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Old 12-27-2008, 09:51 AM   #6 (permalink)
cfg83
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1999 Saturn SW2 - '99 Saturn SW2 Wagon
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groar -

Quote:
Originally Posted by groar View Post
If MPG = 10 MPH then GPH = 0.1.

It seams to me a possibility that the ECU signal can't send a lowest value for GPH.

My lowest consumption in my scenic at a steady speed is 2.3L/100 at 70km/h, ie a 1.61L/h = 0.425GPH.
Since last oil change, my consumption while coasting in neutral at idle at 60km/h is 1.2L/100 ie a 0.72L/h = 0.19GPH.

The 61 could also be the lowest value for RPM.

Time to define an OBD3 ?

Denis.
I think GPH is a value computed by the SG1. I do not think it originates from the ECU/PCM of the car.

I have seen 9999 MPG in a diesel Renault Megane sedan when I am in gear and I take my foot off the accelerator (in Brussels on business with my handy SG1).

My thinking is that the "61" is the "lower end noise" of the sensor in my car.

CarloSW2
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