Pontiac grand am oxygen sensor?

[Don't Peak]

What's the purpose for it?
What's the effects if it goes out?
Kayla sounds like a girl name. Is it a girl. Just got to know what your age is because this is exactly what I was looking for. Thanks.
Dummy me! I should of just read your page and I would of got my answer again.
another man with a plan......
1996 Grand Am SE

 

[melsg5]

oxygen sensor controls air/fuel ratio, check engine light will probably come on if it fails

 

[turbotbird50]

If the sensor doesn't give the correct reading, your car tries to dump in more fuel then is required to make up for it. If it is removed, the car won't run properly, or at all.