The check engine light gets illuminated when the on-board diagnostics detects any fault within the vehicle operating systems. It could be due to a sensor or a part, it can be emission related issues as well. Sometimes the emission issues might not impact the way the vehicle drives.
Any time the engine light turns on, the first step would be to scan the vehicle for the trouble codes. This can help with the diagnostics.
Here is a helpful video:
Please let me know if you have any questions.
Wednesday, November 3rd, 2021 AT 10:30 PM