If you have been driving and your check engine light goes on, should you get worried? Should you continue driving with the light on? The check engine light is an indication that something is amiss with your car. It could be as simple as a loose gas cap or engine problems. Therefore, you should not ignore your engine light just because the car is still running. You may not see an immediate effect, but with time, it may cause severe damage to your car. Reasons Why Your Check Engine Light Goes on Your check engine light could illuminate due to the following reasons: Bad Oxygen Sensor The oxygen sensor tracks the amount of oxygen in your fuel system. It ensures that the engine air-fuel ratio is efficient and balanced. Otherwise, a faulty sensor leads to less air in the engine, causing your car to consume more fuel. It may also damage the catalytic converter and cause a potential spark plug. Faulty Fuel Cap A broken or faulty gas cap causes a leak in the fuel system, making the ... read more