What are the symptoms of vehicle oil leakage?

Can a Car Pass the Annual Inspection After Air Intake Modification?

Modifying a car's air intake system will prevent it from passing the annual inspection. However, modifications to the body color, engine, fuel type, and frame number are allowed, with the exception of three colors reserved for special vehicles, which cannot be used. Below is additional information: Permitted modifications: Changes to the body color, engine, fuel type, and frame number are allowed, but three colors are reserved for special vehicles and cannot be used; red is for firefighting vehicles, yellow for engineering rescue vehicles, and white over blue for national administrative law enforcement vehicles. Modifications to the body, frame, or engine are only permitted if the original parts are damaged beyond repair or have quality issues. Legal basis: Article 17 of the "Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China" states that if the registered contents on the vehicle's license do not match the actual condition of the vehicle during the safety technical inspection, or if the compulsory third-party liability insurance certificate is not provided as required, the inspection will not be passed.

11

3

Share

How to reset the maintenance light on Suzuki Ciaz?

Suzuki Ciaz maintenance light reset method is as follows: On the trip mileage display interface, press the right handle for more than 5 seconds until OIL appears in the lower right area of the display; quickly press the right handle 5 times within 2 seconds; OIL will blink 3 times and then turn off, indicating the reset is complete and the maintenance light is cleared. Additional information: 1. Car maintenance refers to the regular preventive work of inspecting, cleaning, supplying, lubricating, adjusting, or replacing certain parts of the vehicle, also known as vehicle servicing. 2. Modern car maintenance mainly includes the engine system, transmission system, air conditioning system, cooling system, fuel system, power steering system, etc. The purpose of car maintenance is to keep the vehicle clean, maintain normal technical conditions, eliminate potential hazards, prevent faults, slow down deterioration, and extend the service life. 3. Routine maintenance includes changing engine oil and oil filter, replacing three filters (air, cabin air, and fuel filter), checking and topping up brake fluid, coolant, and power steering fluid (replacing if necessary). The first maintenance for a new car is at 5,000 km, which is free of charge. Remember to bring the maintenance manual, user manual, service network directory, first free maintenance voucher, and pre-delivery inspection certificate.

20

0

Share

What Happens If You Put Diesel in a Gasoline Car?

Putting diesel in a gasoline car can cause symptoms such as engine shaking, black smoke from the exhaust, or even failure to start the engine. Differences between diesel and gasoline: 1. Gasoline is highly volatile, while diesel is difficult to evaporate: Gasoline vehicles emit fuel evaporation pollutants. 2. Gasoline mixes easily with air and does not separate easily: Gasoline molecules are smaller, whereas diesel mixes unevenly with air, inevitably leading to localized oxygen deficiency or excess. When fuel burns at high temperatures with insufficient oxygen, it tends to carbonize and form soot. Diesel combustion also produces some odorous organic gases, which is why diesel engine emissions have a distinct smell. 3. Diesel has higher energy density: Diesel does not require a spark plug and ignites under high pressure, making it more efficient but also heavier and noisier. Gasoline requires ignition, so gasoline engines are smaller and quieter. 4. They smell different: Gasoline has a pungent odor, while diesel has a milder smell. 5. They differ in color: Gasoline is light-colored, while diesel is darker. Diesel is mainly used in trucks; diesel engines rely on compression ignition and operate at relatively low speeds, resulting in lower power compared to gasoline engines and slower vehicle speeds. Gasoline is primarily used in passenger cars; gasoline engines use spark ignition, and their compression ratios are generally lower, typically ranging from 8-11 for naturally aspirated engines and not exceeding 14 for turbocharged ones.

10

1

Share

What Causes the Porsche Engine Warning Light to Illuminate?

