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Wales
by Joske Vermeule, September 1
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Forums39
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Jun 14th, 2026
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Joined: May 2011
Posts: 4,896
Drive on the Wild Side Part of the Furniture
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Drive on the Wild Side Part of the Furniture
Joined: May 2011
Posts: 4,896 |
Hi, when I did testing for the new ECU I took measured fill ups with the old ECU and with the new ECU. with the original ECU it was possible to get 32-34 mpg driving very sensibly on a long run, but the norm would be 30-32 in normal traffic conditions. Opening the car up beyond 4000rpm now and again and the mpg would quickly get below 28.
With the new ECU can expect to take 3-4 mpg off the figures above. Also the cars mpg is now much more sensitive to your right foot. I did measured fill ups for 2000 miles and mileage was based on GPS to ensure accuracy, so am pretty confident in this.
Adrian
Buggered Off, to a modern none leaky car, heart's still ticking
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