What Causes the MG6 Engine Emission Warning Light to Illuminate?

2 Answers
Robin
07/24/25 3:06am
MG6 engine warning light illumination can be attributed to various reasons. The first possibility is a false alarm. A fault code may be reported while the engine operates normally, possibly due to an operation that temporarily exceeded the computer's control range, triggering a feedback fault code. The second scenario is an actual fault. If the engine shows no obvious malfunction and driving remains largely unaffected—such as a minor issue with the intake pressure sensor—timely detection and resolution are crucial. Engine: The MG6 is equipped with a turbocharged engine, model 15E4E. Among the seven currently available models, the engine delivers a maximum power of 124kW, peak horsepower of 169PS, and maximum torque of 250N·m. Some owners may observe the engine warning light illuminating during ignition (when powering the vehicle) but extinguishing after startup—this is normal as it indicates the engine's self-diagnostic process. Fault Handling: For false alarms, owners can attempt to resolve it by turning off and restarting the vehicle to check if the fault code reappears. In cases of genuine engine faults—especially those visibly or perceptibly affecting performance (e.g., significant power loss)—immediate repair is necessary to restore normal operation.
Was this review help?
13
3
Share
JayceFitz
08/10/25 10:43pm
I've been driving my MG6 for several years, and the emission light coming on is a real headache. That yellow light flashing really makes me nervous. The most common cause is sensor failure, like an aging oxygen sensor misreading data and reporting emission issues. It could also be a problem with the fuel system, such as dirty fuel injectors causing an overly rich air-fuel mixture, leading to excessive emissions and the light turning on. Even an exhaust system leak or a missing gasket can trigger the alarm. When my light came on that time, my fuel consumption shot up and the performance dropped, so I quickly checked the fault code and found the front oxygen sensor was faulty. I suggest not delaying and getting it checked and repaired as soon as possible, otherwise it could damage the engine and waste more fuel. Ignoring the emission light leads to heavier tailpipe pollution, and over time, it might even damage the catalytic converter, costing a lot to fix. When driving, pay attention to fuel quality, regularly clean carbon deposits to keep the engine running smoothly, and reduce the risk of the light coming on. Make it a habit to check tire pressure and oil levels—it's safer and saves money, after all, a healthy car is your guarantee on the road.
Was this review help?
9
3
Share
Expand All
More Forum Discussions

What are the dress code requirements for the Subject 1 exam?

There are no dress code requirements for the Subject 1 exam. Below is a brief introduction to the Subject 1 exam: 1. Exam Description: Subject 1 refers to the driver's theory test, which is conducted at the vehicle management office and is a mandatory licensing exam for driver's license applicants. 2. Exam Content: It includes the most fundamental knowledge such as driving theory basics, road safety laws and regulations, traffic signals, traffic rules, as well as local regulations. The scheduling of the driver's theory test is arranged by the local vehicle management offices. 3. Exam Rules: Subject 1 is part of the teaching and examination outline for motor vehicle driver training. This outline divides the examination into three subjects, organized by the traffic management departments of the public security authorities. The exams proceed in the order of Subject 1, Subject 2, and Subject 3. Applicants can take the next subject's exam only after passing the previous one. If an applicant fails a subject, they must continue to retake that subject's exam.
15
0
Share

What Are the Biggest Hidden Dangers of Flood-Damaged Cars?

Flood-damaged cars refer to vehicles that have been submerged in water. Vehicles contain numerous mechanical components and various electronic parts, and currently, no commercially available vehicles are completely sealed and waterproof. This means that when a vehicle is submerged in water, these components and electronic parts are bound to be damaged, leading to significant safety hazards. For example, the vehicle may stall at high speeds, experience brake failure, or have airbags deploy unexpectedly. Below is more information about flood-damaged cars: 1. Persistent Safety Hazards After Repair: 'Flood-damaged cars' can be repaired to some extent, but even after repairs, serious hidden dangers remain. The longer the vehicle is submerged, the higher the likelihood of malfunctions. 2. Classification of Flood-Damaged Cars: If the water level exceeds the chassis, it is considered partially submerged; if it exceeds the oil dipstick, it is semi-submerged; and if it exceeds the hood or dashboard, it is fully submerged. 3. Insurance Claims for Water Damage: The primary insurance that covers natural disasters like heavy rain is auto damage insurance. Since being submerged due to heavy rain meets the criteria for a natural disaster, most vehicle losses can be compensated through auto damage insurance. If a vehicle is submerged in water, as long as the engine is not flooded and only parts replacement or circuit repairs are needed, these fall under the coverage of auto damage insurance. Even if heavy rain completely submerges the vehicle, resulting in a total loss, the insurance company can compensate for the full loss.
13
5
Share

Should the Clutch Be Depressed After Starting?

