What is used for glass polishing?

Why does the fuel gauge indicator light stay on after filling up the car with gas?

After filling up the fuel tank, the fuel tank float rises so high that the contacts and sliding piece of the fuel level sensor cannot reach the edge position, sometimes even disconnecting. This results in a high resistance, similar to the situation when the fuel is low, causing the fuel warning light to activate and stay on. The fuel gauge indicator light staying on is caused by the following reasons: 1. Fuel level sensor malfunction: The fuel level sensor detects the position (height) of fuel in the container by measuring the change in capacitance between the sensor casing and the sensing electrode when fuel enters, converting this change into a current change. If possible, you can replace the fuel level sensor at a repair shop. 2. Wiring fault: When there is a short circuit or open circuit in the wiring, the information from the fuel level sensor cannot be read, resulting in the indicator light staying on.

6

0

Share

What Causes the Speed and RPM Not to Increase When the Throttle is Fully Pressed?

When the throttle is fully pressed but neither the speed nor the RPM increases, the main factors causing this issue typically involve faults in the car's throttle pedal, intake system, fuel system, ignition system, or ECU control unit. Below is relevant information about spark plugs: 1. Introduction: The spark plug is a crucial component of the gasoline engine's ignition system. It introduces high voltage into the combustion chamber, creating a spark across the electrode gap to ignite the air-fuel mixture in the cylinder. It mainly consists of a terminal nut, insulator, terminal stud, center electrode, side electrode, and a metal shell, with the side electrode welded to the shell. 2. Working Principle: Under high voltage, the air between the spark plug's center electrode and side electrode rapidly ionizes, forming positively charged ions and negatively charged free electrons. When the voltage between the electrodes reaches a certain level, the number of ions and electrons in the gas increases like an avalanche, causing the air to lose its insulating properties.

10

2

Share

What Causes the Accelerator Pedal to Feel Heavy?

If the accelerator pedal feels a bit heavy, it is most likely caused by the spring under the pedal being too stiff or having excessive tension. You can try using pliers to bend the end of the spring that hooks onto the pedal in the opposite direction to reduce its tension. Another possible cause is a dirty throttle body, which can lead to inaccurate readings from the oxygen sensor. Checking the engine data stream may help diagnose the issue. Below is some related information about the car accelerator: 1. Function of the car accelerator: In gasoline engines, the accelerator does not control the fuel injection volume but rather the throttle opening size. A smaller opening results in less air-fuel mixture entering the cylinders, reducing engine power output, and vice versa. 2. Solutions for a heavy accelerator pedal: Cleaning the fuel system may help. Alternatively, try accelerating further to see if the engine RPM increases while the speed does not. If this happens, it could indicate a damaged sensor inside the transmission, which may have locked the overdrive gear.

20

5

Share

What are the reasons for the oil pump light to come on?

The reasons for the oil pump light to come on are as follows:1. Pressure relief valve blockage: To prevent excessive oil pressure in the lubrication system, which increases engine power consumption and causes oil leaks at sealed connections, a pressure relief valve is installed in the main oil passage or oil pump. A malfunctioning pressure relief valve will result in abnormal oil pressure.2. Insufficient oil volume: If the oil volume is insufficient, the oil pump's output will decrease or fail to pump oil due to air intake, leading to a drop in oil pressure and causing the oil light to illuminate.3. Engine overheating: Excessive engine temperature accelerates the aging, deterioration, and thinning of the oil, causing it to leak from various fitting gaps and reducing pressure.4. Oil filter blockage: When the oil filter is blocked and cannot circulate, the bypass valve on its base opens, allowing oil to enter the main oil passage without filtration. If the opening pressure of the bypass valve is set too high or too low, the oil pump pressure will rise or fall accordingly.

6

3

Share

Which part of the foot should be used to press the clutch?

Press the clutch with the ball of your foot. When pressing the clutch pedal, place the ball of your foot on the pedal with your heel touching the ground. When the clutch is pressed to its lowest point, keep your knees slightly bent. Ensure the clutch is fully depressed to avoid prolonged engagement and guarantee complete separation. Additionally, control the timing of clutch release—avoid releasing it too quickly or deliberately raising the engine RPM too high, as this accelerates clutch wear. Extended tips: 1. For starting on flat ground, after pressing the clutch and shifting into gear, release the clutch slowly since the car hasn't gained speed yet. Releasing it too quickly may cause the engine to stall. 2. For hill starts, gradually release the clutch until the engine vibrates, then release the brake pedal and immediately press the accelerator. 3. When shifting between first, second, and third gears (low-speed gears), release the clutch slowly to prevent stalling or jerking. For shifts between fourth and fifth gears (high-speed gears), a quicker release is acceptable.

18

5

Share

What Causes the Fuel Consumption Display to Fluctuate Erratically?

During fuel sloshing in the tank, poor contact of the fuel level sensor (fuel float) can also affect the variation in average fuel consumption values. In such cases, it's important to observe whether the fuel gauge needle also fluctuates up and down. Insufficient energy in the ignition system, particularly from spark plugs causing ignition fluctuations, can lead to incomplete fuel combustion, resulting in erratic fuel consumption readings. Factors affecting fuel consumption include: 1. Rough Roads Consume More Fuel: Driving on congested or uneven roads for extended periods in lower gears inevitably increases fuel consumption; 2. Overloading the Trunk Increases Fuel Usage: Using the trunk as a storage space, cramming it with unnecessary items, increases the vehicle's weight. It's important to note that vehicle weight and fuel consumption are directly proportional. A 10% reduction in vehicle weight can lead to a corresponding percentage decrease in fuel consumption; 3. Incorrect Driving Habits Can Double or Triple Fuel Usage: Poor driving habits have the most significant impact on fuel consumption. During driving, especially in heavy traffic, at red lights, or when changing lanes, sudden acceleration and hard braking are the most common issues.

12

2

Share

What is used for glass polishing?

Why does the fuel gauge indicator light stay on after filling up the car with gas?

What Causes the Speed and RPM Not to Increase When the Throttle is Fully Pressed?

What Causes the Accelerator Pedal to Feel Heavy?

What are the reasons for the oil pump light to come on?

Which part of the foot should be used to press the clutch?

What Causes the Fuel Consumption Display to Fluctuate Erratically?

What Are Some Useful Car Tips?

What are the effects of slamming car doors?

Can Slamming the Car Door Cause Damage?

Will driving 200 kilometers in S mode damage the car?