My check engine light comes on/off. The vehicle is at 150XXX miles but the engine is not (new engine). Vehicle is slugish at times and needs a tune up but this would not call for the engine light coming on. Is this a preset command in the computer? How is this reset.
Check engine light on 1994 Oldsmobile Silhouette
by JenB in Fenton, MO on January 03, 2009
1 answer 1 comment
ANSWER by hemicuda on January 05, 2009
Sounds like a failing oxygen sensor, sometimes weak oxygen sensors will make the check engine light go on and off.
COMMENT by Visitor on September 08, 2010
Also might try cleaning or replacing the Mass Air Flow Sensor
Illumination of the Check Engine Light may be the result of a loose or worn gas cap.
...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...
i have a check engine light on a 2001 oldsmobile silhouette..what could be the problem..
Check engine light remains on no problem with starting or driving.
my service engine light stays on. I have tightened by gas cap (maybe I need a new cap?). Could an additive to my gas make a difference. thanks