Sensor malfunctions, car maintenance issues, fuel and oil quality problems, poor combustion of the air-fuel mixture, engine intake issues, turbocharging problems, exhaust system faults, and anti-theft system malfunctions are the primary causes of the engine warning light illuminating. Additionally, during vehicle startup, the car performs a self-check on the engine system. Normally, the engine warning light should turn off after the self-check is completed. If it remains illuminated for an extended period, it is advisable to promptly visit a repair station for professional assistance to diagnose and eliminate potential safety hazards. Below is a detailed explanation of each type of fault: Sensor Issues: Sensors include coolant temperature, crankshaft position, air flow, intake temperature, and oxygen sensors, among others. When these sensors are damaged, have poor connections, or experience signal interruptions, the car's ECU cannot accurately obtain engine data, leading to the illumination of the engine warning light. In such cases, it is essential to seek professional inspection at a repair center to promptly address safety risks. Poor Combustion of the Air-Fuel Mixture: Faulty spark plugs, ignition coils, fuel pumps, or clogged fuel lines can all result in poor combustion of the engine's air-fuel mixture. Poor combustion leads to engine carbon buildup or knocking issues, which are detected by the engine's oxygen sensors and reported to the ECU, triggering the warning light as an alert. Maintenance Issues: Poor engine maintenance is the most common cause of the engine warning light illuminating. Vehicles have specific maintenance schedules, and failure to adhere to these schedules, combined with poor driving habits, can increase the engine's operational burden, eventually causing the warning light to illuminate as a reminder of a potential fault. Fuel and Oil Quality Issues: This refers to both fuel and engine oil. The fuel used in cars typically has a specific octane rating, and engine oil can be semi-synthetic or fully synthetic. Manufacturers usually recommend the appropriate fuel grade and oil type for the vehicle. If the owner fails to follow these recommendations over time, it can lead to engine wear and the illumination of the warning light. Always use the recommended fuel grade and suitable engine oil for your vehicle. Intake Issues: Engine combustion requires air intake, and the air filter plays a crucial role in this process. If the car's air filter is dirty or not cleaned regularly, it can affect the engine's air intake, potentially leading to blockages over time. In severe cases, this can cause the engine warning light to illuminate. Turbocharging Issues: The intake boost piping and turbocharger can also cause the engine warning light to illuminate. The most common issue is a damaged turbocharger, which may also result in oil leaks, excessive oil consumption, reduced power, metallic noises, or blue/black smoke from the exhaust. Exhaust System Issues: The rear oxygen sensor, catalytic converter, exhaust camshaft, and bearings can all contribute to the engine warning light illuminating. The most frequent cause is a faulty catalytic converter. Factors such as using leaded gasoline, lead- or silicon-based oil additives, physical damage to the catalytic converter, or fuel system malfunctions can easily lead to catalytic converter failure. Anti-Theft System: If the car's electronic anti-theft system malfunctions or the anti-theft controller is incompatible with the engine's electronic controller, the anti-theft system can prevent the engine from operating normally, accompanied by the illumination of the engine warning light. Solutions for an Illuminated Engine Warning Light: If the engine warning light is on and the car cannot start, this may be due to a faulty fuel pump or ignition components. It is recommended to call for assistance immediately. If the engine warning light is on and the car is drivable but exhibits severe shaking, loss of power, or other symptoms, pull over safely and call for roadside assistance. If the engine warning light is on but the car drives normally, this may indicate a faulty sensor. In this case, you can continue driving cautiously at low to moderate speeds but should visit a repair shop as soon as possible to diagnose and address the issue.

11

3

Share

How long can you drive with tire pressure below 200?

