What does it mean when the car's exhaust warning light comes on?

1 Answers
GiaFitz
07/30/25 12:11am
Reasons for the car's exhaust warning light coming on: 1. Poor quality of gasoline may cause abnormal air-fuel mixture, electronic component failure, and exhaust system abnormalities; 2. Failure of electronic components in the intake and exhaust systems, such as oxygen sensors, carbon canister solenoid valves, mass air flow sensors, electromagnetic control valves on turbochargers, throttle body, or carbon buildup inside the engine; 3. The engine control program may need updating or debugging. Solutions for when the car's exhaust warning light comes on: 1. Start and turn off the vehicle three times in a row, or disconnect the negative terminal of the engine battery for 30 seconds before reconnecting it; 2. Change the gasoline, clean the exhaust system, or update the engine control program.
Was this review help?
9
0
Share
More Forum Discussions

How many cylinders does the Corolla 1.2T engine have?

Toyota Corolla 1.2T has 4 cylinders. Here are the relevant details: 1. A cylinder is a cylindrical metal component that guides the piston to perform linear reciprocating motion inside it. In an engine cylinder, air converts thermal energy into mechanical energy through expansion, while in a compressor cylinder, gas receives compression from the piston to increase pressure. 2. Single-acting cylinder: Only one end has a piston rod. Air is supplied from one side of the piston to generate pressure, which pushes the piston to extend, and it returns via spring or self-weight. 3. Double-acting cylinder: Air is alternately supplied from both sides of the piston, providing output force in one or two directions. 4. Diaphragm cylinder: Uses a diaphragm instead of a piston, providing output force in only one direction and resetting via spring.
3
3
Share

Do new energy vehicles require a driver's license?

New energy vehicles require a driver's license. The specific reasons and types of licenses are as follows: Specific reasons: As long as it is a motor vehicle, a legal driving license must be obtained. The traffic law clearly stipulates the type of driver's license required for new energy vehicles, which mainly depends on the type of vehicle the new energy vehicle is, and has little to do with the type of energy. Types of licenses: If the new energy vehicle is a small car or a low-speed cargo truck, a C1 license is required. If the new energy vehicle is a medium-sized passenger car or a large truck, a Class B license is required. If the new energy vehicle is a large passenger car, a tractor, or a city bus, a Class A license is required. Both Class A and Class B licenses can be used as Class C licenses. The new energy vehicle must match the driver's license, otherwise the traffic police may impound the vehicle and the license.
10
2
Share

How to Use a 360-Degree Panoramic Imaging System?

Cars equipped with a 360-degree panoramic imaging system have a toggle button that allows you to switch perspectives. Some vehicles come with a touch-enabled central control screen, enabling direct touch to switch views. Here is an introduction to the panoramic imaging system: Operating Principle: The 360-degree panoramic imaging system adds multiple wide-angle cameras to the front, rear, and sides of the vehicle. It processes the multi-channel video images captured simultaneously into a 360-degree bird's-eye view of the vehicle's surroundings, which is then displayed on the central control screen. This allows the driver to monitor the front, rear, left, and right video feeds in real time from inside the car, helping to avoid accidents and enabling more intuitive and safer driving. Installation of the 360-Degree Panoramic Imaging System: The front camera is installed on a suitable grille or emblem at the front of the car. The side mirror cameras are mounted at the bottom of the left and right side mirrors—universal types may require drilling for installation, while professional models can directly replace the original side mirrors. The rear camera is installed on the license plate light cover or the trunk handle. It is important to note that the front and rear cameras should be installed along the vehicle's central axis.
20
5
Share

How to Check Vehicle Information Under Your Name?

If you want to check the vehicles under your name, you can download the Traffic Management 12123 app, register with your phone number and ID card, and go to the homepage. There is an option called 'My Vehicles.' Click on it, and you will see the cars registered under your name. Another method is to directly visit the vehicle management office with your ID card to inquire. Ordinary citizens do not have the right to check vehicles under someone else's name. This means you cannot query vehicle license numbers online using just an ID card and name. Currently, national vehicle registration management is quite strict, allowing only specific authorities, individuals, and through specific strict procedures to conduct such queries. The vehicle registration information network of the traffic department is only open internally and not publicly available online. Attached is the method for checking vehicle information: Log in to the local traffic police website and select 'Vehicle Information Query.' After the page opens, enter the license plate number and engine identification code (VIN), then click 'Confirm.' Once the page loads, all vehicle information will be displayed, including registration date, annual inspection date, etc.
5
4
Share

Is Geely a domestic or joint venture car?

Geely is a domestic brand. Geely Automobile Group is a subsidiary of Zhejiang Geely Holding Group. Below is relevant information about Geely Automobile Group: Introduction: Zhejiang Geely Holding Group Co., Ltd. (abbreviated as Geely Holding Group) is a privately-owned passenger car manufacturing and operating enterprise, founded by Li Shufu in 1986 in Hangzhou. Geely Holding Group owns numerous internationally renowned brands, including Geely Auto, Lynk & Co, Volvo Cars, Polestar, Proton, Lotus Cars, London Electric Vehicle Company, Farizon New Energy Commercial Vehicles, Terrafugia, Cao Cao Mobility, Homt, Saxo Bank, and Mingtai. Philosophy: Adhering to the spirit of "Communication, Cooperation, Dedication, and Innovation," Zhejiang Geely Holding Group Co., Ltd. continuously introduces innovations and actively participates in international competition and cooperation. With advanced technology, high-quality products, and meticulous services, the company is wholeheartedly committed to fulfilling the Chinese people's dream of owning cars and realizing its promise of "building good cars that ordinary people can afford and making Geely cars travel all over the world."
6
0
Share

What Type of Transmission Fluid is Best for Cars?

Car transmission fluid types depend on the transmission: manual transmissions require gear oil, while automatic transmissions use transmission fluid. Here is some relevant information about transmission fluid: Functions of transmission fluid: Change the transmission ratio to expand the range of torque and speed variations of the driving wheels. Adapt to frequently changing driving conditions, allowing the engine to operate under favorable circumstances. With the engine's rotation direction unchanged, enable the car to reverse. Utilize interrupted power transmission to facilitate gear shifting or power output. Methods for proper maintenance of automatic transmissions: Check the automatic transmission fluid by testing its viscosity between your fingers; replace it if discolored or with a burnt smell. Adjust the linkage or cable connecting the gear selector lever to the manual valve, ensuring the manual handle's position corresponds to the spring clip position inside the automatic transmission.
17
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.