What's the Difference After the First Maintenance?

What are the reasons why the Volkswagen Lavida cannot start?

Volkswagen Lavida cannot start due to spark plug failure, battery depletion, or incorrect gear position. The specific reasons are as follows: Spark plug failure: The spark plug is a key component in the car's ignition system, and the vehicle's ignition system is crucial for the engine to function. Therefore, it is essential to replace the spark plug promptly if it fails to work properly. Battery depletion: Battery depletion can cause the starter to feel weak when igniting, struggling to turn the engine. If you attempt to start the car twice in a row, the first attempt will feel stronger than the subsequent one. In this case, the battery needs to be recharged. Incorrect gear position: Generally, automatic transmission models can only start when shifted to the P gear. If left in R or D gear, the car will not start. Additionally, some manual transmission cars will not start if the clutch is not pressed. It is necessary to use the correct gear position.

9

5

Share

Can You Make a U-Turn at a Left-Turn Green Arrow?

You can make a U-turn at a left-turn green arrow. Vehicles are allowed to make a U-turn at intersections where left turns are permitted and there are no signs or markings prohibiting U-turns. Precautions when making a U-turn are as follows: Vehicles should proceed according to the left-turn lane signal without affecting the normal movement of other vehicles. If making a U-turn at an intersection with a left-turn waiting area, you can first enter the left-turn waiting area when the straight signal is green and wait until the left-turn signal turns green before making the U-turn. Other situations where U-turns are allowed are as follows: Presence of a U-turn signal or sign: When there is a U-turn signal at the intersection, a U-turn can be made when the U-turn signal is green. If there is a U-turn sign at the intersection or a U-turn indication on the lane, a U-turn can be made while ensuring the safety of yourself and others. U-turns are allowed at dashed lines: Whether it is a white or yellow dashed line, U-turns are permitted. For double yellow lines with one solid and one dashed, check if your side is the dashed line. If it is, a U-turn can be made safely; if it is solid, U-turns are not allowed. If encountering double yellow lines at an intersection, a U-turn can be made on the dashed side, but you must not cross the stop line ahead. U-turns are allowed at yellow grid lines: Parking is prohibited in yellow grid line areas, but as long as there is no central barrier, you can make a U-turn here after yielding to normally moving vehicles. U-turns are allowed on the dashed side of a green belt: When the front of the green belt is a dashed line, vehicles on that side can make a U-turn from there. When the front of the green belt is a solid line, vehicles must follow the traffic signal, cross the pedestrian crossing before making a U-turn, and are prohibited from making a U-turn by crossing the solid line or the pedestrian crossing.

17

5

Share

What Causes the Engine to Make Loud Noises When Accelerating?

The sound of the engine is directly related to its RPM—the higher the RPM, the louder the sound. When you press the accelerator, the engine's RPM increases, and so does the noise. Here are the specific details: 1. If you notice that acceleration is sluggish, power is lacking, and the engine makes a hysterical noise, this is most likely to occur when the engine is hot or cold or when it's low on oil. Possible causes include issues with the air filter, spark plugs, ignition wires, fuel, fuel filter, carburetor, or fuel pump. 2. If acceleration is normal while driving and ignition is functioning properly, but you observe that the engine RPM is too high while maintaining a constant speed without a corresponding increase in speed, check the coolant. Another possibility is incorrect ignition timing settings, which can also cause such symptoms. 3. If the engine produces a hissing sound, similar to steam or air escaping from the engine, and you notice a rapid loss of power afterward, it could be due to engine overheating, a blocked exhaust system, or a leaking or broken vacuum tube. 4. A whooshing sound from the engine during acceleration or deceleration may indicate low power steering fluid. 5. If the engine's damping components have aged, their shock-absorbing effectiveness decreases, leading to increased vibration and noise felt by passengers. 6. Inspect the vehicle's sealing strips. If replacing them doesn't make much difference, consider enhancing the overall sound insulation system of the car.

19

0

Share

How to Use the Prado 4WD System?

Prado 4WD system usage: The Prado is a full-time four-wheel drive. For older models, the high-range and low-range four-wheel drive are controlled by the small gear lever on the right side, usually set to the H (high) position. When driving on muddy roads or mountain paths, shift the transmission into neutral, then press the brake and move the small gear lever on the right side to the L (low) position. If tire slippage occurs, the differential lock button can be engaged. Below is an introduction to full-time four-wheel drive: 1. Full-time four-wheel drive means that at any time, the vehicle is driven by all four wheels independently. It is abbreviated as "AWD" (All-Wheel-Drive). 2. Full-time four-wheel drive distributes driving force to all four wheels through a flexibly connected central differential and independent front and rear differentials. Unlike purely mechanical differential locks, the differential in full-time four-wheel drive can be either a viscous coupling type or a multi-clutch type, but both allow for a speed difference between the front and rear wheels and between the left and right wheels. 3. Whether a vehicle has full-time four-wheel drive depends entirely on the construction of the transfer case. As the core component that manages different driving states of the vehicle, the transfer case largely determines the overall performance of the vehicle.

18

0

Share

What Type of Gasoline Should the T-Roc Use?

The T-Roc uses 92-octane gasoline. The method and basis for selecting gasoline are introduced as follows: Method for Selecting Gasoline: The difference between 92-octane and 95-octane gasoline is not significant; the main variation lies in the octane rating, which affects the anti-knock properties. The choice should be based on the engine's compression ratio. You can refer to the compression ratio specified in the vehicle's manual, and manufacturers usually indicate the appropriate gasoline grade for the vehicle in the manual. Basis for Selecting Gasoline: The engine requirements for compact cars are not very high, with compression ratios ranging between 8.6 and 9.9. Mid-size cars have engine compression ratios between 10 and 11.5. For engines exceeding 11.5, higher-octane gasoline may be considered. These engines are typically installed in luxury brand vehicles and offer very strong performance. Engines with compression ratios between 8.6 and 9.8 are suitable for 92-octane gasoline, while those with compression ratios between 10 and 11.5 are suitable for 95-octane gasoline.

1

5

Share

What is the warranty period for the Tiggo 8 battery?

The battery warranty period for the Tiggo 8 is three months or 5,000 kilometers. Here are some details about the battery: Battery replacement cycle: The service life of a car battery is 2-3 years, and the original battery of a new car can last more than 3 years. Therefore, if the battery has been in use for nearly two years, you should be aware that its service life may have expired. At this point, it is advisable to conduct tests in advance, identify and address any issues early, or replace the battery to avoid sudden "failure" during use, which could lead to losses. Battery replacement method: If the battery is dead, it is recommended to first measure the battery voltage. If using a multimeter, measure the battery voltage when starting the engine. You can first use a high-frequency discharge machine or a battery tester to measure. Under a load current of no less than 110 amps, the minimum voltage should not be lower than 9.6 volts and should remain stable for 5 seconds. If the voltage is below 9.6 volts but can remain stable for 5 seconds, it indicates over-discharge, and the battery should be recharged promptly.

13

1

Share

What's the Difference After the First Maintenance?

What are the reasons why the Volkswagen Lavida cannot start?

Can You Make a U-Turn at a Left-Turn Green Arrow?

What Causes the Engine to Make Loud Noises When Accelerating?

How to Use the Prado 4WD System?

What Type of Gasoline Should the T-Roc Use?

What is the warranty period for the Tiggo 8 battery?

What are the reasons why a scooter cannot start?

How many liters is one fuel gauge mark on the Chevrolet Cavalier?

What is the function of the shark fin on the roof of a car?

What are the gear positions of the xrv?