The check engine light can be a light that will occur to alert you in the event the oxygen sensor within your engine detects an issue with the amount of unburned oxygen that's passing through your exhaust. - Arbor Auto Works
The check engine light will come on if the gas cap is loose and it is allowing the engine to discharge gasoline fumes to the air, or if the catalytic converter isn't working correctly - which could mean that your engine is producing deadly carbon monoxide. This is a serious issue, and something that could make you or perhaps your passengers very ill whenever they breathe in the fumes during the car for an extended period of time.
It is important that you do not ignore the light if it happens. Sometimes, the issue is minor (and easily fixed) but the light is usually a sign of much more serious problems that could be causing pollution or putting your health at risk.
A good garage are able to quickly run a diagnostic to understand what is wrong in your particular case, and after that advise you on how to repair. There are several components mixed up in successful combustion of fuel and ways to turn that into kinetic energy - and if even one area of the chain breaks down this will cause serious problems. Fixing the matter could be as simple as replacing your spark plugs or whether it's a much bigger job. Because of tool such as OBD II Scanners, a fantastic garage can solve the issue easily, after which fix it for you and acquire you back on the road immediately, confident in the data that your car is safe, environmentally friendly and running and also can be. - Arbor Auto Works