In another thread, rmay635703 said:
Quote:
Originally Posted by rmay635703
There is no fuel economy instrumentation available for diesels, unless you use the old manual thing from the 80s.
The scanguage will calculate FE on a diesel once calibrated so long as you drive one speed with one throttle position, deviate a little bit and the thing is WAY off.
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I'd like to ask diesel vehicle owners what kind of instrumentation they're using, given this. My old 2007 Jetta currently has an UltraGauge and I'm a big fan. It would be a shame if I couldn't use it on my new 1999 F250.