Si el auto camina bueno, no tienes que hacer nada. Y no cuesta nada. La luz es por la "smog" sistema.
If a check engine light is flashing that means an engine cylinder misfire has been detected
cant you need a scanner to check codes from 1996 and newer
it probably needs an O2 sensor they range from about 40-90 dollars
camshaft sensor - signal low could be that or check the wiring to it. Other possibilities MAF or TPS
Take to a qualified mechanic for a diagnostic
check if your battery is low than usual ..might be alternator problem
how to check fuse for horn in a 1998 Pontiac sunfire
You could be having a problem with your spark plugs and your dashboard is alerting you. You should have a mechanic check it out.
Check Alldata.com
You mileage will vary dependent on the condition of your car, your driving habits and which engine/transmission you have. Check the web site below for exact specs. http://consumerguideauto.howstuffworks.com/1995-to-2005-pontiac-sunfire-6.htm
check the wire harness that connects to the engine block, on the back
Probably not. The o2 sensor will become very confused! FriPilot