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Gas mileage calc via OBD-2 paramaters

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Gary

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Sep 1, 2004, 1:27:29 PM9/1/04
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Hello!

I've noticed that some scan tools (that connect through the OBD-2
diagnostic port) have the ability to monitor the current rate of gas
consumption (miles/gal). Does anyone know what OBD-2 parameters (data
such as engine RPM, MAP sensor values etc) are used in the calculation
and how the gas mileage is calculated?

Thanks in advance for any pointers.....

Doc

doc_...@hotmail.com

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