service engine soon light stays on. on 2004 Buick LeSabre

car seem to run fine

Asked by for the 2004 Buick LeSabre
1 answer
Look here and you'll see there can be hundreds of possibilities for this light to be on: http://repairpal.com/obd-II-code-chart
You'll want to get the codes read out and have a diagnosis performed to know why the light is on.