Reasons for Car Engine Shaking During Cold Start?

What causes the dim yellow light in Audi A3's daytime running lights?

Daytime running lights turning yellow may be due to oxidation discoloration caused by high temperatures from light emission, or it could indicate wiring issues. It is recommended to have it inspected at an authorized 4S dealership. Daytime running lights, also known as DRLs, are designed to signal the presence of a vehicle during daylight hours and are installed on both sides of the front end. Below are relevant details about daytime running lights: 1. Detail one: Daytime running lights make vehicles more noticeable during daylight driving. Their purpose is not to help the driver see the road but to alert others that a vehicle is approaching. Therefore, these lights are not for illumination but serve as signal lights. 2. Detail two: Adding daytime running lights can make a car look cooler and more stylish, but their primary benefit is not aesthetics—it's improving vehicle recognition. In many countries, it's standard practice to drive with daytime running lights on. 3. Detail three: They can reduce vehicle accidents by 12.4% and lower the chance of fatal accidents by 26.4%. In summary, the goal of daytime running lights is to enhance traffic safety.

1

Share

How to turn on the low beam lights of the Sagitar?

The method to turn on the low beam lights of the Sagitar: The left-hand lever on the steering wheel is the turn signal switch, which also functions as the high/low beam switch lever. Pushing the lever upward turns on the low beam lights, while pushing it downward activates the high beam lights. When in the low beam position, lifting the lever upward again will switch to high beam, but this is a momentary function—releasing it will revert back to low beam. The Sagitar is a compact car under FAW-Volkswagen, with dimensions of 4753mm in length, 1800mm in width, and 1462mm in height, and a wheelbase of 2731mm. In terms of exterior design, the Sagitar features an added chrome trim on the lower character line of the body side, connecting the front and rear bumper chrome strips, creating a more fluid visual effect. The rear also adopts a horizontally stretched design, with two horizontal lines on the widened trunk lid seamlessly integrating with the taillights and rear bumper.

5

Share

Is the Geely Emgrand GS's 100-car failure rate high?

Geely Emgrand GS has a very low 100-car failure rate. Below is an introduction to the Geely Emgrand GS: 1. Introduction: The Emgrand GS is a crossover SUV developed by Geely Auto, adhering to the brand mission of "building everyone's premium car" and based on the "premium car development strategy." 2. Model: The Geely Emgrand GS was born on Geely's new FE platform, belonging to the third-generation products under Geely's development strategy, alongside the Borui and Boyue. The letter "G" in the Emgrand GS name stands for "Grand," interpreting its larger body size and space. The letter "S" represents "Sporty," as the Emgrand GS's design incorporates the crossover SUV style of the "sports mimicry design aesthetics" concept. 3. Exterior: The new Emgrand GS 2020 continues the "new sports mimicry aesthetics" design concept, offering two styles: the "Dynamic" version and the "Elegant" version, presenting two different design styles—sporty and sharp, and fashionable and elegant—providing users with more diverse personalized choices.

18

3

Share

What is the reason for the acceleration hesitation in the Changan CS75?

The reason for the hesitation during acceleration in the Changan CS75 may be due to excessive carbon buildup in the throttle body, fuel injectors, and intake manifold. Many malfunctions are caused by carbon buildup, and some vehicles experience hesitation as a result. It is recommended to regularly clean the carbon deposits. Below is some relevant information about the Changan CS75: 1. Introduction to the Changan CS75: The Changan CS75 is a compact SUV under the Changan brand, equipped with a 1.5-liter turbocharged engine across all models. The dimensions of the Changan CS75 are 4650 mm in length, 1850 mm in width, 1705 mm in height, with a wheelbase of 2700 mm. 2. Improving fuel economy: Maintain tire pressure at the normal level, as low tire pressure increases the vehicle's resistance, thereby increasing fuel consumption. Maintaining the recommended tire pressure can reduce fuel consumption by an average of 3.3% compared to underinflated tires.

12

0

Share

What is the reason for the abnormal noise when shifting from first gear to second gear in Lavida?

The reason for the abnormal noise when shifting from first gear to second gear while stepping on the clutch may be that the manual transmission car is relatively old, and whether the shifting mechanism has become loose. Check if the shift ball head and gear locking mechanism have become loose or produce abnormal noise. Sometimes, when the weather is cold, the vehicle may emit a sharp abnormal noise after shifting. Gear introduction: 1. First gear: It is the starting gear, the gear for starting the car. The gear ratio is similar to that of the reverse gear, with basically the same performance, so it is not suitable for continuous high-speed operation. Generally, after the car starts moving and gains inertia, you can shift into second gear. 2. Second gear: It is the passing gear, mainly used for navigating complex road conditions and handling complicated situations, such as sharp-angle (right-angle) turns without special obstacles, crowded and bustling sections, steep slopes, and bumpy roads. 3. Third gear: It is the transition gear, mainly used for low-speed driving on urban roads. Depending on the situation, you can conveniently accelerate to shift into fourth gear or decelerate to shift down to second gear.

9

4

Share

What does it mean when there is abnormal noise from the exhaust pipe at idle?

If there is a "popping" sound from the exhaust pipe when the vehicle is idling, it may be caused by damage to the exhaust pipe. The detailed reasons are as follows: Excessively rich air-fuel mixture: If the air-fuel mixture in the engine is too rich and not completely burned, it will be expelled with the exhaust gases. When the unburned mixture enters the exhaust pipe and encounters combustible air, it produces an explosive sound, leading to excessive noise from the exhaust pipe. At low engine speeds, the sound is heavy and unstable, while at high speeds, the noise from the exhaust pipe may lessen. This is also an important method to determine if an excessively rich mixture is causing the loud exhaust noise. Excessively high fuel level in the float chamber: When the fuel level in the float chamber is too high, it not only causes the air-fuel mixture to become too rich but also leads to some fuel entering the cylinder without being fully atomized, resulting in increased noise from the exhaust pipe. If a large number of oil droplets are observed in the exhaust pipe, it indicates that the fuel level in the float chamber is too high or the float chamber needle valve is not sealing properly.

16

0

Share

Reasons for Car Engine Shaking During Cold Start?

What causes the dim yellow light in Audi A3's daytime running lights?

How to turn on the low beam lights of the Sagitar?

Is the Geely Emgrand GS's 100-car failure rate high?

What is the reason for the acceleration hesitation in the Changan CS75?

What is the reason for the abnormal noise when shifting from first gear to second gear in Lavida?

What does it mean when there is abnormal noise from the exhaust pipe at idle?

What is the correct ignition sequence for an automatic transmission?

Why is the grease gun not discharging oil and lacking pressure?

Can a Lost Mercedes Key Be Located and Retrieved?

What are the common faults of Volvo XC40?