97 3.2 TL O2 Sensor
I've read that having a bad or dirty O2 sensor can decrease your gas mileage. I'm getting about 20-22mpg on my TL and I'm curious if it should be better or for a V6 engine, if that's normal.
If an O2 sensor would help, is that something that the backyard mechanic can replace or is it more complex than creeping under the car on some jack stands?
If an O2 sensor would help, is that something that the backyard mechanic can replace or is it more complex than creeping under the car on some jack stands?


