from RepairPal Test Shop,
April 21, 2010, 09:56
Look here and you'll see there can be hundreds of possibilities: 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.
...interrupter (magnet) may become demagnetized and/or fall off of the camshaft gear causing the Check Engine Light (Service Engine Soon) light to illuminate. On higher mileage vehicles it would be advisable t...