What are the functions of a car?

How to Solve Fuel Overflow When Refueling?

Fuel overflow when refueling can be resolved by the following methods: 1. Gasoline: Use a broom to disperse it, isolate the area, and keep people and vehicles away. It will evaporate shortly. 2. Diesel: Use fire sand to cover the spill, sweep it back and forth to absorb the oil, then place the oil-soaked sand under direct sunlight on a concrete surface to dry. Refueling precautions: 1. Refuel in the morning or evening when temperatures are relatively lower, as the same volume of gasoline will have better quality. 2. Avoid filling the tank completely when driving in the city, as it increases engine load. 3. Do not wait until the tank is empty to refuel, as insufficient fuel can damage the fuel pump and shorten its lifespan. 4. Avoid refueling during thunderstorms, as the fuel nozzle may introduce stray currents into the fuel tank, increasing the movement of unstable gasoline molecules and posing fire or explosion risks.

19

0

Share

How to Use Lights When Parking on the Side of the Road?

When driving a motor vehicle to park on the side of the road, you should turn on the turn signal when moving to the right, then observe whether there are any vehicles coming from the right rear, and ensure safety before pulling over to the roadside. However, you should also check whether the parking section is a no-parking zone. Additional Information: 1. Lights for Following a Vehicle: When driving behind another vehicle at night, turn off the high beams and switch to low beams. If high beams are used, the driver ahead cannot observe the situation behind through the rearview and side mirrors. 2. Lights for Overtaking: When preparing to overtake, first alternately use high and low beams and honk to signal the intention to overtake. Then, turn on the left turn signal, check the rear situation, and if there are no oncoming vehicles, change lanes to the left, accelerate, and overtake. 3. Lights for Oncoming Traffic: When encountering oncoming traffic or vehicles approaching from the opposite direction, turn off the high beams. High beams can impair the vision of the oncoming driver, increasing the risk of accidents. If the oncoming vehicle does not turn off its high beams, you may alternately use high and low beams to signal them to switch to low beams.

10

3

Share

What does the wrench symbol on the car indicate as a fault?

When a car displays a wrench symbol, it is indicating that the vehicle requires maintenance. This wrench light serves as the car's maintenance reminder. Relevant information is as follows: 1. Maintenance cycle: Different brands and manufacturers specify different intervals. For example, most Japanese and Korean cars require maintenance every 5,000 kilometers, while European and American cars may have longer intervals, such as 7,500 kilometers, 10,000 kilometers, 15,000 kilometers, or even more. The specific details can be found in the maintenance section of the vehicle's user manual. 2. Maintenance items: Authorized service centers (4S shops) include over 20 inspection and adjustment items, such as changing the engine oil and oil filter. The maintenance tasks vary by mileage. Some items require periodic replacement (based on time or mileage intervals), such as power steering fluid, brake fluid, transmission fluid, air filter, fuel filter, brake hoses, engine belts, timing chains, and tension adjusters. Others may be replaced based on usage, wear, or corrosion, such as coolant, spark plugs, brake pads, wiper blades, and tires. Some items are replaced only when issues arise or are unpredictable, such as the battery and tie rod ends.

12

3

Share

What series is the Mazda version of the car?

Mazda version cars belong to the Japanese series, as Mazda is a world-renowned Japanese automobile manufacturer headquartered in Hiroshima, Japan. Mazda's lineup includes models such as the Atenza, Mazda6, Mazda6, Ruiyi, and Mazda CX-4. Taking the 2020 Atenza as an example, it is a mid-size sedan with body dimensions of 4870mm in length, 1840mm in width, and 1445mm in height, with a wheelbase of 2830mm and a curb weight of 1518kg. The 2020 Atenza features a MacPherson strut independent front suspension and a multi-link independent rear suspension. It is equipped with a 2.0L naturally aspirated engine, delivering a maximum horsepower of 158 PS, a maximum power output of 116 kW, and a maximum torque of 202 Nm, paired with a 6-speed automatic transmission.

5

4

Share

What Are the Symptoms of Spark Plug Failure?

