Posts Tagged: check engine light on but no code

Check engine light on but no codes stored

Understanding Why the Check Engine Light is On but No Codes Are Stored The check engine light (CEL) illuminates, it typically means that the vehicle’s onboard diagnostics system (OBD-II) has detected a problem. However, sometimes you can connect your code reader only to find there are no fault codes stored. This situation can be perplexing and frustrating for car owners and technicians alike. In this article, we’ll explore the possible reasons why your check engine light is on but no codes are stored. . Not all scan tools can read … Read More