How to Conduct Annual Inspection for Pure Electric Vehicles?

What's the difference between 1.3 and 1.5 displacement?

The differences between 1.3 and 1.5 displacement are as follows: 1. The power of a 1.3-liter engine is not as strong as that of a 1.5-liter engine, but the fuel consumption of the 1.3-liter engine is lower than that of the 1.5-liter engine. 2. Comparing a 1.3-liter turbocharged engine with a 1.5-liter naturally aspirated engine, the 1.3-liter turbocharged engine has stronger power. 3. Comparing a 1.3-liter turbocharged engine with a 1.5-liter turbocharged engine, the 1.5-liter turbocharged engine has stronger power, but its fuel consumption is also higher. 4. If comparing a 1.3-liter naturally aspirated engine with a 1.5-liter turbocharged engine, the 1.5-liter turbocharged engine has higher fuel consumption and stronger power.

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Is Manual Transmission More Dangerous Than Automatic?

From a safety perspective, automatic transmission is generally safer than manual. Analysis of safety performance between manual and automatic transmissions: Manual Transmission: While coasting in neutral with a manual transmission can save fuel, it causes the vehicle to lose power. This can lead to understeering or oversteering during turns, especially. Additionally, if the engine stalls at idle, the vehicle loses power steering and brake assistance, increasing safety risks while driving. Automatic Transmission: Automatic transmission vehicles cannot be driven in neutral, ensuring continuous power support throughout the journey. This driving method provides better safety assurance.

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Should an automatic car use S gear or M gear when climbing a slope?

An automatic car should use M gear when climbing a slope. Lower gears provide stronger engine power, making it easier to complete the climb. When ascending a steep slope, placing the gear in M- will give the car more power. Scenarios where the M gear can be used in a car: when overtaking, going up or down slopes, driving on highways, or driving on icy or snowy roads. When overtaking, using the M- gear to lower the gear can provide higher torque, allowing the car's speed to increase rapidly in a short time. When climbing a slope, the car should use M- as lower gears offer stronger engine power. When descending, you can adjust the gear to 2-3 using M+ to utilize the engine's braking effect, reducing reliance solely on the brakes and enhancing driving safety. Additionally, using M gear when descending steep slopes helps control speed through engine braking, preventing brake overheating and thermal fade. When driving on highways, manually adjusting to a higher gear using M+ to maintain a speed of 80-100 km/h can improve fuel efficiency. When driving on icy or snowy roads, adjusting the gear to 2 using M+ can reduce wheel slipping.

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How much slower is a 4.875 ratio compared to a 4.33 ratio?

4.875 ratio is 16km/h slower than 4.33 ratio. Here is additional information: Differences between 4.875 and 4.33 ratios: The main differences between 4.33 and 4.875 ratios are reflected in two aspects: different driven gear speeds and different numbers of gear teeth. For the same specification rear tire (driven gear) completing one full rotation, a vehicle with a 4.33 ratio will have its driven gear rotate 4.33 times. Whereas a vehicle with a 4.875 ratio will have its driven gear rotate 4.875 times. A vehicle with a 4.33 ratio has 32 teeth on the driven gear and 7 teeth on the driving gear. A vehicle with a 4.875 ratio has 39 teeth on the driven gear and 8 teeth on the driving gear. The 4.33 ratio balances power and rationality, making it suitable for flat regions and light-load express logistics scenarios; the 4.875 ratio emphasizes power performance, making it suitable for hilly and mountainous areas. Impact of ratio size on vehicles: When the transmission ratio is too small, the vehicle operates under heavy load with insufficiently smooth acceleration, leading to noise and vibration; when the transmission ratio is too large, fuel economy suffers, and engine noise becomes excessive at high speeds.

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Is 95 Octane Gasoline More Fuel-Efficient Than 92 Octane?

Using 95 octane gasoline is relatively more fuel-efficient and durable compared to 92 octane. The higher the fuel octane rating, the slower the combustion speed, the lower the combustion knock, and the higher the engine compression ratio required, with the ignition timing needing to be advanced. The opposite is also true. When the engine has a high compression ratio, high-octane gasoline should be used. If low-octane gasoline is used in a high-compression engine, it can cause abnormal combustion, leading to knocking, increased fuel consumption, and reduced driving power. Simply follow the manufacturer's requirements for refueling. Differences between 92 octane and 95 octane gasoline: In terms of n-heptane content, 95 octane gasoline contains 5% n-heptane, while 92 octane gasoline contains 8%. In terms of isooctane content, 95 octane gasoline contains 95% isooctane, while 92 octane gasoline contains 92%. Regarding anti-knock properties, different gasoline octane ratings indicate different fuel anti-knock capabilities. The higher the octane rating, the better the anti-knock performance. 95 octane gasoline has better anti-knock performance than 92 octane gasoline.

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Does CVT Have Jerking Sensation?

"The charging fan of new energy vehicles will keep making noise. This is because charging the vehicle can easily cause the battery pack to overheat. When the internal sensors of the battery detect the temperature, they will send an alarm to the BMS (Battery Management System). The BMS will then send a signal to the fan, which will activate the fan control terminal to start the fan. Once overloaded, the noise from the vehicle's fan will become very loud. Reasons for noise during charging of new energy vehicles: This is because the components converting current and voltage generate heat, triggering the cooling fan of the electronic control system, which is a normal phenomenon. If the ambient temperature is relatively low and the heat dissipation is good, the fan may not start or operate at a low speed. If the temperature exceeds 40 degrees, the fan will start running. If the temperature exceeds 50 degrees, the fan will run at full speed, and the owner will hear a very noticeable noise. If the quality of the fan is poor, the noise during operation will also be louder. Long-term use of new energy vehicles can lead to dust accumulation in the charging system, which can also produce loud noises. During charging, new energy vehicles generate static electricity, which attracts dust from the environment to the charging system, impairing heat dissipation. As a result, the temperature rises immediately when the owner plugs in the charging gun, and the fan runs at maximum speed all the time. In this case, the dust can be cleaned, and the fan can be lubricated. If necessary, a better-quality fan can be replaced to reduce noise."

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How to Conduct Annual Inspection for Pure Electric Vehicles?

What's the difference between 1.3 and 1.5 displacement?

Is Manual Transmission More Dangerous Than Automatic?

Should an automatic car use S gear or M gear when climbing a slope?

How much slower is a 4.875 ratio compared to a 4.33 ratio?

Is 95 Octane Gasoline More Fuel-Efficient Than 92 Octane?

Does CVT Have Jerking Sensation?

What are the pros and cons of the ATSL transmission?

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Can a car with stickers pass the annual inspection?

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