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View Full Version : 97 Saab 900



thedore
05-11-2010, 07:46 PM
My saab has this built in mpg meter. It's one mode of a temperture readout and works well as i can zero it then zero the oddometer and go x miles and read the mpg. It seems to go from 26mpg without hho to 31 mpg with hho
I am generating about 1 LPM at 20 amps.