Can I still drive if the D gear keeps flashing?

Is it a traffic violation to drive with hazard lights on under normal conditions?

Driving with hazard lights on in non-low visibility weather conditions is considered a traffic violation. Here is relevant information: Temporary parking on the road: When temporarily parked on the road, especially in non-motorized lanes or when borrowing a lane for parking, the hazard warning lights should be immediately activated to alert passing vehicles and pedestrians for safety. The driver should not leave the vehicle casually. Vehicle accidents: In the event of a traffic accident, the hazard warning lights should be turned on immediately to alert passing vehicles and pedestrians for safety, and the authorities should be notified promptly to await rescue or handling. Reversing or making a U-turn: When reversing or making a U-turn in complex road sections, the hazard warning lights should be activated to alert passing vehicles and pedestrians for safety and to draw attention. Driving in heavy fog: When encountering heavy fog while driving, with visibility below 100 meters, front and rear fog lights should be turned on due to poor visibility to alert passing vehicles and pedestrians, especially vehicles behind, to maintain a safe distance and necessary safe speed, avoiding emergency braking that could lead to rear-end collisions.

8

1

Share

What Causes Air Brake Lock-Up?

The causes of air brake lock-up include: excessively small or no clearance in the brake master cylinder; failure of the vacuum booster; the brake master cylinder being stuck; the brake fluid pipe being blocked, preventing fluid return; or the brake caliper being stuck. Brake Caliper Not Retracting: Simply put, even when the brake pedal is not pressed, there is still a noticeable increase in vehicle resistance. In severe cases, abnormal noises may occur or even wheel lock-up. If the brake fluid has not been changed for a long time, leading to internal rust in the brake caliper, it can be repaired by sanding and applying grease. If the caliper itself is faulty, it may need to be replaced directly. Static Wheel Lock-Up: After the vehicle is parked statically, the wheels may lock up overnight. This phenomenon often occurs in vehicles with drum brakes on the rear wheels. The friction linings are semi-metallic-based brake pads, and the brake drums are cast iron components. When the handbrake is engaged, the brake pads and drums are tightly pressed together. Exposure to water can cause metal oxidation and rust, leading to adhesion. Solutions include spraying rust remover or sanding with sandpaper.

4

0

Share

What Causes the Temperature Gauge to Stop Moving?

The reasons for a non-moving temperature gauge include wiring issues, an open circuit in the gauge's power line, burnt-out heating coils in the gauge, burnt-out heating coils or poor contact in the temperature sensor, poor connection or open circuit in the sensor's wiring, or damage to the voltage regulator that supplies stable power to the gauge's circuit. Thermostat: Check if the heater is producing hot air. Feel the upper and lower radiator hoses to see if they are at the same temperature. It's recommended to inspect whether there is a thermostat issue. After confirming no problems with the thermostat, consider checking the sensor, wiring, and temperature gauge. It's likely the thermostat is damaged and stuck in the open position, causing the coolant to continuously circulate in the large loop. Impact: If the temperature gauge stops moving, the car can still be driven for a short period. This is because the issue might be with the gauge or the temperature probe, and as long as the radiator has sufficient coolant, normal driving won't be affected. However, it's advised not to operate the vehicle at full load until the issue is resolved.

14

0

Share

Is the BMW X1 equipped with a 3-cylinder engine?

