What Causes the Idle Speed to Stay at 1200 RPM and Not Drop?

What is the difference between E and D driver's licenses?

The main difference between E and D driver's licenses lies in the types of vehicles they permit. 1. A D license allows driving ordinary three-wheeled motorcycles: Vehicles permitted include three-wheeled motorcycles with an engine displacement exceeding 50ml or a maximum design speed over 50km/h. 2. An E license allows driving ordinary two-wheeled motorcycles: Vehicles permitted include two-wheeled motorcycles with an engine displacement exceeding 50ml or a maximum design speed over 50km/h. Additional information: Age requirements for driver's license applicants: 1. To apply for a small car, small automatic transmission car, or light motorcycle license, the applicant must be between 18 and 70 years old. 2. To apply for a low-speed truck, three-wheeled car, ordinary three-wheeled motorcycle, ordinary two-wheeled motorcycle, or wheeled self-propelled machinery license, the applicant must be between 18 and 60 years old. 3. To apply for a city bus, medium-sized passenger car, large truck, trolleybus, or tram license, the applicant must be between 21 and 50 years old. 4. To apply for a tractor license, the applicant must be between 24 and 50 years old. 5. To apply for a large passenger car license, the applicant must be between 26 and 50 years old.

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What are the causes of unstable idle speed in BMW X1?

BMW X1 unstable idle speed may be caused by: engine control logic error, air conditioning control circuit error, or circuit failure. Below are the relevant explanations: 1. Engine control logic error: When unable to determine whether the air conditioning is turned on, it attempts to increase the speed to offset the resistance during idle. 2. Control circuit error: Unable to send the signal for air conditioning activation. The ECU continuously adjusts the idle speed, manifesting as unstable idle. 3. Air conditioning circuit failure: Causes intermittent operation of the air conditioning. When the air conditioning is not working, the air conditioning compressor belt is in an idle, no-load state, so it does not affect the engine load.

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What is the correct way to refuel a car?

The correct way to refuel a car is as follows: 1. Locate a gas station and drive your vehicle in from the entrance; 2. Park the vehicle next to the fuel pump and turn off the engine; 3. Either let the staff refuel for you or do it yourself. It is important to note that during the refueling process, the engine must be turned off, and open flames should not be used inside the gas station. Additionally, avoid making phone calls or using mobile phones in the gas station to prevent potential hazards. In daily vehicle use, it is advisable to develop the good habit of refueling when the fuel gauge shows there is only one bar of fuel left. Furthermore, in summer, it is not recommended to fill the tank completely. Due to high temperatures and the volatility of gasoline, overfilling can cause excessive pressure in the fuel tank.

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How to Turn On the High and Low Beams of a Car?

The method to turn on the high and low beams of a car is as follows: On the left side of the steering wheel, there is a set of light combination switches. Rotating the combination switch forward one notch turns on the low beam, and pushing it outward activates the high beam. Although the high beam can be turned on with a simple outward push, there is a prerequisite for turning on the high beam: the low beam must be on. Otherwise, operating from other light positions will not enable the high beam. However, pulling the switch inward to flash the high beam once is unrestricted and can be done even when the car lights are off. Alternating between high and low beams is an essential skill for nighttime driving. The icon for the low beam shows light lines pointing downward, while the high beam icon displays light lines pointing straight ahead.

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What is a C1F driver's license and what vehicles can it drive?

The C1F driver's license is a combined license of the C1 and F driver's licenses, covering C1, C2, C3, C4, D, E, and F. It allows the holder to drive small and micro passenger vehicles, light and micro trucks, as well as light, small, and micro special-purpose vehicles. Since each driver can only hold one driver's license, when additional vehicle categories are added to a license, the two categories are merged into one, resulting in this combined form. The details are as follows: C1 driver's license: The C1 driver's license is one of the codes for motor vehicle driver's licenses. According to the "Regulations on the Application and Use of Motor Vehicle Driver's Licenses," the C1 license permits driving small and micro passenger vehicles, light and micro trucks, and light and micro special-purpose vehicles. The small passenger vehicles driven must not exceed 9 seats, and the trucks must not exceed 6 meters in length. Additionally, the C1 license also allows driving all vehicle types permitted by the C2, C3, and C4 licenses. The C1 license examination consists of four subjects, conducted in the following order: traffic laws and related knowledge (referred to as Subject 1), field driving (Subject 2), road driving (Subject 3), and safety and common sense (Subject 4). F driver's license: The F license is the code for a light motorcycle license, allowing the holder to drive motorcycles with an engine displacement of 50ml or less and a maximum design speed of 50km/h or less. The F license is the lowest level of motorcycle license, with an application age range of 18 to 70 years old. The F license does not permit driving any other vehicle types. Like the C1 license, the motorcycle license examination also consists of four subjects, conducted in the same order. Requirements for adding a motorcycle license to a C1 license include: No record of full marks (12 points) in the current scoring cycle or the most recent scoring cycle before application. Possession of a C1 license for at least one year, i.e., completion of the probationary period. According to the "Motor Vehicle Driver's License Business Work Standards" issued by the relevant authorities, motor vehicle driver's licenses are classified into a hierarchical system, dividing licenses into 15 levels: A1, A2, A3, B1, B2, C1, C2, C3, C4, D, E, F, M, N, and P. The vehicle types permitted by each license level are as follows: A1 license: Permits driving large passenger vehicles. A2 license: Permits driving tractors and heavy or medium-sized full or semi-trailer motor vehicle combinations. A3 license: Permits driving city buses with a capacity of 10 or more passengers. B1 license: Permits driving heavy passenger vehicles. B2 license: Permits driving heavy and medium-sized trucks, etc. C2 license: Permits driving small and micro automatic transmission passenger vehicles, etc. C3 license: Permits driving low-speed trucks (originally four-wheel agricultural transport vehicles). C4 license: Permits driving three-wheeled vehicles (originally three-wheeled agricultural transport vehicles). D license: Permits driving three-wheeled motorcycles with an engine displacement exceeding 50ml. E license: Permits driving two-wheeled motorcycles with an engine displacement exceeding 50ml. M license: Permits driving wheeled self-propelled machinery vehicles. N license: Permits driving trolleybuses. P license: Permits driving trams.

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How to Add Refrigerant to a Car?

Methods for adding refrigerant to a car: High-pressure side filling of liquid refrigerant is suitable for adding after leak detection and vacuuming. Note that this method must not involve turning on the compressor, the engine must be off, and the refrigerant can should be inverted; Low-pressure side filling involves gas, characterized by slower filling speed, and is typically used for replenishing refrigerant. Car refrigerant, also known as car air conditioning refrigerant or commonly referred to as Freon, is a substance that lowers the temperature of the air inside the car. The refrigerant continuously circulates in the cooling system and achieves cooling through changes in its own state.

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What Causes the Idle Speed to Stay at 1200 RPM and Not Drop?

What is the difference between E and D driver's licenses?

What are the causes of unstable idle speed in BMW X1?

What is the correct way to refuel a car?

How to Turn On the High and Low Beams of a Car?

What is a C1F driver's license and what vehicles can it drive?

How to Add Refrigerant to a Car?

What is the fuel consumption of the seventh-generation Accord?

What does ESP failure mean?

What Will an A1 Driver's License Be Downgraded To?

Why does a CVT transmission have jerking sensation?