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Old 04-15-2012, 07:49 PM   #29 (permalink)
skyking
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Join Date: Apr 2011
Location: Tacoma WA
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Woody - '96 Dodge Ram 2500 SLT
Team Cummins
90 day: 23.82 mpg (US)

Avion and Woody - '96 Dodge/Avion Ram 2500/5th wheel combo
90 day: 15.1 mpg (US)

TD eye eye eye - '03 Volkswagen Beetle GLS
90 day: 49.05 mpg (US)

Mule - '07 Dodge Ram 3500 ST
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Quote:
Originally Posted by ngrimm View Post
I'm also interested in using an Arduino for this purpose. I am thinking about using a MAF. Since it measures air flow and I know the air to fuel ratio I ought to be able to calclulate the fuel consumed. Any reason it wouldn't work?
Thing is, you don't know the air fuel ratio in a diesel. It can consume and pass through excess air quite readily. Watch your EGTs. When they are low, it is not just because power is low.
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2007 Dodge Ram 3500 SRW 4x4 with 6MT
2003 TDI Beetle
2002 TDI Beetle

currently parked - 1996 Dodge 2500 Cummins Turbodiesel
Custom cab, auto, 3.55 gears
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