This, in turn, will cause the computer to turn on your Check Engine light. So, the first thing you should do if your light comes on is stop your vehicle somewhere safe, turn it off, and check your ...

A check-engine light could be a gentle reminder or a sign of something catastrophic. We explain what a malfunction indicator light is and what you can do about it.

Ignore that light and risk higher emissions, lower mpg, reduced power, and severe engine damage Rislone Cat Complete Clears Check Engine Lights Three of the main reasons the check engine light or ...

When your car's oil has just been changed, it should be at its best, right? So why is it that sometimes after an oil change, the check enging light comes on?