How to Turn Off the Yellow Engine Light on a Corolla?

[DelMakayla]

When the warning light comes on, the owner should stop driving immediately and go to the nearest 4S shop or auto repair shop for inspection. The engine warning light does not necessarily mean the engine cannot work; it usually indicates that a sensor has detected an issue with the engine's condition and triggered an alert. There are three main reasons for the engine warning light to illuminate: 1. False Alarm: A fault code is reported, but the engine operates normally. This could be due to an operation that temporarily exceeded the computer's control range. The fault code can be cleared first, and then you can check if it reappears. 2. Minor Fault: The engine shows no obvious issues, but further computer diagnostics and inspections reveal a minor problem that does not significantly affect driving. For example, a faulty intake pressure sensor. Such issues should be identified and resolved promptly. 3. Major Fault: These faults are noticeable through visual inspection or driving experience and severely affect the engine's performance, requiring immediate repair. For instance, a significant loss of engine power might indicate an oxygen sensor problem.