No driver wants to see that the check engine light is on in their vehicle. The reason the check engine light is on can range from something as easy to fix as tightening your gas cap to being as troublesome as needing a new catalytic converter. However, in some cases drivers mistake the check engine light for the service required light. The check engine light is typically orange, yellow, or amber, however it differs between manufacturers. Here are five reasons why your check engine light is on.
Why your Check Engine Light is On
Edmunds also points out that the check engine light can come on when there is a change in humidity, but that “the light should go off by itself after a short time.”