Spark plug failure manifests in the following symptoms: Difficulty in starting the car, both during cold starts and hot starts, often requiring multiple attempts. Engine shaking, noticeable vibrations while driving. Reduced power, a significant decrease in performance compared to normal conditions. Increased fuel consumption. Engine stalling. Failed emissions tests. Common causes and diagnostics of spark plug failure: Several conditions can lead to spark plug malfunction: Incorrect spark plug gap adjustment. A gap that is too small limits the contact area between the spark and the air-fuel mixture, while also suppressing flame kernel growth due to the quenching effect of the electrodes. This results in weak sparks and difficulty igniting the mixture. Conversely, a gap that is too large may exceed the ignition system's voltage capacity, preventing sparking. Cracked spark plug insulator. High-voltage current leaks through the crack, preventing sparking at the electrodes. Electrode carbon buildup, causing current leakage from the center electrode to the surroundings instead of jumping to the side electrode. Excessive carbon deposits can short-circuit the spark plug, preventing sparking and damaging the insulator. Damaged electrodes. Prolonged electrical erosion from sparks or chemical corrosion from combustion gases can cause electrodes to break or detach, rendering the spark plug ineffective. Low insulation resistance in the spark plug. This reduces the ignition voltage across the spark gap, weakening or completely eliminating the spark. Short circuit in high-voltage wires. Leakage in the wire from the ignition coil to the distributor prevents the entire engine from starting, while leakage in the wire from the distributor to a spark plug affects only that cylinder. Eroded contact points in the distributor. This can prevent all spark plugs from firing, making the engine unable to start or run properly. Spark plug failure requires timely replacement. The replacement steps are as follows: Open the hood and remove the engine's plastic cover. Disconnect the high-voltage wires, marking each cylinder's position to avoid confusion. Use a spark plug socket to remove each spark plug, ensuring the area is free of debris like leaves or dust before proceeding. Insert the new spark plug into the hole, hand-tightening it before using the socket for final tightening. Reattach the high-voltage wires in the correct firing order and replace the cover. Replacement interval: Under normal maintenance conditions, spark plugs should be replaced every 40,000 to 60,000 kilometers. However, this may vary depending on the brand and engine type, so consult the owner's manual for specific recommendations.

10

4

Share

How to Eliminate the Illuminated Engine Fault Light?

If the engine fault light is illuminated, you can follow these steps to address the issue: First, check whether the engine is running normally. Look for issues such as shaking, black smoke emission, or difficulty starting. If any of these problems are present, avoid restarting the engine. Particularly, if the light is red, do not attempt to start the engine again. If the engine is running normally and the vehicle can be driven, proceed to a service station as soon as possible to diagnose the issue. The service station can easily read the fault codes using a portable diagnostic tool, obtaining specific fault information for targeted repairs. If the engine is running normally, the owner can also try gently reconnecting various wiring harness connectors, as a loose connection might be the cause. Alternatively, repeatedly turning the key to the ON position may help eliminate the light. Generally, the illumination of the engine fault light can be attributed to the following seven main causes: Sensor Malfunction: This includes sensors such as the coolant temperature sensor, crankshaft position sensor, air flow sensor, intake temperature sensor, and oxygen sensor. When these sensors are damaged, have poor connections, or their signals are interrupted, the vehicle's ECU cannot accurately obtain engine data, triggering the engine fault light. Fuel or Oil Quality Issues: Failure to use the fuel or oil specified by the manufacturer may cause engine wear, leading to the illumination of the fault light. Poor Combustion of Air-Fuel Mixture: Poor combustion can result in engine carbon buildup or knocking. When detected by the oxygen sensor and reported to the ECU, the fault light will illuminate as a warning. Issues such as faulty spark plugs, ignition coils, fuel pumps, or clogged fuel lines can cause poor combustion of the air-fuel mixture. Turbocharger Problems: Issues with the intake boost piping or turbocharger can also trigger the engine fault light. The most common problem is a damaged turbocharger, accompanied by symptoms such as oil leaks, excessive oil consumption, reduced power, metallic noises, or blue/black smoke from the exhaust. Intake Problems: If the vehicle's intake system is compromised, it may lead to blocked engine pipes, which can, in severe cases, cause the engine fault light to illuminate. A dirty air filter that hasn't been cleaned regularly can also lead to intake issues. Exhaust Problems: Exhaust system faults can also trigger the engine fault light. Common causes include faulty rear oxygen sensors, catalytic converters, exhaust camshafts, or bearings. The catalytic converter is the most frequent culprit. Using leaded gasoline, lead- or silicon-based lubricant additives, physical damage to the catalytic converter, or fuel system malfunctions can easily lead to catalytic converter failure. Anti-Theft System Malfunction: If the vehicle's electronic anti-theft system fails or if there is a mismatch between the anti-theft controller and the engine electronic controller, the anti-theft system can prevent the engine from operating normally, accompanied by the illumination of the engine fault light.

8

4

Share

What are the functions of a car?

How to Solve Fuel Overflow When Refueling?

How to Use Lights When Parking on the Side of the Road?

What does the wrench symbol on the car indicate as a fault?

What series is the Mazda version of the car?

What Are the Symptoms of Spark Plug Failure?

How to Eliminate the Illuminated Engine Fault Light?

What is the emission standard of the Wuling Hongguang S3?

Are the BMW X5 and Audi Q5 in the same class?

Which province does the 'Pu' license plate belong to?

Why does the engine fault light keep coming on?