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Old 07-13-2009, 03:08 PM   #51 (permalink)
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I've never programmed an XGuage on my SGII...I just paged through that thread it and looked like Greek to me.

If I wanted to program an XGuage for GPS is there a code I need to enter in the SGII or do you have to actually add hardware to your Prius and then set an XGuage code to capture that info?

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Old 07-13-2009, 03:18 PM   #52 (permalink)
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Its very easy to do. If you page through the scangauge menu, you'll get to a selection for xgauge. You enter that and just start plugging the codes in. It asks for them in the order they are in on the spreadsheet. Once you save them, they pop up in the normal 4 gauge screen just as you'd select a normal gauge. You can do a few other neat things with xgauge like display your trip average on the 4 gauge screen too.
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Old 07-13-2009, 03:42 PM   #53 (permalink)
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I'll try this out tonight with the GPS XGuage and see how it works. My commute home from work is all city driving so I might not get to test it out for a bit...will let you know what I find.

So 16.5 GPS is the magic number?
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Old 07-13-2009, 03:52 PM   #54 (permalink)
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Here is his exact words. It may be a bit more helpful than mine:

Quote:
I would definitely recommend Shm . Try to stay under 60 mph and don't go under 45 mph. I usually try to target 55-60mph for the upper end and between 45-50 for the lower end. Shm is where two SG's really come in handy. I get to my target speed then slowly back off the pedal until I see the Tps get to 18. At this point, the ignition should be around 14-15. Then, continue to watch the gps while backing off the pedal even more and stay at 16.5 or below. After a few seconds of below 16.5 gps, the Tps will drop to 17 (ignition will be 14 by then) and the MPG will shoot up to 90+ and sometimes up to 100+ if there is any downgrade at all. As long as you keep the gps below 16.5 the MPG will stay high all the way to the lower target speed. I generally don't monitor ignition timing anymore as it's not as critical as the Tps and GPS numbers. Shm has gotten me as much as 76.6 from Milwaukee to Wayne's and 70+ from Wayne's to my place in Elkhart.
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Old 07-13-2009, 04:29 PM   #55 (permalink)
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Sounds like somebody needs to build a ThrottleGuino for these. That sounds like a lot of not-watching-the-road to me.
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Old 07-13-2009, 04:55 PM   #56 (permalink)
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Thanks for the info. Daox...certainly a work in progress for me.

I experimented with TPS on that long trip I took back in April but failed miserably (funny how 51 mpg is failure...but it's all relative). But, I also didn't combine it with GPS (was watching IGN).

Will try to set up the Xgauge with GPS tonight and see how it works. Tempted to take a highway run before going home tonight but can't threaten my current mpg (at 63.5 after 425 miles and chasing all-time high of 63.2 mpg). Only 75-100 miles to go on this tank...gotta break my record. Will try GPS after I fill up later in the week!
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Old 07-14-2009, 07:35 AM   #57 (permalink)
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Someone needs to come up with a better TLA than GPS, too! That one's already taken.
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Old 07-14-2009, 09:08 AM   #58 (permalink)
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On the X-guage shortcut sheet it's called Gas Pedal Position which would lead me to believe it should be GPP but the abbrev. they use on that sheet is GPS...?!?
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Old 07-14-2009, 10:33 AM   #59 (permalink)
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Hrm. I missed this. Subscribed!

She looks pretty Daox!
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Old 07-23-2009, 09:56 AM   #60 (permalink)
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Daox,

Looking forward to your updates from HybridFest to see how you made out with getting your SGII updated and if you had some time to use it on the way home.

I've had 4-5 good highway runs using GPS and have found my trip mpg ranges from 61-72 mpg on the highway depending on terrain, traffic, weather, etc.

I've been using GPS in combination with IGN. While I am still trying to hold IGN 14 on the highway the GPS feature helps me fine tune the IGN 14. While the SGII stays at 14 IGN the GPS ticks down from 18 to 17 to 16/16.5 and eventually reads 100+ mpg for as long as I can hold it.

I also installed the GAS (tank % left) Xguage feature and it seems to be consistent with the pips on the gas guage. At 3 pips it ticked down from 30 to 27.5 and when I hit 25 another pip came off to leave me with 2 on the gas guage. While I don't make a regular practice of running below 2 pips I'm going to run this one down to 1 pip to see what the GAS Xguage tells me.

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