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What is the purpose of automotive urea solution?

1 Answers
ZacharyAnn
07/30/25 10:54am
Vehicles equipped with diesel engines require the use of urea solution, while gasoline-powered vehicles do not. The relevant introduction is as follows: 1. Urea solution is used to treat exhaust gases, reducing the pollutants in the emissions. Most buses, trucks, semi-trailers, and heavy-duty vehicles are equipped with diesel engines, and the majority of these vehicles require urea solution. 2. The working principle of a diesel engine differs from that of a gasoline engine. In a gasoline engine, after the compression stroke, the air-fuel mixture needs to be ignited by a spark plug to combust and perform work. However, diesel engines do not have spark plugs; after the compression stroke, they do not rely on spark plugs to ignite the air-fuel mixture.
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What does the Volkswagen Magotan Dual Warranty mean?

Volkswagen Magotan Dual Warranty means the vehicle has two 3-year warranty periods, totaling 6 years of warranty. The Dual Warranty refers to a maintenance plan offered by 4S dealerships, specifically indicating that any new vehicle purchased within 36 months can participate in a 6-year unlimited mileage warranty and 6-year unlimited basic maintenance services. Introduction to car maintenance: Car maintenance refers to the preventive work of regularly inspecting, cleaning, supplying, lubricating, adjusting, or replacing certain parts of the vehicle, also known as vehicle upkeep. Purpose of car maintenance: The purpose of car maintenance is to keep the vehicle clean and tidy, maintain normal technical conditions, eliminate potential hazards, prevent faults, slow down the deterioration process, and extend the service life.
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How Often Should the Automatic Transmission Clutch Be Replaced?

Automatic clutch plates generally do not require replacement. With normal use and regular maintenance, the clutch plates of an automatic transmission theoretically do not need to be replaced throughout the vehicle's lifespan. Below is relevant information: 1. An automatic transmission, as the name suggests, does not require the driver to manually shift gears. The vehicle automatically selects the appropriate gear based on driving speed and traffic conditions. Typically, automatic transmission vehicles have six gear positions, arranged from top to bottom as: P, R, N, D, S, L. 2. Automatic transmission vehicles usually use hydraulic transmission devices to replace the mechanical clutch found in manual transmission vehicles, hence there is no clutch pedal. When the engine speed is low, the torque transmitted by the fluid is limited and insufficient to propel the vehicle forward. 3. When the gear lever is placed in the drive position and the brake pedal is released, as the throttle is applied and the engine speed increases, the transmitted torque grows, pushing the vehicle forward.
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Can the Audi A3 New Energy Vehicle Get a Green License Plate?

The Audi A3 new energy vehicle can get a green license plate. Pure electric vehicles can get green license plates: Pure electric vehicles are models that rely solely on electric power for propulsion. They must be charged using dedicated charging piles or specific charging facilities to operate. Plug-in hybrid vehicles can get green license plates: Compared to fuel-powered hybrids, plug-in hybrid vehicles have an additional charging port, allowing them to be charged externally. Their internal design and technical requirements are relatively lower, but they feature larger battery capacities and longer pure electric driving ranges. Range-extended hybrid vehicles can get green license plates: Range-extended hybrid vehicles are a variant of plug-in hybrids. They can also be charged via an external power source, utilizing an engine to generate electricity and an electric motor for propulsion.
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What to Do When Engine Oil Pressure is Insufficient?

If the engine oil pressure is below 0.2Mpa, or if the oil pressure fluctuates, it indicates a fault in the lubrication system, and the insufficient oil pressure must be promptly investigated and resolved. Here are the relevant details: 1. Insufficient oil in the oil pan: If the oil level is low, the oil pump's output decreases and may even draw in air. The oil should be topped up according to specifications. If the low oil level is due to oil burning or leaks, these issues must also be addressed. 2. Oil quality does not meet requirements: Different engine models require different grades of oil, and even the same model may need different oil specifications depending on the season. Using the wrong oil can lead to excessively thin viscosity and insufficient pressure. Always use the recommended oil. Additionally, prolonged use of oil can cause oxidation and degradation, reducing viscosity and lubrication performance, so timely replacement is essential.
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Where is the engine number located on the Changan Alsvin V3?

The engine number of the Changan Alsvin V3 is located at the lower part of the cylinder block, on the side connected to the exhaust pipe and transmission. You can find the engine number next to the engine model number, which typically consists of a combination of 7 to 8 digits and letters. In addition to the above method, the engine number can also be checked through the following 4 ways: The vehicle license shows the engine number, usually located on the second last line; The motor vehicle registration certificate records the engine number; The car purchase invoice indicates the engine number; The vehicle purchase tax payment certificate states the engine number. It should be noted that the engine number is not the same as the engine model. The engine model refers to the specifications and size of the engine within the manufacturer's range, and engine models can be the same. The engine number refers to the production number of the engine. Each engine can only have one engine number, and the number of each engine is unique.
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Does the Li ONE need to be charged?

Li ONE needs to be charged, but it can also operate without charging. The specific details are as follows: Reason: The Li ONE is an "extended-range" electric vehicle, essentially a "hybrid" model, but the engine layout differs from traditional hybrid vehicles. Charging method: The charging port of the Li ONE is located on the right side of the vehicle body, featuring both slow and fast charging options. Information about the Li ONE is as follows: Li ONE: Equipped with an extended-range hybrid system, consisting of a 1.2T engine and a new drive motor; the fuel tank capacity has been increased from 45L to 55L; equipped with the self-developed LiOS system and millimeter-wave radar for assisted driving functions. Powertrain: Maximum motor power is 240kW (322hp), and maximum motor torque is 530Nm (390lbft).
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