Bluetooth OBD Reader

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jgruberman

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Oct 17, 2015
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Ram Year
2015
Engine
EcoDiesel 3.0L
Does anyone that uses these readers(I have an Android) use the MPG piece? Which is more trustworthy... The readers MPG or the MPG on the dash cluster? They are sometimes the same but not always...

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craigsez

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Location
Novascotia,Canada
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2016
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5.7
The info all comes from the trucks ecu..Its never dead on..Only an educated guess no matter what you use to test range...Best thing to figure it out is the old version of a computer
 

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jgruberman

jgruberman

Senior Member
Joined
Oct 17, 2015
Posts
636
Reaction score
147
Ram Year
2015
Engine
EcoDiesel 3.0L
The info all comes from the trucks ecu..Its never dead on..Only an educated guess no matter what you use to test range...Best thing to figure it out is the old version of a computer
You mean write down the miles I drove and do the math against how much I put in the tank?

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