Why is my check engine light on? This is a great question that we hear daily. There are literally thousands of different items that can cause the “check engine” or “service engine” light to come on. From a fault as simple as a loose gas cap to an issue as complex as an internal computer fault. The first step to identifying the issue is to bring the car in for a preliminary evaluation. This way we can see what the codes are and then decide what the next course of action should be. Sometimes it’s important to have diagnostics done right away to be sure no further damage is done, other times, it will be safe to continue to drive. It’s always a good idea to get it checked out as soon as possible, especially if your vehicle is not performing in its normal way.