The 1.5T engine in the BMW 1 Series is a 3-cylinder engine, model B38A15C, with a maximum power of 103kW and a maximum torque of 220Nm. The 2.0T engine is a 4-cylinder engine, model B48A20C, with a maximum power of 141kW and a maximum torque of 280Nm. The BMW 1 Series engines are produced by the Liaoning Tiesi Engine Factory and are domestically manufactured. For daily maintenance of the BMW 1 Series engine, the following methods can be used: Use lubricating oil of the appropriate quality grade. For gasoline engines, select SD--SF grade gasoline engine oil based on the additional devices in the intake and exhaust systems and usage conditions; for diesel engines, choose CB--CD grade diesel engine oil based on mechanical load, with the selection standard not lower than the manufacturer's specified requirements. Regularly change the oil and oil filter. The quality of any grade of lubricating oil will change during use. After a certain mileage, performance deteriorates, leading to various engine issues. To avoid malfunctions, change the oil regularly according to usage conditions and maintain an appropriate oil level. When oil passes through the fine pores of the filter, solid particles and viscous substances in the oil accumulate in the filter. If the filter becomes clogged and oil cannot pass through the filter element, the filter element may burst or the safety valve may open, allowing oil to bypass through the bypass valve and carry contaminants back to the lubrication areas, accelerating engine wear and increasing internal contamination. Regularly clean the crankcase. During engine operation, high-pressure unburned gases, acids, moisture, sulfur, and nitrogen oxides from the combustion chamber enter the crankcase through the gap between the piston rings and cylinder walls, mixing with metal particles from component wear to form sludge. In small amounts, it remains suspended in the oil; in large amounts, it precipitates, clogging filters and oil passages, making engine lubrication difficult and causing wear. Regularly use a radiator cleaner to clean the radiator. Removing rust and scale not only ensures the engine operates normally but also extends the overall lifespan of the radiator and engine.

9

1

Share

Reasons for Gasoline Engine Stalling Due to High Temperature

Gasoline engine stalling due to high temperature may be caused by insufficient engine power, excessively high temperature inside the combustion chamber, or excessive thermal expansion of the piston. The specific reasons are as follows: Insufficient engine power: When the engine temperature is too high, the temperature of the air entering the engine also increases, resulting in a reduced actual volume of air entering the engine. This lowers the engine's charging efficiency, subsequently decreasing the engine's power and torque, manifesting as insufficient engine power. Excessively high temperature inside the combustion chamber: When the engine temperature is too high, the temperature inside the combustion chamber becomes extremely high, easily reaching the ignition point of gasoline and igniting the air-fuel mixture, leading to detonation. This causes severe engine impact and vibration, subjecting components to additional impact loads and resulting in premature damage. Excessive thermal expansion of the piston: When the engine temperature is too high, the piston undergoes excessive thermal expansion, reducing or even eliminating the clearance between the piston and the cylinder wall. This increases the resistance to piston movement and may even cause scoring on the piston and cylinder wall. The normal clearances of other moving parts are also disrupted, leading to accelerated wear or even damage.

20

1

Share

What kind of fuel should I generally use for my car?

For cars, fuel is essential. Currently, the most commonly used fuels for small cars are 92-octane gasoline and 95-octane gasoline. In terms of price, 92-octane gasoline is indeed cheaper, but there is also a belief that 95-octane gasoline is of better quality. Many people today are enthusiastic about using higher-octane gasoline, even viewing the octane rating as a standard for fuel purity and quality. In reality, the gasoline octane rating only indicates the gasoline's octane number, which is its anti-knock property, and has nothing to do with purity or quality. In fact, the different types and prices of gasoline are based on their octane numbers. The octane number is an important indicator of gasoline's anti-knock performance. The higher the octane number, the better the anti-knock property and the stability of the gasoline. In terms of octane numbers, 95-octane gasoline is higher than 92-octane, so it has relatively better stability and naturally a higher price. Some car owners think 95-octane gasoline is too expensive and choose 92-octane to save on fuel costs. However, for cars that require 95-octane gasoline, using 92-octane gasoline over the long term may seem like a small saving, but it actually increases the frequency of engine knocking and accelerates wear and tear. Similarly, for cars that require 92-octane gasoline, higher-octane gasoline is not necessarily better. Blindly using higher-octane gasoline can lead to more carbon deposits, contrary to the traditional belief that higher-octane gasoline is cleaner and of better quality. It is recommended to carefully read the car's user manual, which usually provides detailed instructions, or check the label on the fuel tank.

6

3

Share

Can I still drive if the D gear keeps flashing?

Is it a traffic violation to drive with hazard lights on under normal conditions?

What Causes Air Brake Lock-Up?

What Causes the Temperature Gauge to Stop Moving?

Is the BMW X1 equipped with a 3-cylinder engine?

Reasons for Gasoline Engine Stalling Due to High Temperature

What kind of fuel should I generally use for my car?

Is it necessary to use turn signals when changing lanes at an intersection?

How many points are deducted for a two-wheeled motorcycle driving in the wrong direction?

Does charging in a car consume fuel or electricity?

Where to Buy a Used Honda Gold Wing?