Quote:
Originally Posted by Vekke
If you calibrate your scangauge to full P&G technigue it will show correct. I was not able to get correct figures to other/both techniques. So you can calibrate it to what technique you use the most.
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I was doing some P&G where the SG reported very optimistic mileage, and when the tank was filled the mileage ended up worse than constant speeds and coasting. That's the main reason I don't do it, other than it annoys other drivers, and nobody needs to do that.
The traffic I drive varies from day to day, so over the course of two weeks between fill-ups my SG tank mileage will be off by +/-5% or more, so calibration from tank to tank is useless. My driving technique is as constant as it can be. If the silly SG could just figure out how much fuel is being consumed a bit more accurately, it would be a very useful tool. As is, not so much.