary small vehicles with fewer than 7 seats; 2. Yellow represents ordinary large vehicles; 3. Black represents foreign enterprise license plates. The functions of license plates are: 1. To number and register information for each vehicle; 2. To identify the region to which the vehicle belongs; 3. To trace the owner and registration information of the vehicle based on the license plate. The installation method for license plates is: 1. Take out the screws of the license plate and rotate them into the anti-theft caps; 2. Position the license plate correctly, align the screws with the gaps on the bumper, and secure them with tools; 3. Cover the anti-theft caps and press them into place.

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Where are the engine and transmission of the Hongqi H9 produced?

The engine and transmission of the Hongqi H9 are produced in China. The engine is manufactured by the Beijing Hyundai Engine Plant, and the transmission is produced by Mobis, a Korean-funded company in Beijing. Taking the 2020 Hongqi H9 as an example, it belongs to the mid-to-large car category, with body dimensions of 5137mm in length, 1904mm in width, and 1493mm in height, a wheelbase of 3060mm, a fuel tank capacity of 62 liters, and a curb weight of 1875kg. The 2020 Hongqi H9 features a double-wishbone independent front suspension and a trapezoidal control arm multi-link independent rear suspension. It is equipped with a 2.0T turbocharged engine, delivering a maximum horsepower of 252PS, a maximum power of 185kW, and a maximum torque of 380Nm, paired with a 7-speed dual-clutch transmission.

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What Causes High Idle Speed in Cars?

The reasons for high idle speed in cars are: 1. The idle switch does not close; 2. Malfunction of the idle control valve; 3. Air leakage in the intake pipe; 4. Incorrect valve timing; 5. Fuel injector dripping or clogging; 6. Blockage in the exhaust system; 7. The EGR valve opens during idle conditions. The solutions for high idle speed in cars are: 1. Check the throttle opening; 2. Check the engine load signal; 3. Check the vacuum level in the intake manifold; 4. Reset the engine control unit; 5. Check whether the throttle is fully closed during idle and if the throttle cable is stuck; 6. Readjust the idle program; 7. Check for air leaks at the intake system pipe joints and vacuum hoses; 8. Perform fault self-diagnosis; 9. Check the coolant temperature sensor; 10. Check the crankcase forced ventilation valve.

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What maintenance items does a car need at 15,000 kilometers?

The maintenance items required for a car at 15,000 kilometers are: 1. Replacement of engine oil and oil filter; 2. Check whether the oil filter element, air filter element, gasoline filter element, air conditioning filter element, and transmission oil filter element need to be replaced; 3. Top up windshield washer fluid, antifreeze, and air conditioning refrigerant if insufficient; 4. Check the drive belt for wear; 5. Clean the throttle valve and carbon deposits in the cylinders; 6. Inspect the chassis for damage; 7. Check the body and tires. The benefits of car maintenance include: 1. Ensuring the vehicle is in excellent performance condition; 2. Improving vehicle efficiency and reducing wear on parts and tires; 3. Enhancing driving safety; 4. Preventing potential hazards caused by vehicle issues; 5. Reducing noise and environmental pollution; 6. Keeping the vehicle's appearance clean and preventing damage.

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What is the normal tire pressure for the Highlander?

The normal tire pressure range for the Highlander is 2.4-2.5bar. Due to seasonal factors, the tire pressure can be appropriately increased by 0.2bar in winter and decreased by 0.1bar in summer. This data is based on the international GBT2978-2008 standard requirements. Some Highlander models are equipped with a tire pressure display function. There is a menu selection on the steering wheel; press to the instantaneous fuel consumption, then press the directional key down to display the tire pressure. The tire pressure monitoring system is a type of active safety device that can alert the driver in time when there are dangerous signs in the tires, prompting the driver to take corresponding measures to avoid serious accidents. Generally speaking, a tire pressure exceeding 2.8bar is too high, and a tire pressure below 2.0bar is too low. Hazards of excessive tire pressure: The friction and adhesion of the tires will decrease, affecting braking performance; it can cause steering wheel vibration and deviation, reducing driving comfort; it accelerates the wear of the central tread pattern of the tire, reducing tire lifespan; increases body vibration, indirectly affecting the lifespan of other components; it can cause excessive stretching and deformation of the tire cords, reducing the elasticity of the tire body, and increasing the load on the car while driving. Hazards of insufficient tire pressure: The friction coefficient with the road surface increases, leading to higher fuel consumption; it makes the steering wheel heavy and prone to deviation, among other factors detrimental to driving safety; it increases the movement of various parts of the tire, causing abnormal heat due to excessive rolling; it reduces the function of the cords and rubber, leading to delamination or cord breakage and excessive friction with the rim, causing damage to the bead area and abnormal wear; the friction between the tire and the ground increases exponentially, the tire temperature rises sharply, the tire softens, and its strength drops sharply. High-speed driving may lead to a tire blowout. If the tire pressure monitoring indicator light comes on (a yellow symbol, an irregular circle without a seal on top, with four small spikes below and an exclamation mark inside), there are generally three reasons: Abnormal tire pressure. It usually alarms when the pressure is below 1.8bar or above 3.0bar. At this time, tire inspection and pressure adjustment are needed. The tire pressure monitoring has not been reset. After inflating the tires, the tire pressure was not reset in time, causing the tire pressure monitoring system to still record the original data, and the tire pressure monitoring indicator light will remain on. At this point, simply reset the tire pressure. The tire pressure sensor is damaged. The tire pressure sensor is used to monitor tire pressure and is directly installed inside the tire, connected to the tire inflation port. If the tire pressure sensor is damaged while driving, it will also cause the tire pressure fault light to come on. For sensor damage issues, only a new replacement part can be used.

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How to Conduct a Late Vehicle Inspection?

What is the tire pressure for a car?

What does a white license plate represent?

Where are the engine and transmission of the Hongqi H9 produced?

What Causes High Idle Speed in Cars?

What maintenance items does a car need at 15,000 kilometers?

What is the normal tire pressure for the Highlander?

How to Properly Adjust the Left Side Mirror?

How to Determine the Correct Side of a Car Tire?

What are the symptoms of a damaged car engine oil pump?

Which car brand has an eagle-like logo?