check engine light

Try to change the Oxygen Sensor. Could be the problem depending on the mileage.

i dont think there much you can do if it when off couse it could be to many things oxigyn sensor if just one of many things it it the most common but there alot of things it could be you should take it to auto zone they run a free engine check anasis but if it when away you should check it the bulb blew and you acually got an engine check proble take it to autozone the the analisis and theyl give you a trouble code if you got one that means you bulb blew it happens if not your good