What is the reason for the warning light being on and the inability to accelerate?

1 Answers
McGavin
07/29/25 10:43am
The reasons for the warning light being on and the inability to accelerate include aging or damaged wiring, aging battery, generator issues, etc. Below is an introduction to the engine warning light: Reasons for the light turning on: The engine warning light (referred to as the MIL light) illuminates due to faults in components monitoring vehicle exhaust emissions. The onboard diagnostic system (OBD) detects excessive exhaust emissions, such as issues with the ignition coil, spark plugs, catalytic converter, exhaust valve, fuel injector, intake pressure sensor, oxygen sensor, etc. Consequences of the light being on: When the engine warning light is on, the engine operates in an abnormal state. If not addressed promptly, it may lead to problems such as increased combustion chamber temperature, accelerated wear, and potential early engine damage. Increased engine noise affects driving and passenger comfort. Higher fuel consumption wastes petroleum resources and money. Engine oil burning may occur. Vehicle exhaust quality deteriorates, polluting the environment. To maintain the engine in good working condition, owners can choose high-quality gasoline, which usually resolves the issue of the engine warning light being on.
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