ANOTHER NEW GUY! Need Help ASAP!
Okay so i have a 1995 mercury cougar. 49K miles, V8. Well I had recently been driving and noticed the CEL came on. I was scared, as this is my baby. I went home, and went to my neighbor's and borrowed his code reader. I plugged it in and i got the message. P0174 system too lean(bank 2). Well I was told it was a oxygen sensor, and i have been looking for a while on the internet and so far have had no answers. Well The thing is, i dont know where the o2 sensor is, and im not sure which sensor it is. I know its on bank 2, but isnt there 2 sensors on there?
I also was wondering if it could be a dirty MAF sensor, if so could someone possbily tell me where this is aswell. The car runs fine, there isnt any hesitation or loss of power it feels like.
I did clear the code, as my neighbor had the same problem in his car, and he said that he cleared it and it has never came back. Well I am asking if this seems like a problem. I mean if anyone one has any information for me it would be greatly appreciated, i am also asking if there are any symptoms to having a bad o2 or anything.
I heard it isnt harmful to the car, its just that i will have a slight change in my mpg.
Thanks in advance!