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Old 07-02-2014, 11:30 PM   #25 (permalink)
oldtamiyaphile
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Join Date: May 2009
Location: Australia
Posts: 1,510

UFI - '12 Fiat 500 Twinair
Team Turbocharged!
90 day: 40.3 mpg (US)

Jeep - '05 Jeep Wrangler Renegade
90 day: 18.09 mpg (US)

R32 - '89 Nissan Skyline

STiG - '16 Renault Trafic 140dCi Energy
90 day: 30.12 mpg (US)

Prius - '05 Toyota Prius
Team Toyota
90 day: 50.25 mpg (US)

Premodded - '49 Ford Freighter
90 day: 13.48 mpg (US)

F-117 - '10 Proton Arena GLSi
Pickups
Mitsubishi
90 day: 37.82 mpg (US)

Ralica - '85 Toyota Celica ST
90 day: 25.23 mpg (US)

Sx4 - '07 Suzuki Sx4
90 day: 32.21 mpg (US)

F-117 (2) - '03 Citroen Xsara VTS
90 day: 30.06 mpg (US)
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Does the X-Trail have a throttle plate?

My plateless petrol Fiat is out by a 30% as well, and my TDi changes wildly over each tank from 8%-30% despite being driven in much the same way over much the same roads.

I wonder if changing the engine size parameter rather than cailbration yields more accurate results? On the 2.5TDi I seem to get more accurate readings if I enter 2.0 as the engine capacity and then only add a 1-2% of calibration. Thoughts?
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