Is it normal for the steering wheel to have slight play after the engine is turned off?

Should I buy a Passat with China 5 or China 6 emission standard?

It is recommended to purchase the Passat model with China 6 emission standard. The following are the specific differences between China 5 and China 6 standards for the Passat: 1. Carbon monoxide emissions: China 5 vehicles emit 1000mg per kilometer; China 6 vehicles emit 500mg per kilometer. 2. Letter representation: China 5 is denoted by V; China 6 is denoted by VI. 3. Issuing authorities: China 5 standard was issued by the Ministry of Environmental Protection; China 6 standard was jointly issued by the Ministry of Environmental Protection and the General Administration of Quality Supervision, Inspection and Quarantine. 4. Emission control level: China 5 standard's emission control level is equivalent to the European Stage 5 emission standard currently in effect; China 6 standard's emission control level is a standard established to prevent environmental pollution from exhaust emissions of compression-ignition and gas-fueled positive-ignition engine vehicles, and to protect human health.

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What kind of engine oil is best for Audi Q2L?

According to the official introduction of FAW-Volkswagen Audi, the Audi Q2L uses 5w30 engine oil. This type of oil has good low-temperature resistance and strong lubrication, cleaning, and cooling capabilities, making it the most commonly used engine oil type in the market. Below are some related introductions about engine oil: 1. 5w30 engine oil is one of the most commonly used oil models for cars, with balanced fluidity, viscosity, and low-temperature resistance. It can be used by various brands and ages of cars. 2. Under normal circumstances, the engine oil should be changed every 5,000 kilometers. When changing the engine oil, it is essential to use the same type of oil. Different types of engine oil should not be mixed, as this can affect the normal operation of the engine and, in severe cases, damage the engine and reduce its lifespan. 3. Depending on the type, engine oil is divided into mineral oil, semi-synthetic oil, and fully synthetic oil. Each of these oils has its pros and cons, and car owners can choose the one that best suits their vehicle based on their actual needs and budget.

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What are the reasons for the Tiguan's air conditioning not cooling?

The reasons for the Tiguan's air conditioning not cooling are as follows: 1. Insufficient or too little refrigerant. The cause of insufficient or too little refrigerant is likely a minor leak in the refrigeration system. 2. Too much refrigerant may also cause the air conditioning not to cool. There are requirements for the proportion of refrigerant volume in the air conditioning system. If the proportion is too high, it can affect heat dissipation. Similarly, if too much engine coolant is added during repairs, it may also reduce the heat dissipation of the refrigeration system. 3. The drive belt of the car's air conditioning compressor is loose. When the compressor works, it may slip, leading to reduced transmission efficiency, lower compressor speed, and decreased delivery of compressed refrigerant, thereby affecting the air conditioning's cooling performance. If the compressor drive belt is too loose, it should be tightened. If it cannot be turned by hand, it indicates the belt is too tight and should be slightly loosened. 4. In the entire air conditioning system of the car, excessive refrigerant and dirty engine oil in the freezer may also affect the car's air conditioning filter, causing blockage and leading to the air conditioning not cooling. The increased resistance may reduce the flow of refrigerant to the expansion valve, resulting in insufficient cooling capacity.

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What causes black smoke from an electronically controlled diesel engine?

Electronically controlled diesel engines emit black smoke due to the following reasons: Issues with the diesel fuel itself: Using the wrong grade of diesel fuel, excessive viscosity, or poor-quality diesel that is difficult to ignite can cause black smoke emissions. Additionally, this can lead to carbon buildup in the combustion chamber and exhaust muffler. Solution: Use the appropriate and standard-grade diesel fuel. Excessive intake valve clearance: Excessive clearance in the intake and exhaust valves reduces valve lift. Alternatively, loose, worn, or deformed parts in the valve train, or misalignment between the camshaft gear and crankshaft timing gear can result in incorrect valve timing, leading to insufficient fresh air in the cylinders and black smoke during acceleration. Solution: Inspect the valve clearance, valve springs, and valve sealing. Uneven fuel supply: Uneven or excessive fuel supply from the high-pressure fuel pump to each cylinder can cause unstable engine speed and intermittent black smoke emissions. Solution: Adjust the fuel supply from the high-pressure fuel pump to each cylinder to ensure balance or within specified limits.

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How to Replace the Remote Control Battery for the Vezel?

On the Vezel car key, there is a small switch. Flip it to pull out the metal mechanical key. There is a groove in the middle of the key. Use a flathead screwdriver to pry open the key cover, remove the old battery, and insert the new one. Below is some relevant information about the Vezel: 1. The Vezel is an SUV model that breaks tradition and offers consumers an unprecedented trendy experience with its five disruptive highlights: diamond-like versatile appearance, ultra-dynamic all-around driving control, aviation-style dream cockpit, versatile flexible space, and user-friendly intelligent configurations. 2. In terms of appearance, the Vezel features a winged front face design with a mysterious and elegant black tone, integrating the grille and headlights to highlight a pioneering and robust personality. The LED headlights with dual-lamp design, combined with arc-shaped LED daytime running lights, perfectly unify elegance and sharpness. The streamlined cabin and spacious, dynamic rear design create a sense of power in the Vezel's coupe style, harmoniously blending the agility of a coupe with the grandeur of an SUV and other diverse aesthetic elements.

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How many kilometers should the Venucia T70 spark plugs be replaced?

Venucia T70 spark plugs need to be replaced approximately every 30,000 kilometers. Methods to determine if spark plugs are damaged: Remove the spark plugs and observe them. The condition of the spark plugs can be judged based on their appearance and color. Normal spark plugs have a skirt and electrodes that appear gray-white, gray-yellow, or light brown. A properly functioning spark plug has a skirt that is reddish-brown, with an electrode gap between 0.8-0.9mm and no signs of electrode burning. If the spark plugs are covered with oil or deposits but are not damaged, they can continue to be used after cleaning off the oil and deposits. If the spark plugs are severely damaged, with signs such as blistering at the top, black streaks, cracking, or melted electrodes, the cause of the damage should be identified. After troubleshooting, replace the spark plugs with new ones. Additionally, if the spark plugs appear black as if smoked, it indicates that the wrong heat range was selected for the spark plugs, the air-fuel mixture is too rich, or there is oil leakage.

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Is it normal for the steering wheel to have slight play after the engine is turned off?

Should I buy a Passat with China 5 or China 6 emission standard?

What kind of engine oil is best for Audi Q2L?

What are the reasons for the Tiguan's air conditioning not cooling?

What causes black smoke from an electronically controlled diesel engine?

How to Replace the Remote Control Battery for the Vezel?

How many kilometers should the Venucia T70 spark plugs be replaced?

How Many Liters of Transmission Fluid Are Needed for a Corolla Transmission Fluid Change?

What is the reason for the Tesla Model-Y brake failure?

What is the history of Toyota?

What causes the handbrake light to flash in a 13th-generation Crown?