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Old 08-01-2010, 11:05 PM   #41 (permalink)
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Join Date: Jul 2009
Location: New York
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no nickname , it's just a car - '04 volkswagen golf tdi
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it is an availible PID is scan data

Originally Posted by Old Tele man View Post buddy has a TDI Jetta with the stock, built-in, dashboard display for MPG, so one has to wonder how the Bosch (?) electronics goes about computing the numbers...if they can do it (MPG) so should others.
my VW Passat with ATQ engine (Variable cam timing V6 ) has that as well
it is an available Parameter ID or PID in scan data
they just have to look up the PID.

not all systems have that

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