Hello, Techs.

I have Ford E150 which failed California Smogcheck. High NOx.

I found that EGR solenoid doesn't get the signals from ECA. So EGR valve does not open.

I also found a bad TPS and replaced it. Reading was 1.38v at closed throttle. (It should be 0...

FIX posted 6/13/2002

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