Where is the 17-digit chassis number of FAW-Volkswagen located?

Is a Rich Air-Fuel Mixture Due to Excess Fuel or Excess Air?

An excessively rich air-fuel mixture is caused by an overabundance of fuel injection. Below are the relevant details: 1. Automotive Air-Fuel Mixture: This refers to the mixture of fuel and air, typically gasoline or diesel combined with air. However, with advancements in automotive technology and the diversification of fuels, it now also includes mixtures with various combustible gases such as natural gas, methane, and coal gas, as well as ethanol and methanol blends. 2. Requirements for Air Quality: Clean and dry compressed air must be used. The air should not contain synthetic oils from organic solvents, salts, corrosive gases, etc., to prevent malfunctioning of cylinders and valves. Before installation, the connecting pipelines should be thoroughly purged to ensure that no impurities such as dust, metal shavings, or fragments of sealing bags enter the cylinders or valves.

1

2

Share

Is Light Braking Required for Straight-Line Driving in Subject 3?

Light braking is required for straight-line driving in Subject 3. Below are the situations where light braking is necessary: 1. Proceeding straight through an intersection: When approaching an intersection ahead, follow the traffic signals if present, or adhere to safety principles if there are none. In both cases, it's essential to lightly brake in advance to reduce speed, then proceed when the light turns green or when it's confirmed safe. 2. Turning left or right at an intersection: The requirements for gear positions may vary by region when turning left or right, but lightly braking to reduce speed before entering the turn is always correct. 3. Passing through a crosswalk: Upon seeing a crosswalk ahead, whether or not there are pedestrians crossing, you must apply the brake to slow down. 4. On flat roads with light traffic: If the speed is above 30km/h and only brief braking is needed, gently press the brake pedal without depressing the clutch pedal.

8

5

Share

Where is the radiator located in the X-Trail?

The radiator of the X-Trail is located on the right side of the engine compartment. Below is an introduction to the X-Trail's radiator: Automobile Radiator: Generally refers to the radiator. The radiator is part of the car's cooling system. In the engine's water cooling system, the radiator consists of three parts: the inlet chamber, the outlet chamber, the main plate, and the radiator core. Automobile Radiator Maintenance: The radiator is most afraid of overheating, i.e., excessively high temperatures. While driving, monitor the temperature displayed on the dashboard. If the temperature is found to be too high, stop and check immediately; regularly replace the coolant; do not use tap water as a substitute for coolant; it is best to park in a well-ventilated area and avoid parking in tunnels or enclosed spaces.

17

1

Share

What Causes a Car Air Conditioner to Heat but Not Cool?

There are several reasons why a car air conditioner may heat but not cool: 1. Damaged expansion valve: There's a saying in the air conditioning compressor world, "Low pressure high, high pressure low, replace the compressor." The probability of air conditioning compressor damage is not high, but faults in the expansion valve and throttle valve directly lead to poor air conditioning cooling. 2. Lack of refrigerant: Because the sealing device of the air conditioner is not absolutely airtight, the refrigerant in general air conditioners tends to dissipate. Therefore, ordinary vehicles need to add refrigerant every 2-3 years. Some cars may even require it once a year. If the car air conditioner performs poorly in cooling and starts to malfunction shortly after adding refrigerant, this usually indicates a condenser leak. The method to check for leaks is quite laborious. Generally, fluorescent dye is added to the refrigerant oil, and a special glass is used to inspect the system, allowing the leak point to be identified.

19

0

Share

What is the Difference Between 1.5T and 1.6L Engines in Cars?

The differences between 1.5T and 1.6L engines in cars lie in the engine type, power performance, and fuel consumption. Both 1.5T and 1.6L represent the displacement of the car engine. 1.5T refers to a 1.5L turbocharged engine, while 1.6L represents a 1.6L naturally aspirated engine. Engine Difference: The 1.5T engine is equipped with a turbocharger. The fundamental difference between a turbocharged and a naturally aspirated engine is that the turbocharged engine increases the intake air volume by adding a turbocharger. Since a turbocharged engine can achieve greater power output with the same fuel consumption, the power of a 1.5T engine is over 40% higher than that of a 1.6L engine. Simply put, the power output of a 1.5T engine is equivalent to that of a 1.8L engine. Power Performance Difference: The 1.6L engine delivers smoother power output but slower acceleration, while the 1.5T engine, with its larger intake air volume, accelerates faster within 0-100 km/h. Fuel Consumption Difference: The 1.5T engine is more fuel-efficient. The horsepower output of the 1.5T engine is 180, compared to 125 for the 1.6L engine. This means that when producing the same horsepower, the 1.5T engine consumes at least 1.2L less fuel per 100 km than the 1.6L engine.

16

3

Share

What does lift mode mean?

Luxury cars are generally equipped with a chassis lifting device, also known as air suspension. Typically, models equipped with air-adjustable suspension have ground clearance sensors near the front and rear wheels. Based on the output signals from these sensors, the vehicle's computer determines changes in body height and then controls the air compressor and exhaust valves to automatically compress or extend the springs, thereby reducing or increasing the chassis ground clearance to enhance high-speed stability or improve passability on rough terrain. Below are several states of air suspension: 1. Maintenance state: When the vehicle is lifted by a jack and leaves the ground, the air suspension system will close the relevant solenoid valves, and the computer will memorize the body height to maintain the original height after the vehicle is lowered. 2. Normal state: This refers to the engine running state. During driving, if the body height changes beyond a certain range, the air suspension system will adjust the body height at regular intervals. 3. Wake-up state: When the air suspension system is activated by the remote key, door switch, or trunk lid switch, the system will check the body height using the level sensors. If the body height is below the normal height by a certain degree, the air storage tank will provide pressure to raise the body to the normal height.

1

4

Share

Where is the 17-digit chassis number of FAW-Volkswagen located?

Is a Rich Air-Fuel Mixture Due to Excess Fuel or Excess Air?

Is Light Braking Required for Straight-Line Driving in Subject 3?

Where is the radiator located in the X-Trail?

What Causes a Car Air Conditioner to Heat but Not Cool?

What is the Difference Between 1.5T and 1.6L Engines in Cars?

What does lift mode mean?

Which gear should be used for an S-curve?

What are the reasons for the Volkswagen Polo fan not working?

How Much Horsepower Does the Accord 2.4 Have?

What does Volvo Asia Pacific version mean?