a/f gauge reading rich

[95tsiwhite]

When i first turn my car on in the morning the a/f gauge moves between lean to rich and when im driving and i let off the gas the gauge reads all the way rich. What could be the problem? A friend of mine has the same gauge and his stays in the middle most of the time and doesnt dance around. Could this be because he has a different make of car?

 

[GVR4592]

The problem is that a stock narrrowband O2 sensor can't give an accurate A/F reading. It can only be accurate near 14.7:1, when A/F moves away from 14.7 the gauge becomes worthless.

 

[nuclearpenguin]

The problem is that a stock narrrowband O2 sensor can't give an accurate A/F reading. It can only be accurate near 14.7:1, when A/F moves away from 14.7 the gauge becomes worthless.

Narrowband A/F gauges are a pretty light show...and that's about it.

 

[BC91AWDTalon]

Ive had a AF ratio guage and it hasn't helped me at all except for when letting me know my car is warmed up and ready to drive..

 

[Defiant]

Same answers as always. Closed.