Thanks Evil. Good to know one of these things works ok for someone!

I raised instantaneous consumption only because it is just so whacked on my Ultragauge that I suspect that's the problem. The distances actually look pretty right - give or take a % or so. But the economy is almost exactly twice what it should be and twice what I can calculate it to manually.

I did try different settings and so on around fuel type / tank size / cur off etc. None of it seems to make any difference at all.

Everything else on it works great - except the one thing I bought it for....

Quote Originally Posted by the evil twin View Post
I had a Scangauge II on my 07 CRD and it was virtually spot on for fuel, speed, coolant temp, boost etc once calibrated.

IMHO instantaneous fuel is of little value so I didn't use it much at all after first getting an idea of how much throttle meant how much fuel is being injected if that makes sense
This meant I found out that the CRDs (well, mine anyway) like to be driven harder and give better economy if accelerated firmly up to speed and then cruise along rather than Miss Daisy style driving.

When I set mine up it did have a "Diesel A" and a "Diesel B" setting, one gave stupid numbers and the other spot on.
The book said try one and if it doesn't work try the other.
Dunno if the Ultragauge is the same tho