Provided primary technical support by detecting errors, troubleshooting, and resolving data or system anomalies. (jobhero.com)
Typically when the Check Engine Light comes on, it indicates that the on board computer has detected an error code from either a sensor or a mechanical part on the vehicle. (yourmechanic.com)
The patient can therefore detect errors directly and attempt to correct them on the next trial. (sciencedaily.com)