When your check engine light comes on, it is important to figure out why and get it repaired as soon as possible.  By not getting it repaired, you run the risk of having multiple problems crop up without knowing about them. Your computer continually runs a self diagnostic check, making sure that the car is running properly.  When it sees a problem, the check engine light is signaled to go on.  If it is not repaired, the light will remain on and in some instances, the self diagnostics will not be able to go through the other checks beyond that point.  If this goes on for several months, when you do bring it in for repairs, your technician may not be able to see ay other issues that may have come up after the initial problem occurred.  This can cause some unfortunate circumstances for both you and the technician.  The following is the scenario that usually happens. The technician will access your computer, find the circuit that is showing the failure ... read more