How to Read and Clear Check Engine Light Codes

How to Read and Clear Check Engine Light Codes

Quick Answer:To read check engine light codes, you need an OBD2 scanner that plugs into your vehicle’s diagnostic port (located under the dashboard near the steering column). Turn the ignition to “ON” without starting the engine, and the scanner will display alphanumeric codes (like P0300) that identify specific system malfunctions. Clearing codes requires using the … Read more