What suspension does the Citroën C4 Picasso use?

What Does It Mean When the Car Engine Warning Light Comes On?

The engine warning light may illuminate due to the following 7 main reasons: Sensor Malfunction: The sensors referred to here include those for coolant temperature, crankshaft position, air flow, intake temperature, and oxygen sensors. When these sensors are damaged, have poor connections, or experience signal interruptions, the car's ECU cannot accurately obtain engine data, triggering the engine warning light. Fuel or Oil Quality Issues: Failure to use the fuel or engine oil as recommended by the manufacturer may cause engine wear, leading to the warning light activation. Poor Combustion of Air-Fuel Mixture: Inefficient combustion can result in engine carbon buildup or knocking. When detected by the oxygen sensor and reported to the ECU, the warning light will illuminate as a warning. Issues such as faulty spark plugs, ignition coils, fuel pumps, or clogged fuel lines can all cause poor combustion. Turbocharger Problems: Issues with the intake boost piping or turbocharger can also trigger the engine warning light. The most common issue is turbocharger damage, often accompanied by symptoms like oil leaks, excessive oil consumption, reduced power, metallic noises, or blue/black smoke from the exhaust. Intake Problems: If the car's intake system is compromised, it may lead to clogged engine pipes, and in severe cases, the engine warning light will come on. A dirty or uncleaned air filter can cause intake issues. Exhaust Problems: Exhaust system faults can also activate the engine warning light. Common causes include faulty rear oxygen sensors, catalytic converters, exhaust camshafts, or bearings. The catalytic converter is the most frequent culprit, often damaged by leaded gasoline, improper lubricant additives, physical impacts, or fuel system malfunctions. Anti-Theft System Malfunction: If the car's electronic anti-theft system fails or the anti-theft controller does not match the engine ECU, the system may prevent the engine from operating normally, accompanied by the warning light. If the engine warning light comes on, follow these steps: First, check whether the engine is running normally—look for symptoms like shaking or black smoke. If present, avoid restarting the engine. Note: Never restart the engine if the light is red. If the engine can start, turn it off and wait 5-10 minutes. Without pressing the brake, press the start button once or turn the key halfway to the 'ON' position (without pressing the clutch). The car will enter self-diagnostic mode. After 5-10 seconds, check if the warning light turns off. If the light remains on, visit a service center as soon as possible. Technicians can use a diagnostic tool to read the trouble codes, identify the issue, and perform targeted repairs.

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How to Operate One-Touch Power Windows in Cars?

Methods for one-touch power window operation: 1. Inside the car, by long-pressing the air recirculation button on the AC panel; 2. Outside the car, by long-pressing the lock or unlock button on the remote key. One-touch power windows refer to a system where car window glass can be fully opened or closed with a single button press. Cars equipped with this feature have two-stage window control switches: the first position functions like a regular power window, while the second position allows automatic full opening/closing when pressed briefly. Conventional power windows require holding the switch until reaching the desired position.

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What does ACC displayed on the dashboard mean?

ACC stands for Adaptive Cruise Control. Below is relevant information about ACC: 1. Adaptive Cruise Control (ACC) can comprehensively control vehicle speed and the distance to the vehicle ahead. ACC can set and maintain a specific speed within the range of 30km/h to 160km/h, allowing the car to travel at the set constant speed. Additionally, the system can also set and maintain a time interval with the preceding vehicle, which is determined by the driver. For cars equipped with automatic transmissions, ACC can apply brakes when the vehicle ahead slows down or stops, bringing the car to a halt behind the preceding vehicle. 2. The intelligent technology of Adaptive Cruise Control (ACC) cannot defy the laws of physics and has certain system limitations. Improper use or negligence of ACC can easily lead to serious accidents resulting in injuries or fatalities. Do not use ACC in conditions of poor visibility, on slopes or winding roads, or on slippery surfaces (e.g., snow, ice, wet, or waterlogged roads).

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What does China IV mean?

