dcb - I think I understand the issues with it, but my mileage is varying - I have been thinking of updating my previous posts with pics - I think I will.
On Friday I drove back from St Andrews (aka the home of 'Gowf') to 'Embra' (aka Edinburgh) on back roads and then a motorway for the last 20 miles. The SG2 stated 56 mpg, the on board stated 60 - so they were pretty close.
Of course I still have 300 miles before I fill up and work out which is more accurate...
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[I]So long and thanks for all the fish.[/I]
If you treat the throttle as a switch and don't idle you could possibly get it to be consistent, i.e. either it is floored or off. It turns out that can be a most efficient mode of operation too for TDI.
PS - I don't think this is the most efficient use of a TDI. The BSFC charts kind of assume perfect breathing which is no throttle (which no Diesel has anyway) but also no Turbo...
Plus of course I have a (bloody expensive) clutch to consider.
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[I]So long and thanks for all the fish.[/I]
I believe, that scangauge won't help me to save fuel, because it is already runing on very small amount of fuel. unluckily I don't have on board computer to see those unbelievable figures. So i though maybe scangauge was an option.
Scangauge works just fine on VW diesels. I've found I can get accurate readings immediately after a reset by setting the displacement to 1.4L instead of 1.9L. Even if you don't, you can go through 2 tanks of fuel correcting it each time and it will remain accurate.
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