Quote:
Originally posted by Bob Blaylock:
The EGRDNHDIS always contains the same number as the EGRUPHDIS, which, of course, means that one or the other will always fail.  I'm sure if there really was a problem, I'd get error codes.
I also get the failure that Bob is talking about. When I run the test, EGRUPHDIS = EGRDNHDIS = 511.3" H20.

But I also get an EGROPEN failure. EGROPEN=89.76% with a maximum limit of 80%. I'm sure that this is a real error, since I am getting codes.

Click here to see the test of my Contour using the Vehicle Explorer Scan Tool.

1996 Contour SE Sedan 4D (Royal Blue)
Duratec V6 2.5L 24-valve DOHC
Automatic
75,000 miles
No Mods (unless you call the DMD a mod)
Replaced EGR valve (gunked up), EVR (EGR VR), PCV valve, and evaporative emissions hose (cracked).