China IV refers to the China IV emission standard. More information about China IV is as follows: 1. The China IV emission standard is the fourth phase of the national standard for motor vehicle pollutant emissions. The main pollutants emitted by vehicles include HC (hydrocarbons), NOx (nitrogen oxides), CO (carbon monoxide), and PM (particulate matter). Through the application of technologies such as improved catalytic converter active layers, secondary air injection, and exhaust gas recirculation systems with cooling devices, the standard aims to control and reduce vehicle emissions below specified limits. 2. The implementation of the China IV standard is intended to control and reduce vehicle pollutant emissions, keeping them below specified levels to protect the atmospheric environment and reduce harm to human health. After the implementation of the China IV emission standard, vehicle pollutant emissions are required to be reduced by approximately 50% compared to the China III standard, with heavy-duty vehicle emissions reduced by about 30% and particulate matter emissions reduced by around 80%.

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Do 5-Year-Old Cars Need Shock Absorber Replacement?

Whether a 5-year-old car needs shock absorber replacement depends on the vehicle condition, road conditions, driving habits, and the quality of the shock absorbers themselves. If the car is properly used and regularly maintained, with an average annual mileage of 20,000 kilometers, then a 5-year-old car would typically require shock absorber replacement. This is because, under such usage conditions, shock absorbers generally need to be replaced every 4 years. However, if the car is frequently subjected to aggressive driving or harsh road conditions, the shock absorbers may need replacement even before reaching 4 years. When replacing shock absorbers, it is essential to replace them in pairs. Failing to do so can lead to uneven balance and force distribution on the car, causing differential stress on the shock absorbers and potentially leading to further issues. Here are some methods to check if the shock absorbers are functioning properly: 1. Generally, if you notice oil leakage from the shock absorber, it indicates a problem, and the shock absorber should be replaced or repaired as necessary to avoid abnormal operation. 2. Press down firmly on the bumper and then release it. If the car bounces 2-3 times, it indicates that the shock absorber is working well. 3. When driving slowly and applying emergency brakes, if the car vibrates excessively, it suggests a problem with the shock absorber. 4. After driving the car for 10km on rough roads, stop and touch the shock absorber housing. If it is not sufficiently hot, it means there is no internal resistance, and the shock absorber is not functioning. The functions of shock absorbers are as follows: 1. They dampen vibrations transmitted to the car body due to uneven road surfaces or poor driving conditions, ensuring smooth driving and passenger comfort. 2. They quickly eliminate vibrations caused by the road surface on the axles and wheels, ensuring that the wheels maintain constant contact with the ground. This helps maintain normal steering and braking functions, enhancing driving safety.

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Which Tire Does Not Rotate When a Car Turns?

When a car turns right, the spare tire does not rotate. It is important to prevent tires from direct sunlight, UV exposure, rain, ozone, oil contamination, and heat. When storing tires, place them in a cool, shaded area and release the air inside the tires. Below are specific methods for tire storage: 1. During rain, move the tires indoors to prevent water from entering the inside of the tires; 2. If tires come into contact with oil or water, they are prone to damage or deformation. Therefore, store them in a place free from oil and water; 3. Do not place tires in locations where they may be damaged or deformed; 4. Avoid placing tires near generators, batteries, etc.; 5. When storing tires for an extended period after removal, be aware that chemicals may seep out from inside the tires and stain the floor.

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What suspension does the Citroën C4 Picasso use?

What Does It Mean When the Car Engine Warning Light Comes On?

How to Operate One-Touch Power Windows in Cars?

What does ACC displayed on the dashboard mean?

What does China IV mean?

Do 5-Year-Old Cars Need Shock Absorber Replacement?

Which Tire Does Not Rotate When a Car Turns?

What is the appropriate eyesight level for a driver's license medical examination?

Are Car Anti-Static Strips Useful?

What are the penalties for motor vehicles violating no-parking sign instructions?

How to Add Refrigerant to Your Car by Yourself?