Why does the engine malfunction indicator light come on after an oil change?
1 Answers
Engine malfunction indicator light comes on mainly due to poor combustion state of the engine. Special cleaning agents can be used to remove carbon deposits, and high-quality fuel additives can clean the entire fuel system. Below is relevant information about the engine malfunction indicator light: 1. Reasons for illumination: The engine malfunction indicator light (referred to as MIL light) turns on when components monitoring vehicle exhaust emissions malfunction, and the onboard diagnostic system (OBD) detects excessive exhaust emissions, such as issues with ignition coils, spark plugs, catalytic converters, exhaust valves, fuel injectors, intake pressure sensors, oxygen sensors, etc. 2. Consequences of illumination: When the engine malfunction indicator light is on, there are some abnormal conditions. If not addressed promptly, it often leads to problems such as increased combustion chamber temperature, accelerated wear, which may cause premature engine damage. Increased engine noise affects driving and passenger comfort. Increased fuel consumption wastes petroleum resources and money. Engine oil burning. Deterioration of vehicle exhaust quality pollutes the environment. To maintain the engine in good working condition, owners can choose high-quality gasoline, which usually resolves the issue of the engine malfunction indicator light coming on.
