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Something's screwed up, I think. I had just arrived at work this morning after a smooth, potentially awesome segment and went to check on the "current" mileage. (I had been using the gauge functions up until that point.) Just as I click it over to the right screen it struggles, blanks out, and comes back with the dreaded asterisk and a blank "current" display. No problem, Just look at "today" instead. 36.6? That was yesterday's ridiculously bad mileage in the driving rain and wind. Click it over to "tank" and it's 30 miles short! Somehow it dumped its memory of everything I did this morning and, apparently, at least one other trip. But then rather than turning off like normal, it just keeps turning itself off and back on over and over and over again until I uplugged it, which is how it stands now.

I'm irritated that I don't know how I did, but really aggravated that this thing is flaking out after only two months.

Hi Tim:

___It sounds like a call is in order for a new Scan Gauge as that is not normal behavior? The folks at Linear-Logic (Scan Gauge) are really good about service so just give them a call and hopefully they can send a replacement out after they receive yours? On another note … can you say Scan Gauge II please ;) No guarantee’s on that however.

___Good Luck

___Wayne

did you get a * next to your current mileage? hm i had a few calibration mess ups but there's nothing that "defaults" won't solve just remember to set everything again.!

my last fill up there was an error of 2% and now hopefully my next tank should be swell.

Sorry to step on your thread, but my Scanguage is reading way higher than my actual mpg on my Pilot.It read 24 mpg for a 16 mpg tank- and 25,26,27 on 19-20 mpg tanks?
My impression is that you just plug and play when you move from vehicle to vehicle-Prizm/Pilot/Prius-you don't have to do any adjusting.
I have noticed I can correct for speed-bigger tires etc-but if I did that it would be even farther off.
It is almost as if it is reading the fuel pumped to a single cylinder,and it thinks the vehicle is 4 cyl instead of 6 cyl-THE ERROR IS THAT LARGE!!Any ideas what is happening.I bought the Scanguage-from the Scanguage site-in Nov 2005.It works fine on the Prizm(Rebadged Corolla).
Help.Thanks,Charlie

what's vyour version? there's an option to tell , let me know what's the number and maybe i can help.

My SuperMID works just fine and is quite accurate.:D

Sorry to step on your thread, but my Scanguage is reading way higher than my actual mpg on my Pilot.It read 24 mpg for a 16 mpg tank- and 25,26,27 on 19-20 mpg tanks?
My impression is that you just plug and play when you move from vehicle to vehicle-Prizm/Pilot/Prius-you don't have to do any adjusting.
I have noticed I can correct for speed-bigger tires etc-but if I did that it would be even farther off.
It is almost as if it is reading the fuel pumped to a single cylinder,and it thinks the vehicle is 4 cyl instead of 6 cyl-THE ERROR IS THAT LARGE!!Any ideas what is happening.I bought the Scanguage-from the Scanguage site-in Nov 2005.It works fine on the Prizm(Rebadged Corolla).
Help.Thanks,Charlie

I guess you didn't read the manual or instructions. At the very least you have to enter the engine size, so you can't just plug & play. Since the Pilot is a 3.5 liter and the default engine size usually comes up as 3.0 liter, it sounds like perhaps you forgot to do the setup phase? Also you can apply a manual correction. Again, all of this is in the manual.

default that thing
set your engine type
set your tank size
set the fuel type (gas, diesel, hybrid <--- hybrid should be used if you plan to cut your engine)
and set the speed %, try to sync it with your car's odometer as well

any other settings, just sit with it and play with it the manual. Options galore!

AZBrandon-you guessed wrong, but I read it in Nov 2005 .The SC works fine on the other 3 vehicles.I rarely drive the Pilot, so I hadn't really had a chance to check the SG FE vs actual FE.It is almost dead on for the other 3 vehicles.
I changed the engine size at the beginning of the trip.The manual suggests that engine size adj will make it a little more accurate; my reading is waaaay beyond a "little"-more like the SG READING 2 GPH when I am using about 2.8-3 gph.
The manual doesn't really shed any light on the "why" of one sensor being easier to "correctly read" than another.I was really curious about that because some Pilots have horrendous fuel consumption(never better than 17 mpg hy for a sedate married woman on the Pilot forum).She did a "idle relearn" procedure and got a HUGE improvement-40%,for a couple of tanks, and then her Pilot reverted to guzzling form-Hemi Ram mpg(11 city 16 hy). I was wondering if the SG has trouble reading fuel flow, maybe the Pilot's ECU is also having a problem.(her service folks just say"no codes found").There are a few Pilots with this problem-and I'm convinced it isn't the driver.Well,I have run a bit wide.


I going to have to just "tell" the SG it is off-via the fillup/adj procedure. I'll do this later this evening.
I don't care about how much is in the tank etc, so I will just change its reading upward by 25%, and check adj during the trip until I get within about 5 % for 3 fillups.We fillup about every 180 miles, so I'll have plenty of fillups for the adj.The trip is 1495 miles.Thanks,Charlie

Hi Tim:

___I spoke with Ron at Liner-Logic today and he asked that you try the Scan Gauge in another vehicle to see if it exhibits similar behavior. He said he has seen the action you are describing when the OBD-II connector has become slightly loose and the 12V power pin is making intermittent contact.

___Charlie, you have to calibrate the Scan Gauge for each vehicle separately. Relying on the ICE displacement setting in the setup screen only gets you in the ball park even though it is sometimes dead on. After a tank, you have to calibrate it to that particular vehicle and remember that particular setting each and every time you remove and reinstall the Scan Gauge back into that vehicle from another. Since you know the actual offset from your previous tank, enter in the correction in the Setup and you should be set for the drive home. Relying on the ICE displacement in the setup screen alone is at best a close approximation of the actual fuel you are consuming over any given period. In the case of your Pilot, it is further off then the other 3 vehicles you have used it in is all …

___Good Luck

___Wayne

Wayne, thanks. I did just that-gave the Scangauge a 20% adjustment at the start of the trip home. After a couple of tanks,I adj it to 15%, and 15% is very,vety close9close enough so I will leave it there)
After playing with it a bit,I noticed that it does have a Hybrid "setting".Pleasant surprise,I thought I had bought too early-Nov 2005-for that, but I was wrong. I had to go to online scangauge online manual because the actual manual is at home,and I didn't really dig into it much since it was so accurate on the Titan,and Prizm from the get go.
I haven't calculated my trip home mpg yet, but it isn't good-about 21mpg(as usual about 1.5 mpg better that the E to W trip).The "cause" was obvious-my wife drives 78 mpg(one big bonus of the SC is that you can "spy" on your wife and kids driving habits-average speed,max speed,max RPMS, ave mpg etc).I have to confess, I broke down and drove the full speed limit 75 for 600 miles in AZ,NM, about 60 mpg on Hy 287 at night-and 70 mph in Tx La.We also slept for 2 hours with the AC (and ICE) on.This was a 1 gal hit.
The Prius would be great as a trip vehicle-we can sleep with the AC on and probably use just .10gal//hr, since the ice would just cycle on as needed-not run the entire time.I might get a swamp cooler for the next trip.Some of TX,and all of NM,AZ are suitable swamp cooler climates.Thanks,Charlie

default that thing
set your engine type
set your tank size
set the fuel type (gas, diesel, hybrid <--- hybrid should be used if you plan to cut your engine)
and set the speed %, try to sync it with your car's odometer as well

any other settings, just sit with it and play with it the manual. Options galore!

Thanks for that information. I haven't had any noticeable problems yet but I re-set to the Hybrid mode just in case. With my injector cut-off switch this could be handy.