Why does my check engine light not light up?
Why does my check engine light not light up? If your Check engine light is ON, the easiest way to diagnose this problem is to always check your trouble code memory with an OBD2 scanner. The check engine light will not light up if there is a scheduled service as the service engine soon light. Can a low oil level cause a service engine soon light? Yes, Low engine oil level can cause the service engine soon light to appear on your dashboard on a lot of car models. It can also mean that other low fluid levels are low...