The max mpg I've achieved while driving down a 5 mile stretch is 150 mpg. Does anyone know if this is the max readout on the odometer? I hit 150 mpg about 2/3 of the way down this decline, so I'm guessing that 150 is the max read-out on the display. BTW, I filled up this morning...9.04 gal over 540 miles for 59.7 mpg.

Goodka,

Welcome to Green Hybrid. Sounds like you're doing great! I've never seen over 150 MPG on my read out. Have you put your mileage in the GH database? Good luck with your new car.

Don
Best tank 67.5 mpg (555.5 mi.)
Best trip 91.5 mpg (42.2 mi.)

Yes, 150mpg is the max that the gauge will display. I once got that reading on a 1 mile downhill section of 30 mph road (resetting the display after I was up to speed). The car had already gone into EV mode and was using no gas.

Eric

150 is the max it will read, but I'm confident that it keeps track of mileage higher than that.

My hydroponics experiment

You ever notice how hard it is to lip read cartoon characters?
"Crazy is what the sane call Delta Flyer"

Maybe not. Maybe when we coast with zero fuel consumption it assumes we're getting 150 MPG, which would explain why everyone gets about 2MPG better by manual calculation than by the odometer.

2006 HCH Alabaster Silver w/Navi
2003 Honda Accord LX

Yes, I put it in the database, and will continue to do so with each fill-up.

I doubt it actually stores an MPG value at all. It probably just logs miles (odometer) and fuel that has been injected as a single value that accumulates. The average would be displayed by simply dividing these two values periodically, and I don't think the simple display can "understand" anything over 150, so any time the calculated average exceeds that, it simply shows 150.

What has usually been found with these things is that they are very precise, but somewhat inaccurate -- meaning they are off by some consistent amount. On the '03 years for example, they are about 10% optimistic. It should be possible to calibrate these however, then they would always be accurate.

The MAX that I've seen on my 1996 Jaguar XJ6 is 99 (wouldn't that be nice to see often!).

Steve

STOP terrorism - Drive a HYBRID

Vehicles:
350 miles a week ------------ 2006 HCH II, Magnetic Pearl, w/NAVI (born on May 25, 2006)
350 miles a month ---------- 2003 Mazda Tribute ES-V6
350 miles a year (for now) - 1986 Mercedes 560SL

No. It doesn't assume 150MPG. See Double-Trinity's post.

My hydroponics experiment

You ever notice how hard it is to lip read cartoon characters?
"Crazy is what the sane call Delta Flyer"

His post begins with "I doubt...". He's guessing just like the rest of us.

2006 HCH Alabaster Silver w/Navi
2003 Honda Accord LX