Quote Originally Posted by the evil twin View Post
EGR is controlled by TPS not RPM.

I used to drive my 07 CRD thru the gears relatively hard IE give it a bit of welly and changing at 3500 to 3750 give or take.
I find most CRDs like to get up to cruise or speed limit fast then back off and just tonk along.
It easily got the best fuel economy doing this around town rather than driving Miss Daisy which returned crap figures
IMHO if you have a high TPS that probably holds the EGR shut thru the gears as you accelerate.
Well there ya go.
So flat to the floor is better