A tire pressure of 200 is too low, and driving long distances under such conditions can harm the tires. It's best to adjust to the normal tire pressure before driving. Hazards of excessive tire pressure: Reduced tire friction and adhesion, affecting braking performance; Causes steering wheel vibration and deviation, reducing driving comfort; Accelerates wear on the central tread pattern of the tire, shortening its lifespan; Increases vehicle vibration, indirectly affecting the lifespan of other components; Overextends and deforms the tire cords, reducing tire elasticity and increasing the load on the vehicle during driving; Decreases puncture resistance. When encountering sharp objects like nails or glass, the tire is more prone to punctures, leading to internal cracks, blowouts, and potential tire bursts. Hazards of insufficient tire pressure: Increases friction with the road surface, raising fuel consumption; Causes heavy steering and deviation, compromising driving safety; Increases movement in various parts of the tire, leading to abnormal overheating due to excessive rolling; Reduces the functionality of cords and rubber, causing delamination or cord breakage and excessive friction with the rim, resulting in damage and abnormal wear; Multiplies friction between the tire and the ground, sharply increasing tire temperature, softening the tire, and drastically reducing its strength. High-speed driving may lead to tire bursts; Increases tire deformation, making the sidewalls prone to cracks and generating excessive heat due to flexing, accelerating rubber aging, cord fatigue, and breakage, while also enlarging the tire's contact area and speeding up shoulder wear.

18

4

Share

What documents are required for second-hand vehicle transfer?

The required documents are as follows: The original owner of the second-hand vehicle needs to provide documents including the registration certificate, vehicle license, and ID card. The buyer needs to provide an ID card, and if they are from another city, a residence permit or temporary residence permit is required. For companies or organizations, the original and photocopy of the organization code certificate and the official seal are needed. The original owner's commercial insurance can be canceled (compulsory insurance cannot be canceled), or the insurance can be transferred to the buyer at the insurance company. According to Article 19 of the "Motor Vehicle Registration Regulations," when applying for transfer registration, the current motor vehicle owner must fill out an application form, inspect the vehicle, and submit the following documents and proofs: Identity proof of the current motor vehicle owner. Proof and documents of motor vehicle ownership transfer. Motor vehicle registration certificate. Motor vehicle license. For motor vehicles under customs supervision, the "Customs Supervision Vehicle Deregistration Certificate" or a customs-approved transfer certificate must also be submitted. For motor vehicles that have exceeded the inspection validity period, a motor vehicle safety technical inspection certificate and a compulsory traffic accident liability insurance certificate must also be submitted. Precautions when buying a second-hand vehicle: Incomplete documents. Complete second-hand vehicle documents include: vehicle registration certificate (or original purchase invoice), vehicle license, vehicle purchase tax payment certificate, road maintenance fee documents, and compulsory insurance. Missing vehicle registration certificates, vehicle licenses, or unpaid compulsory insurance and road maintenance fees can cause endless trouble for the buyer. Tampering with the odometer. Most consumers judge a vehicle's condition by the odometer, and sellers often take advantage of this by tampering with it. The odometer is not just a record of usage intensity but also a log for the maintenance and replacement of other vehicle parts. If buyers follow the tampered odometer for maintenance, it can lead to a series of potential safety hazards. New paint covering "external injuries." When consumers buy a second-hand vehicle, if the car has been repainted and there are signs of repairs around the front, rear, and A, B, C pillars, the vehicle may have been involved in a major accident. "Tuning the heart" to raise the price. Many consumers focus too much on the car's "heart" (engine) and neglect the health of the car body. Second-hand car sellers take advantage of this by replacing engine parts to make the vehicle's "heart" appear younger, thereby inflating the price.

12

5

Share

What are the symptoms of vehicle oil leakage?

Can a Car Pass the Annual Inspection After Air Intake Modification?

How to reset the maintenance light on Suzuki Ciaz?

What Happens If You Put Diesel in a Gasoline Car?

What Causes the Porsche Engine Warning Light to Illuminate?

How long can you drive with tire pressure below 200?

What documents are required for second-hand vehicle transfer?

How Old Must a Child Be to Sit in the Front Passenger Seat of a Car?

Which gear should be used for a left turn in Subject 3?

Can Old Motorcycles Be Licensed?

What are the four basic types of car insurance?