Help O2 sensor millivolts
#1
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
On the scanner the mv of the left O2 sensor is all over the place. Ranging from 30's to 900's but the right one is staying in the 470's and barely moves. This does happen to be an old sensor though. I'll change it tonight to see. Is this because the sensor is old and can't read fast enough?