What does the MPG / Inst MPG doing on my Dash? That has to get its' info from the OBD system. The trouble I see with this, in by Cobalt is that it Pegs out a 99 MPG.
How about the Scan-gauge?
Then the old but trusty Vacuum gauge?
Do you really really need it? At what cost? When the need gets big enough, and the market is big enough, it will be made.
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