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How to Solve the Problem of Oil Burning in Buick Cars?

1 Answers
DeBrynlee
07/30/25 1:05am
For older vehicles, using engine oil with higher viscosity can be considered, as thicker oil provides better sealing. The maintenance cycle of a car is determined based on its normal usage conditions. It is advisable to shorten the maintenance interval and the specified mileage according to the actual situation. Additionally, prolonged high-speed driving should be avoided as much as possible.
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Where is the fuel pump located in the BYD Song?

The fuel pump of the BYD Song is located inside the engine, installed within the oil pan. Here are the relevant details about the fuel pump: Function of the fuel pump: The fuel pump's role is to draw gasoline from the fuel tank and pressurize it through the pipelines and fuel filter into the float chamber of the carburetor. Gasoline serves to cool and lubricate the fuel pump. If fuel is not replenished promptly after the fuel warning light comes on, the cooling and lubrication effects will diminish, potentially causing damage. Impact of fuel quality on the fuel pump: Impurities in low-quality gasoline can clog the fuel supply system and wear out the fuel pump, leading to damage. Early failure of the fuel pump is often caused by the use of inferior fuel. Electric fuel pump: An electric fuel pump is not driven by the camshaft but operates through electromagnetic force repeatedly moving the pump diaphragm. This type of electric pump allows for flexible installation locations and helps prevent vapor lock.
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Is the BYD Song Fuel-Efficient?

BYD Song is not fuel-inefficient. The fuel consumption of the Song Pro gasoline version is 7.0L/100km, while the BYD Song Pro DM version consumes 1.4L/100km. The following factors affect fuel consumption: Driving Habits: Personal driving skills have a significant impact on a car's fuel consumption. For short trips of just a few kilometers, due to the mechanical design characteristics of the vehicle, it takes some time of operation to reach optimal efficiency. If the car hasn't fully warmed up during these short trips, higher fuel consumption is inevitable. Road Conditions: Road conditions include whether the road is smooth, the level of friction, the size of inclines, and whether there is traffic congestion. Generally, roads with many sharp turns and frequent braking will result in significantly higher fuel consumption. During peak commuting hours in the morning and evening, it's common to travel only a few kilometers in an hour, leading to fuel consumption that can be more than three times higher than during smooth traffic conditions.
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What is the tire model of BYD Song Plus DM-i?

BYD Song Plus DM-i has three tire models: 235/50R19, 235/55R18, and 245/45R20. The first number 235 represents the tire width of 235MM, 50 indicates the tire's aspect ratio is 50%, meaning the section height is 50% of the width, the letter R stands for radial tire, and 16 represents the rim diameter of 16 inches. The BYD Song Plus DM-i has a fuel consumption of 6.9L per 100 kilometers. In addition to the model, the tire also marks the following common data: Tire cord material: Represented by Chinese Pinyin, such as M-cotton cord, R-rayon cord, N-nylon cord, G-steel cord, ZG-steel radial cord tire. Speed rating: Indicates the maximum speed at which the tire can carry a specified load under specified conditions. Letters from A to Z represent the certified speed ratings of the tire from 4.8km/h to 300km/h. Common speed ratings include: Q: 160km/h; H: 210km/h; V: 240km/h; W: 270km/h; Y: 300km/h; Rim specification: Indicates the rim specification compatible with the tire. For practical use, such as standard rim 5.00F.
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What is the reason for BYD's alarm to keep ringing?

BYD's alarm keeps ringing due to a faulty door contact switch, which can also cause the alarm to sound. It is necessary to go to a repair shop for maintenance. The sensitivity of the anti-theft sensor is too high. There is a sensitivity adjustment knob on the anti-theft vibration sensor, which can be fine-tuned. Alarm working principle: When the sensor is struck or shaken, the ball inside the chamber will roll. When it rolls away from a smaller secondary electrical contact element, the circuit formed by this secondary electrical contact element and the central electrical contact element will be disconnected. Controller ball displacement: At this time, the switch will open, indicating that the controller ball has been displaced. As the ball continues to roll past other secondary electrical contact elements, the circuit will repeatedly close and open until the ball finally stops rolling.
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Can the BYD Han DM be used without charging?

Han DM hybrid cannot be used without charging. Because the Han DM hybrid is a plug-in hybrid, unlike a conventional hybrid, it requires external charging to replenish its electrical energy. Its technology primarily allows for external charging, enabling it to drive in pure electric mode. Once the battery is depleted, it switches to hybrid mode (primarily using the internal combustion engine) and recharges the battery as needed. Based on the connection method of hybrid power drive, hybrid vehicles are generally divided into three categories: Series Hybrid Electric Vehicle (SHEV): Mainly consists of an engine, generator, and drive motor, which are connected in series to form the HEV power system. Parallel Hybrid Electric Vehicle (PHEV): Both the engine and the drive motor serve as power units. The power outputs of these two units can be combined or used separately. Power-Split Hybrid Electric Vehicle (PSHEV): Combines the structures of series and parallel hybrids to form an electric vehicle, mainly composed of an engine, electric generator, and drive motor as the three major power units.
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What are the official crash test results of the BYD Han?

The BYD Han has achieved excellent crash test scores. The occupant protection tests included full frontal impact, 40% offset frontal impact, side impact, and whiplash tests. Overall, the BYD Han EV demonstrated outstanding performance with a score rate of 94.3%. Combined with a 95.62% score rate in the full frontal impact test, although there is room for improvement in areas such as body design, the actual performance of the BYD Han EV remains commendable. More test results are detailed below: 40% offset frontal impact test: Next is the 40% offset frontal impact test, where the BYD Han EV achieved a score rate of 92.20%. In the whiplash test, the BYD Han EV lost more points in the NIC (Neck Injury Criterion) category, indicating that in real-world scenarios, occupants' necks could sustain significant injuries in a collision. Pedestrian protection test: In the pedestrian protection test, the BYD Han EV scored 69.78%, placing it in the upper-middle range compared to other models tested during the same period.
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