[chuck01]

Does this sound like it could be the o2 sensor?
1:engine light comes on and the car runs rough
2:rough idle
3:smell of gas while driving
4:taking more fuel

 

[marti5]

Could also be the MAF, a diagnosis would tell you.

 

[darkhorse737]

Check Engine Light

Does this sound like it could be the o2 sensor?
1:engine light comes on and the car runs rough
2:rough idle
3:smell of gas while driving
4:taking more fuel

It takes computer assistance to fix another computer(yours).

Take away the guesswork and, like the man ^ sez, get the car scanned.

 

[jimoreno]

Or do the "stomp" way to get the code by counting the times the check engine light flashes. Check the Bentley for procedure and code definitions.