6.0 Powerstroke Exhaust Back Pressure Sensor. In this article, i have listed and described the 7.3 exhaust back pressure symptoms to keep an eye on them without much hassle. The computer uses this information to check and optimize turbo and egr (exhaust gas recirculation) function.
We've sold many of these with excellent customer feedback! If there is a voltage reading other than the extremes with it disconnected, something isn't right. The code p0470 is in most cases set due to eaither a bad pressure sensor or actual restricted exhaust.