Should You Buy a 4WD or 2WD SUV?

How to Reset the Engine Fault Light on a Baojun Vehicle?

If the engine fault light is on, follow these steps: First, check if the engine is running normally. Look for issues such as shaking, black smoke emission, or difficulty starting. If any of these symptoms are present, avoid restarting the engine. Note: Do not restart the engine if the red light is on. If the engine runs normally and the vehicle can be driven, proceed to a service center as soon as possible to diagnose the issue. The service center can easily read the fault codes using a portable diagnostic tool and perform targeted repairs based on the fault information. If the engine runs 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 reset the fault light. Generally, the engine fault light may illuminate due to the following seven reasons: Sensor malfunction: Sensors such as coolant temperature, crankshaft position, air flow, intake temperature, and oxygen sensors may become damaged, have poor contact, or lose signal transmission. This prevents the vehicle's ECU from accurately obtaining engine data, triggering the fault light. Fuel or oil quality issues: Failure to use the fuel or engine oil specified by the manufacturer may cause engine wear, leading to the fault light illuminating. Poor combustion of the air-fuel mixture: This can result in engine carbon buildup or knocking. When detected by the oxygen sensor and reported to the ECU, the fault light will turn on as a warning. Causes include faulty spark plugs, ignition coils, fuel pumps, or clogged fuel lines. Turbocharger issues: Problems with the intake boost system or turbocharger can trigger the fault light. Common issues include turbocharger damage, accompanied by symptoms such as oil leaks, excessive oil consumption, reduced power, metallic noises, or blue/black smoke from the exhaust. Intake system issues: Blockages in the engine intake system can lead to the fault light turning on. A dirty or uncleaned air filter can cause intake problems. Exhaust system issues: Faults in the exhaust system, such as a malfunctioning rear oxygen sensor, catalytic converter, exhaust camshaft, or bearings, can trigger the fault light. The catalytic converter is the most common culprit, often damaged by leaded gasoline, improper lubricant additives, physical impact, or fuel system issues. Anti-theft system malfunction: If the vehicle's electronic anti-theft system fails or the anti-theft controller is incompatible with the engine ECU, the engine may not operate correctly, and the fault light will illuminate.

6

4

Share

Why is the Haval H6 so noisy?

There are several reasons for the engine noise in the Great Wall Haval H6, including loose engine mounts. Since the engine inside the engine compartment relies on components like engine mounts for support and fixation, if these parts become aged or loose, the engine will shift during operation, resulting in noise. Additional Information: Movement of plastic components within the engine compartment, such as the engine cover and intake pipe, can also cause noise if they become loose and collide with the engine compartment. Additionally, during cold starts, the engine may produce noise, which can be mitigated by allowing sufficient warm-up time.

17

4

Share

Do Ground-Mounted Traffic Lights Have Surveillance?

Ground-mounted traffic lights are temporary signals that typically do not have surveillance cameras installed for automatic photo enforcement. Here are detailed explanations about vehicular traffic signals: 1. Overview: Traffic signals are lights that direct traffic flow, generally consisting of red, green, and yellow lights. Red indicates prohibition of passage, green indicates permission to proceed, and yellow serves as a warning. 2. Classification: Traffic signals are categorized into: motor vehicle signals, non-motor vehicle signals, pedestrian crossing signals, directional indicators (arrow signals), lane signals, flashing warning signals, and railway crossing signals.

8

1

Share

What is the difference between SL and SN engine oils?

The difference between SL and SN engine oils lies in their performance levels: SN has a higher performance level than SL. API stands for the American Petroleum Institute, and the API rating represents the quality grade of engine oil. It uses a simple code to describe the working capability of engine oil. The oil grades range from SA to SN, with each subsequent letter indicating a higher grade. Currently, the more common grades are SL, SM, and SN. SN-grade oils are primarily full synthetic oils, while SL-grade oils are mainly semi-synthetic oils. Full synthetic oils are high-grade oils without any mineral oil components, whereas semi-synthetic oils contain mineral oil components.

18

2

Share

Should refrigerant be added to the high-pressure pipe or the low-pressure pipe in a car?

Refrigerant can be added to either the high-pressure pipe or the low-pressure pipe in a car's air conditioning system. Here are the relevant details: 1. Refrigerant: Commonly known as freon, refrigerant is the working fluid used in refrigeration and air conditioning systems to transfer heat and produce cooling effects. It can be classified by working method as primary or secondary refrigerant, and by material properties as natural or synthetic refrigerant. 2. Difference: During air conditioning cooling operation, the thin pipe is the high-pressure pipe while the thick pipe is the low-pressure pipe. The high-pressure pipe connects the compressor to the condenser, while the low-pressure pipe runs from the evaporator to the compressor.

11

3

Share

How to turn off the air conditioning in Changan CS35?

To turn off the air conditioning in Changan CS35: The air conditioning switch is the OFF button located below the central control screen. Turning it to the right (red zone) turns the air conditioning on, while turning it to the left (blue zone) turns it off. The Changan CS35 is equipped with manual air conditioning across all models, where the air volume and vent mode are manually adjusted. The temperature is set to a fixed value manually, and the computer maintains a constant temperature based on data collected by the sensors. The Changan CS35 is the first SUV independently developed by Changan Automobile. In terms of body dimensions, it measures 4160mm in length, 1810mm in width, and 1670mm in height, with a wheelbase of 2560mm.

7

2

Share

Should You Buy a 4WD or 2WD SUV?

How to Reset the Engine Fault Light on a Baojun Vehicle?

Why is the Haval H6 so noisy?

Do Ground-Mounted Traffic Lights Have Surveillance?

What is the difference between SL and SN engine oils?

Should refrigerant be added to the high-pressure pipe or the low-pressure pipe in a car?

How to turn off the air conditioning in Changan CS35?

What to Do If ETC Card Is Stolen?

What is the actual fuel consumption of the Leiling 1.2t?

What Type of Gasoline Should the Lynk & Co 03 Use?

Does BYD have hybrid cars?