had code p1401 dpfe sensor high. sensor read 4.0 volts all the time koeo, replaced sensor and it reads about 1 volt koeo which is normal. But code keeps coming back. Here is the question....

It seems that if you drive it and monitor the dpfe signal that it go...

Summary posted 12/11/2008

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle