Have you been putting off dealing with your car’s check engine light? Many believe this signal is little more than a small ...

It's not uncommon for the check engine light to turn on after a simple oil change or for it to turn on and off, only to suddenly stop for no apparent reason. Seeing a check engine light can be ...

The check engine light, also known as the malfunction indicator ... Also, make sure the engine is turned off while you're ...

and that will activate the check-engine light. However, note that if you tighten a loose cap, it will take several on-off driving cycles to turn off the light (but that might occur before you have ...

If you leave your fuel cap off or loose (even by half a turn) it can trigger an emissions code in your vehicle’s computer. This, in turn, will cause the computer to turn on your Check Engine light. So ...

One San Diego resident just took to r/AskAMechanic after a suspicious series of events at their local Ford dealership. The ...