Will gasoline evaporate if stored in the fuel tank for a long time?

What are the consequences of overfilling the fuel tank?

There are four consequences of overfilling the fuel tank, which are: 1. Fuel leakage: Gasoline at gas stations is stored underground where temperatures are lower. Especially during hot summers, due to thermal expansion, if the tank is filled too much, fuel may overflow from the vent hole, increasing the risk of fire. 2. Clogging the vehicle's vent hole: Once the vent hole is blocked, negative pressure will form inside the fuel tank, leading to poor fuel supply. 3. Damage to the vehicle's charcoal canister: The charcoal canister is usually located between the fuel tank and the engine. Since gasoline is a volatile liquid, the fuel tank often contains vapor at room temperature. The fuel evaporation emission control system directs these vapors into the combustion process to prevent them from escaping into the atmosphere. The activated charcoal canister plays a crucial role in this process. If the tank is overfilled, liquid gasoline instead of vapor may enter the canister, causing damage. 4. Carcinogenic gasoline vapor: The activated charcoal canister is typically located near the fresh air intake for the cabin. Overfilling the tank can cause gasoline vapors to enter the cabin, posing health risks to passengers.

18

2

Share

How Often Should the Transmission Fluid in an Audi Q5 Be Changed?

The transmission fluid in an Audi Q5 generally needs to be changed every 50,000 to 60,000 kilometers or every 2 years. It is recommended to use genuine Audi transmission fluid or German ZF transmission fluid. Transmission fluid is essential for maintaining the cleanliness of the gear system, ensuring smooth operation of the transmission, and prolonging the lifespan of the transmission components. Gravity Drain Method: After loosening the fastening nut at the bottom of the oil pan, the transmission fluid will automatically drain out through the drain hole. The downside is that this method cannot completely remove all the old fluid, as residual fluid may remain in low spots or hard-to-reach areas. Flush with a Machine: New transmission fluid is added to a flushing machine, which connects to the transmission's fluid lines. The new fluid pushes out the old fluid under the machine's action. This method cleans the fluid lines more thoroughly. The more new fluid used, the cleaner the system becomes. A machine flush typically requires 12 liters or more of transmission fluid. Oil Pan Removal Method: This method involves removing the oil pan for a thorough cleaning and replacement, including addressing any dirty oil filters. However, removing the oil pan is a labor-intensive task, which increases the service cost.

15

3

Share

Can I Change the Photo Before Getting My Driver's License?

Before obtaining your driver's license, it is generally not possible to change the photo, as the license information cannot usually be altered at the time of issuance. However, you can consider applying for a replacement due to loss at the local vehicle management office afterward, using valid identification and a new photo. Below are the relevant details: 1. Submitting a new photo before the road test ends does not allow for a change. The only way is to report the loss of your driver's license to the vehicle management office, then prepare the required documents and photos to apply for a replacement. The motor vehicle driver should apply for a replacement at the vehicle management office where the driver's license was originally issued or at another office. When applying, you need to fill out an application form and submit the following documents: （1）The identity proof of the motor vehicle driver. （2）A written statement declaring the loss of the motor vehicle driver's license. （3）Original ID card and a passport photo. 2. If the application complies with regulations, the vehicle management office should issue a replacement driver's license within one day. After the motor vehicle driver receives the replacement license, the original driver's license becomes invalid and must not be used further.

5

2

Share

Where is the Audi Air Humidity Sensor Located?

Audi air humidity sensor is located beneath the rain sensor, adjacent to it. Additional information is as follows: 1. Classification: Based on their functions, sensors can be categorized into those measuring temperature, pressure, flow rate, position, gas concentration, speed, light intensity, humidity, distance, etc. Each serves a specific purpose, and if any sensor malfunctions, the corresponding device may operate abnormally or cease functioning altogether. 2. Composition: The intake air temperature sensor primarily consists of a plastic housing, waterproof socket, gasket, thermistor, etc. It employs a negative temperature coefficient thermistor as the sensing element. To ensure accurate measurement of intake air temperature, a plastic housing is often used for protection, preventing the installation location's temperature from affecting the sensor's operational precision. 3. Working Principle: The intake air temperature sensor is a negative temperature coefficient thermistor. Its working principle is that as temperature increases, resistance decreases, and as temperature decreases, resistance increases. The variation in resistance within the circuit leads to voltage changes, thereby generating different voltage signals to facilitate automatic operations of the control system. During cold starts, the signal from the intake air temperature sensor is similar to that of the engine coolant temperature sensor. During warm operation, its signal voltage is approximately 2~3 times that of the coolant temperature sensor.

15

1

Share

Are the Toyota Vios and Leiling in the same class?

Toyota Vios and Leiling are not in the same class. The Toyota Vios is a subcompact car launched by Toyota, while the Leiling is a compact sedan introduced by Toyota. In terms of power, the Toyota Vios is equipped with a 1.3L and a 1.5L naturally aspirated engine. For the transmission system, the engine is paired with a 5-speed manual transmission and a CVT continuously variable transmission, providing sufficient power for daily driving needs. To meet the diverse needs of consumers, the Toyota Vios offers a sedan version, excelling in both power and space performance, making it an excellent choice for family use.

15

1

Share

Should Toyota Camry Use 92 or 95 Octane Gasoline?

Toyota Camry can use both 92 and 95 octane gasoline. The gasoline octane rating only indicates the octane number of the gasoline, representing its anti-knock performance, and has no relation to purity. What truly affects gasoline purity is the collection and transportation process. The higher the gasoline octane rating, the higher the octane number and the better the anti-knock performance. Toyota Camry is a model under GAC Toyota, featuring dual design styles: luxury and sporty. Both design styles originate from Toyota's new "Keen Look" design language. The luxury version adopts a large trapezoidal horizontal grille, with a streamlined body posture and a lower waistline. The extended rear roof increases rear headroom.

16

5

Share

Will gasoline evaporate if stored in the fuel tank for a long time?

What are the consequences of overfilling the fuel tank?

How Often Should the Transmission Fluid in an Audi Q5 Be Changed?

Can I Change the Photo Before Getting My Driver's License?

Where is the Audi Air Humidity Sensor Located?

Are the Toyota Vios and Leiling in the same class?

Should Toyota Camry Use 92 or 95 Octane Gasoline?

How long does it take to apply window film to the entire car?

Are the engines of the Audi Q5 and Porsche Macan the same?

What are the effects of increasing wheel size?

How many spark plugs should be replaced at once for a sedan?