My Emissions light came on in my car...What is wrong?

Question:
I have a 04 Mercury Sable and my emission light came on two days ago. I dont know too much about cars......what is wrong with my car. It still runs fine. Will my car break down?

Answers:

transporting a car! Need quote?

Did you recently put gas in it? If so, try tightening your gas cap. Also, try AutoZone or another type of auto parts store and see if they can scan your ECU. They'll do it for free, whereas a repair shop will charge you $60+ for the service. Of course, the repair shops equipment is a lot better. Hope this helps.

a few questions about driving?

Take it to the dealer. You car is putting out to much pollution than it should.

what will happen if i get caught driving without a license and i.d.?

Check your gas cap, if its not on tight it can set off the warning light. Also the seal can go bad in them sometimes , this is why emissions control department tests them.
It may be a bad O2 sensor or mass air flow sensor or possibly your catalytic converter going out. If you are getting a smell of rotten eggs have your catalytic converter checked out

Does putting yout car in neutral when you stop or while you coast save gas?

Goto your local auto store they will hook up the code reader to your car and read the codes. This will tell you what you need to replace. Usually it is a sensor, oxygen, EGR or tempature sensor, could also be the catalytic convertor, but the code reader (OBDII) will tell you exactly what it is, and get it fixed soon. Driving it with a problem will only hurt it in the long run.
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