What causes engine idle shaking and unstable idle speed?

Should Mercedes-Benz Change Brake Fluid Every Two Years?

Mercedes-Benz should change brake fluid every two years. Reasons for replacement: During prolonged or emergency braking, the brake system causes the temperature of the brake fluid to rise rapidly. Brake fluid itself has strong water-absorbing properties and absorbs moisture from the surrounding air, such as during car washing or in humid conditions. Brake fluid: Also known as automotive brake fluid, it is the liquid used in the hydraulic braking system of a vehicle. When the driver presses the brake pedal, the force applied is transmitted by the piston in the master cylinder through the brake fluid to the wheel cylinders, causing the brake pads to expand and stop the vehicle. When the brake is released, return springs pull the brake pads back to their original position. Brake fluid plays a crucial role in transmitting force throughout this process. Although prolonged use of brake fluid may not show obvious effects on the surface, problems can easily arise during emergency braking or when driving downhill for extended periods. The quality of brake fluid is very important, so extra attention should be paid when selecting it.

7

0

Share

What Lights to Turn on When Driving in Foggy Weather?

When driving in foggy weather, turn on the fog lights, tail lights, marker lights, and low beams. In heavy fog, the visibility of the road ahead is low, severely affecting the driver's field of vision and making it difficult to judge the distance of vehicles ahead. Therefore, it is essential to promptly activate the fog lights to alert following vehicles and prevent accidents. On motor vehicles, the front fog lights are yellow, while the rear fog lights are red. Due to their high brightness and strong penetration, fog lights do not scatter light due to fog, so proper use can help prevent accidents. When driving in fog, pay attention to the following: 1. When visibility is less than 200 meters, the speed should not exceed 60 kilometers per hour, and maintain a distance of more than 100 meters from the vehicle in front in the same lane; 2. When visibility is less than 100 meters, the speed should not exceed 40 kilometers per hour, and maintain a distance of more than 50 meters from the vehicle in front in the same lane.

11

5

Share

Can the Trumpchi Shadow Leopard be equipped with a rear wing?

Yes, a rear wing can be installed. A car rear wing refers to the ducktail-like protrusion installed at the rear end of the trunk lid, which helps reduce the lift at the rear of the vehicle. For high-displacement cars, a rear wing can enhance stability, but for small-displacement cars, installing a rear wing may negatively affect the vehicle's power. Upgrading to larger tires: The size of the tires directly affects the car's fuel consumption, acceleration performance, and smoothness. After increasing the tire size, not only will the car experience weaker starts, slower acceleration, and increased fuel consumption, but it will also affect braking performance and increase noise. Car exhaust modification: The car exhaust system primarily discharges the waste gases produced by the engine. However, after modifying the exhaust to a larger size, it not only fails to improve the car's performance but also reduces exhaust backpressure, leading to a drop in low-end torque. Additionally, the engine's exhaust valves may burn out due to excessively high temperatures.

10

4

Share

What is the fuel consumption per kilometer for Honda cars?

Honda cars generally have a comprehensive fuel consumption of around 0.5 yuan per kilometer. Below is relevant information: 1. Fuel consumption: It refers to the amount of fuel consumed per 100 kilometers. For example, people often say 8 liters or 9 liters, meaning 8 liters or 9 liters of fuel consumed per 100 kilometers. Multiply the fuel consumption by the fuel price and divide by 100 kilometers to get the cost per kilometer. 2. Reasons for high fuel consumption: Frequent braking: The energy generated by fuel is used to drive the vehicle, and excessive braking increases fuel consumption. Rapid acceleration: Many people enjoy the feeling of being pushed back into their seats while driving, but overly rapid acceleration increases fuel consumption. Low gear high-speed driving: The most economical speed is actually between 80-90 km/h, and driving at a constant speed is more fuel-efficient.

8

3

Share

Where to Look When Straightening the Steering Wheel at the Exit of an S-Turn?

The angle between the A-pillar on the driver's side and the lower edge of the windshield aligns with the left boundary line of the S-curve, indicating that the vehicle is centered in the S-curve. Therefore, when using this technique to follow the line, upon reaching the exit and when the vehicle body is nearly parallel to the lane exit, you can straighten the steering wheel to exit the test area. During this process, lightly press the brake or clutch to control the speed, as steering too slowly may cause the vehicle to cross the solid line of the curve. Below are relevant details about the S-curve in Subject 2: 1. Practical Operation Method: Before entering the left curve, drive the vehicle close to the right side, keeping the right side of the car aligned with the right boundary line. When preparing to transition to the right curve, turn the steering wheel to the right, aligning the left front corner of the car with the left boundary line until the vehicle safely exits the curve, then straighten the steering wheel. 2. New Requirements: Driving over the edge line of the road results in failure; stopping midway results in failure; driving without shifting to second gear or above results in a 5-point deduction.

16

3

Share

Can I turn left if the left turn signal is off?

If the left turn signal is not working, turning left is not considered a traffic violation and will not result in penalties or demerit points. Even if it is mistakenly judged as running a red light, you can apply for administrative reconsideration at the traffic police department to have the violation revoked. Since the violation was caused by a malfunctioning traffic signal, the traffic police department will review the case and, if confirmed, will not impose any penalties. Below is relevant information: 1. Solution: When traffic is light, you can stop and observe the pattern of the traffic lights, waiting until the left turn signal turns green before proceeding. If the pattern of the left turn signal cannot be determined, you should first use a dashcam or phone to record the malfunctioning left turn signal and proceed to turn left when it is safe. 2. Turn Signal: The turn signal is an important indicator light that is activated when a vehicle is turning to alert surrounding vehicles and pedestrians. The turn signal bulb uses a xenon tube, controlled by a microcontroller circuit, and operates with an alternating left-right flash pattern continuously.

1

5

Share

What causes engine idle shaking and unstable idle speed?

Should Mercedes-Benz Change Brake Fluid Every Two Years?

What Lights to Turn on When Driving in Foggy Weather?

Can the Trumpchi Shadow Leopard be equipped with a rear wing?

What is the fuel consumption per kilometer for Honda cars?

Where to Look When Straightening the Steering Wheel at the Exit of an S-Turn?

Can I turn left if the left turn signal is off?

What Causes High Idle Speed in China V Diesel Vehicles?

How many liters of transmission oil should be added to the Besturn B50?

What are the methods to clean carbon deposits in BMW cars?

What Are the Causes of Squeaking Car Brake Pads?