Common Causes for a Check Engine Light: 1. Loose Gas Cap Something as benign as a loose gas cap can trigger your Check Engine light. That’s because the most common reason for a Check Engine light is ...

Whether your check engine light is blinking or steadily on, it's not a great sign. But do these two light patterns mean ...

When your vehicle's check engine light (CEL) comes on, it's often a sign that something needs attention. But with over 20,000 ...

Although most check-engine malfunctions will require a code reader to diagnose, something simple to try is to make sure your gas cap is tightened — particularly if the light came on just after ...

you could just have to reckon with a loose or damaged gas cap, an issue with the evaporative emissions control system, or a failing oxygen or airflow sensor causing the check engine light to ...

an ill-fitting gas cap, or a worn solenoid. Or it could mean something far more serious is wrong in the heart of the engine itself. If the check-engine light illuminates while you're driving and ...