After starting, there is no need to depress the clutch. Below is an introduction to clutch-related content: 1. Clutch: The clutch is located inside the flywheel housing between the engine and the transmission. The clutch assembly is secured to the rear plane of the flywheel with screws, and the output shaft of the clutch is the input shaft of the transmission. 2. Function: The function of the clutch is to allow gradual engagement between the engine and the transmission, ensuring smooth vehicle starting. It temporarily disconnects the connection between the engine and the transmission to facilitate gear shifting and reduce impact during shifting. During emergency braking, the clutch can separate to prevent overload in the transmission system and other drivetrain components, providing a certain level of protection.
6
0
Share

What is a C1D driver's license?

C1D is a combined driver's license for motor vehicles and motorcycles, which adds the permitted vehicle types of a motorcycle license to the base of a motor vehicle license. Those who have held a C1 driver's license for more than one year and have not accumulated 12 penalty points in the current scoring cycle or the most recent scoring cycle before application can apply for an additional D license. Classification of driver's licenses: Motor vehicle driver's licenses are divided into 16 categories: A1, A2, A3, B1, B2, C1, C2, C3, C4, C5, D, E, F, M, N, P. C1 driver's license: The C1 driver's license is one of the codes for motor vehicle driver's licenses. The permitted driving scope of a C1 driver's license includes small and mini passenger vehicles, light and mini cargo vehicles; light, small, and mini special-purpose vehicles; and small passenger vehicles with seating capacity of 9 or fewer people.
9
5
Share

How Long Can National IV Vehicles Continue to Be Driven?

As long as the vehicle is in good condition, National IV vehicles can continue to be driven indefinitely. However, some cities may impose driving restrictions on National IV vehicles. China has clear regulations that do not set a mandatory retirement period for private passenger vehicles, only stipulating guided retirement after reaching 600,000 kilometers. Relevant information about vehicle emission standards is as follows: 1. Introduction: Vehicle emission standards refer to regulations on the content of harmful gases such as CO (carbon monoxide), HC+NOx (hydrocarbons and nitrogen oxides), and PM (particulate matter, soot) emitted from vehicle exhaust. 2. Implementation Status: Starting from January 1, 2004, Beijing upgraded its vehicle emission standards from Euro I to Euro II, and by 2008, officially implemented the Euro III standard.
7
5
Share

What is the mandatory scrapping period for passenger cars now?

For household 5-seat sedans and 7-seat SUVs, as well as non-commercial small and mini vehicles, there is no usage period limit. When the normal mileage reaches 600,000 kilometers, the state will guide the vehicle to be scrapped. In addition to the above-mentioned vehicles, small and mini non-commercial passenger vehicles, large non-commercial sedans, and wheeled special machinery vehicles also have no usage period limit. Commercial vehicles have scrapping periods, as follows: Small and mini taxi passenger vehicles have a scrapping period of 8 years, medium-sized taxi passenger vehicles have a scrapping period of 10 years, and large taxi passenger vehicles have a scrapping period of 12 years. Public transport passenger vehicles have a scrapping period of 13 years, other small and mini commercial passenger vehicles have a scrapping period of 10 years, and large and medium-sized commercial passenger vehicles have a scrapping period of 15 years. Mini commercial trucks have a scrapping period of 8 years, light and large commercial trucks have a scrapping period of 10 years. The vehicle scrapping process is as follows: The vehicle owner applying for scrapping and renewal should fill out one copy of the "Application Form for Vehicle Modification, Transfer, Alteration, Suspension, or Scrapping" and affix the owner's seal. The registration office will accept the application and issue a "Vehicle Scrapping Notice" for vehicles that have reached the scrapping period. For vehicles that have not reached the scrapping period, after inspection and confirmation that they meet the scrapping standards, a "Vehicle Scrapping Notice" will be issued. The vehicle owner can choose a qualified recycling company to dismantle the vehicle with the "Notice". The recycling company will dismantle the vehicle and take photos after verifying the "Notice". The engine must be separated from the vehicle, the engine block must be broken, and the frame (chassis) must be cut. The vehicle owner should submit the "Modification Form", "XX Province Vehicle Renewal Technical Appraisal Form", "Scrapped Vehicle Recycling Certificate", and vehicle dismantling photos to the vehicle inspection office for verification and signature. The license plates will be reclaimed, and the application will be submitted for approval according to regulations to complete the scrapping registration. Special Notes: According to Article 30 of the "Motor Vehicle Registration Regulations", if the vehicle is damaged and cannot be driven back to the registration location, the owner can deliver the scrapped vehicle to a local motor vehicle recycling company. If a commercial vehicle is converted to non-commercial use, it must be scrapped according to the original commercial vehicle's scrapping period. According to Article 43 of the "Motor Vehicle Registration Regulations", after completing the transfer or cancellation of motor vehicle registration, the original owner can apply to the vehicle management office to use the original license plate number when registering a newly purchased motor vehicle. The application to use the original license plate number must meet the following conditions: (1) The application must be submitted within six months after completing the transfer or cancellation registration; (2) The owner must have owned the original vehicle for more than three years.
16
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.