Originally posted by HoosierContour:
A local tuner is telling me that 02 readings are not an acurate way to tune, while HEGO sensors are. What is you take on that?
He's right. The O2's on your car are pretty worthless away from 0.45 volts, besides as a guide for approximation. A wideband O2 will be accurate at the 12.5:1 range you want to tune to. He's using the wrong terminology (the O2's on our cars are HEGOs), but he has the right idea.
