A check engine light is a warning light on a vehicle’s dashboard that indicates a problem with the engine or emissions control system. It is typically triggered by a sensor that detects a fault in the engine’s performance or emissions. When the check engine light is on, it is important to have the vehicle diagnosed and repaired as soon as possible to prevent further damage to the engine or emissions system.
One way to clear a check engine light is to use a scan tool. A scan tool is a diagnostic device that can be used to read and clear trouble codes from a vehicle’s computer. To clear a check engine light with a scan tool, follow these steps: