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Old 02-03-2010, 11:53 PM   #1
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People with MPGUINO

Hello guys and girls of GasSavers. I just have a question concerning the mpguino http://opengauge.org/mpguino/ . If you have one in your car, how does this thing really work. I believe it shows the mpg on the screen as you drive right. So do you just try to keep the highest MPG on the screen as you drive on the freeway. Example: 55 mph (screen show 47 mpg) 60 mph (screen show 50 mpg) 65 mph ( screen show 46 mpg ) So in this case you would chose to go 60 mph for the best mpg. Any reply would be appreciated. Thanks
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Old 02-03-2010, 11:55 PM   #2
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these people are secure? did you buy via credit card through that site?

im considering getting a scangauge.. are the old ones any good? like scangauge 1?
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Old 02-03-2010, 11:56 PM   #3
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Quote:
Originally Posted by spotaneagle View Post
these people are secure? did you buy via credit card through that site?
I haven't bought one, I was thinking about purchasing one. what do you mean by secure?
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Old 02-04-2010, 12:55 AM   #4
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they have paypal so I guess they're secure.. just curious if they are legit, I know people who have been scammed online before so I get paranoid about these things..
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Old 02-04-2010, 06:15 AM   #5
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If all you're getting is instant MPG, that's useful but additional information can be even more useful. As described in your example, you are correct that you'd choose 60mph there.
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Old 02-04-2010, 12:34 PM   #6
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The MPGuino is mainly for people with pre obdII cars. 1996 and earlier. I think there may be an obdII version now though.

You do have to tap into your wiring harness for an injector lead, a vehicle speed sensor lead and program those values into the unit so it's not plug and play. But then, it's cheap and it's the only thing going for pre obdII vehicles.

It has a variety of screens, not just instant mpg.:

1. "Custom":
| MG Instant MPG | S Instant Speed |
| GH Instant GPH | C Current MPG |
1. "Instant/Current":
| IM Instant MPG | S Instant Speed |
| CM Current MPG | D Current Miles |
2. "Instant/Tank":
| IM Instant MPG | S Instant Speed |
| TM Tank MPG | D Tank Miles |
3. "BIG Instant":
| Instant MPG |
4. "BIG Current":
| Current MPG |
5. "BIG Tank:":
| Tank MPG |
6. "Current":
| MH Current MPH | MG Current MPG |
| MI Current Miles | GA Current Gallons |
7. "Tank":
| MH Tank MPH | MG Tank MPG |
| MI Tank Miles | GA Tank Gallons |
8. "EOC mi/Idle gal":
| CE Current EOC Miles | G Current Idle Gallons |
| TE Tank EOC Miles | G Tank Idle Gallons |
9. "CPU Monitor":
| C% Max %CPU utilization | T Tank run time |
| Free Memory (bytes) |


The scanguage has more features but it's a lot pricier.
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Old 02-04-2010, 05:42 PM   #7
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hmm wow cool. that could be very useful for my truck.

could even custom install it somewhere on the vehicle too.

so does anyone have one?
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Old 02-04-2010, 10:21 PM   #8
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Thanks for the reply everybody, it was very helpful. So there's more to it than just the big MPG on the screen. So since it's pre obdII, will it works on my 92 civic vx?
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Old 02-05-2010, 05:37 AM   #9
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It ought to work on almost any fuel-injected vehicle, whether OBDII or not. The only reason not to use it on OBDII is that your money could be spent better on something like a ScanGauge.
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Old 02-05-2010, 09:18 AM   #10
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I have a MPGuino on my 92 VX. Works great and is very accurate. I made the guino myself so I can't comment on the one you buy. But I did use the program and circuit diagram as supplied on the website.
Using 269113500 for the usec/gallon parameter.
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