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What causes a car to fail to start immediately after being turned off?

1 Answers
AuroraAnn
07/30/25 1:52am
There are four main reasons why a car may fail to start immediately after being turned off: throttle valve malfunction, fuel pump failure to supply gasoline, timing belt breakage, and coolant temperature sensor failure. Excessive carbon buildup on the throttle valve or idle speed motor may cause the engine to stall. When the throttle position sensor malfunctions, the inaccurate data received by the sensor typically leads to excessively high engine idle speed and may also cause the engine to stall. Stalling, also known as quenching, occurs when a reactor operating at a significant reaction rate suddenly experiences a drastic drop in reaction speed when the feed inlet temperature is reduced to the lower limit of the multiplicity region, causing the reaction to essentially stop. This phenomenon is called quenching.
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Why is Purchase Tax Required When Buying a Car?

Because the government imposes taxes. Below is expanded information on various types of taxes: Vehicle Purchase Tax: Purchase tax is a tax levied by tax authorities on the purchase of specified properties and behaviors within the scope of the tax system, such as the vehicle purchase tax. The vehicle purchase tax is a tax imposed on entities and individuals who purchase specified vehicles within the country, evolving from the vehicle purchase surcharge. Vehicle and Vessel Tax: Vehicle and vessel tax refers to a property tax calculated and levied based on the type of vehicles and vessels that are legally required to be registered with public security, transportation, agriculture, fisheries, military, and other administrative departments, according to specified tax bases and annual tax standards. Consumption Tax: Consumption tax is a general term for various taxes imposed on the turnover of consumer goods. It is a tax levied by the government on consumer goods, which can be collected from wholesalers or retailers. Consumption tax is a typical indirect tax.
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What is the world record for F1 pit stop?

F1 pit stop world record is 1.82 seconds. Types of F1 tires: They are categorized as supersoft, soft, medium, and hard tires. To distinguish them, each type is marked with a different color. In terms of speed, supersoft tires perform the best. The softer the tire, the faster the speed, but the less durable it is. Therefore, supersoft tires are commonly used in qualifying sessions. Reasons for F1 tire changes: The designed lifespan of F1 racing tires is 120 kilometers, which is extremely short compared to the tens of thousands of kilometers for ordinary civilian tires. The life of an F1 racing tire is like a meteor—brief but dazzling. Tires widely use steel belts to enhance wear resistance, while F1 racing tires also employ complex woven nylon and polyester structures to increase strength. During races, tires must withstand nearly one ton of downforce, as well as 4g lateral loads and up to 5g longitudinal loads. Moreover, the tires must be made thin yet tough, resulting in a very short lifespan.
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How many kilowatt-hours does a new energy vehicle consume per 100 kilometers?

New energy vehicles consume 10-15 kilowatt-hours per 100 kilometers. Battery Electric Vehicles (BEVs) refer to vehicles that use on-board power sources as their driving force, employ electric motors to drive the wheels, and meet all requirements of road traffic and safety regulations. Their components include: electric drive and control systems, mechanical systems for driving force transmission, and working devices to accomplish set tasks. Below are the benefits of new energy vehicles: 1. Fuel energy conservation: New energy vehicles generally use natural gas, liquefied petroleum gas, hydrogen, or electricity as their power source, conserving fuel energy. 2. Reduced exhaust emissions: New energy vehicles produce no exhaust emissions, effectively protecting the environment. Electric vehicles generate no tailpipe emissions and cause no pollution. Hydrogen-powered vehicles emit only water, posing no environmental pollution. Due to their near-zero emissions, they are also exempt from traffic restriction policies. 3. High efficiency: New energy vehicles typically adopt new technologies and structures, making them more efficient.
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What is the fuel tank capacity of the BMW X6?

The BMW X6 has an 85-liter fuel tank. Below is an introduction to fuel tank capacity and methods for checking a car's fuel tank capacity: Introduction to Fuel Tank Capacity (Liters): Fuel tank capacity measures the amount of fuel a vehicle can hold. A larger fuel tank capacity means more fuel can be stored, resulting in longer driving range and fewer refueling stops. A larger tank also allows drivers in areas with sparse gas stations to reach more distant stations when running low on fuel, reducing the risk of running out of gas. Methods for Checking a Car's Fuel Tank Capacity: Currently, the primary method for checking a car's fuel tank capacity is by observing the fuel gauge on the dashboard. If there are no issues, the fuel gauge will accurately display the remaining fuel. Most fuel gauges have 5-6 segments, with each segment representing a portion of the remaining fuel. It is recommended to refuel when only two segments remain to avoid running out of gas while driving.
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Is the Demand for Copper High in New Energy Vehicles?

New energy vehicles require copper for both motors and batteries. Below is a detailed introduction to the copper demand in new energy vehicles: New Energy Vehicle Motors: The usage of new energy vehicles will see a comprehensive increase compared to traditional internal combustion engine vehicles. Their motors internally require extensive use of wiring sets. Currently, the majority of new energy vehicles on the market opt for PMSM (Permanent Magnet Synchronous Motors), which use approximately 0.1kg of copper per kW. Given that most new energy vehicles sold today have a power rating of over 100kW, the copper usage for the motor alone exceeds 10kg. New Energy Vehicle Batteries: In addition, batteries and charging functions require substantial amounts of copper, leading to a significant overall increase in copper usage. According to calculations by IDTechEX analysts, hybrid vehicles use about 40kg of copper per vehicle, plug-in hybrid vehicles use about 60kg, pure electric vehicles use 83kg, and large vehicles such as pure electric buses require 224-369kg of copper.
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What to Do When the Cruze Remote Key Fails?

If the Cruze remote key fails, first determine whether it is caused by a dead battery. After replacing the battery, try again in an area without signal interference. If the key still fails to work after replacing the battery, you need to go to a 4S shop to re-pair a new remote key. Here is some relevant information: 1. How the remote key works: The key first emits a weak radio wave, which is received by the car's antenna. The electronic control unit (ECU) identifies the signal code, and then the system's actuator (motor or electromagnetic coil) performs the locking/unlocking action. 2. Precautions: For smart keys, the biggest fear is being dropped from a height, as most smart key shells are quite sturdy, but the internal circuits have weak impact resistance and are prone to damage under severe collisions. Additionally, if a smart car key gets wet, it can burn out the internal circuits, also causing the remote to fail.
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