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Old 03-02-2012, 12:34 AM   #1
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Scanguage II Fillup Calibration

For those of you using a Scanguage when you use the fillup function for calibrating fuel consumption are you bothering to trickle the last 5 or 6 gallons into the 46 gal tank (if you've got one) or just using the automatic pump shutoff?

I don't really take the extra 10 minutes to fill the tank unless I know I'll be away from snivization for more that 400 miles.
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Old 03-02-2012, 06:44 AM   #2
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Re: Scanguage II Fillup Calibration

I never used the "fillup calibration", but I do recall ScanGauge recommending that you try to fillup at the same pump, in the same manner (e.g. set the pump in the same manner, and let it turn off in the same manner).


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Old 03-02-2012, 06:49 AM   #3
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Re: Scanguage II Fillup Calibration

Quote:
Originally Posted by BroncoHauler
I never used the "fillup calibration", but I do recall ScanGauge recommending that you try to fillup at the same pump, in the same manner (e.g. set the pump in the same manner, and let it turn off in the same manner).

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That is correct!
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Old 03-02-2012, 07:48 AM   #4
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Re: Scanguage II Fillup Calibration

From the ScanGauge manual

• When filling the tank on your second fill-up, try to use the same
pump you used for your first fill-up with the vehicle pointed in the
same direction. If you fill up your fuel tank with your vehicle on an
incline, it can have an effect on the amount of fuel the pump can
dispense into your tank.

• When filling your tank, let the pump shut off automatically.
Do not top off.



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Old 03-02-2012, 09:25 AM   #5
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Re: Scanguage II Fillup Calibration

ok, thanks. I'm going to go plunk down for +$100 worth of diesel right now. I wasn't sure if I'd use this function either but I thought I'd give a try the first time and at least try and get it right.

Funny, getting the gage makes me want to drive and collect a bunch of data.
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Old 03-02-2012, 10:24 AM   #6
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Re: Scanguage II Fillup Calibration

It is not mandatory to fill all the way up.

It is more accurate if you fillup the same every time. When you travel, you must use different pumps with different shutoffs, and still you want to use the FILL UP calibration in your ScanGauge.

What I do, is to only make 1/2 the adjustment each fill up. That is, if the ScanGauge thinks I've used 30.3 gallons and the pump shut off at 27.1 gallons, I will enter a value 1/2 way between the two readings, or, in this case, 28.6 gallons. Over several fillups it becomes quite accurate.

Mike
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Old 03-02-2012, 12:08 PM   #7
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Re: Scanguage II Fillup Calibration

Quote:
Originally Posted by Ford_6L_E350
It is not mandatory to fill all the way up.

It is more accurate if you fillup the same every time. When you travel, you must use different pumps with different shutoffs, and still you want to use the FILL UP calibration in your ScanGauge.

What I do, is to only make 1/2 the adjustment each fill up. That is, if the ScanGauge thinks I've used 30.3 gallons and the pump shut off at 27.1 gallons, I will enter a value 1/2 way between the two readings, or, in this case, 28.6 gallons. Over several fillups it becomes quite accurate.

Mike
Excellent tip. The problem I have is some pumps are so sensitive that they automatically shutoff numerous times even though it's on the slowest tab/setting. So, I don't know when to believe the tank is actually getting close to full. I think it's partly due to the narrow neck leading down to the larger tank.
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Old 03-02-2012, 01:03 PM   #8
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Re: Scanguage II Fillup Calibration

Ford diesels have an issue with filling the tank. It seems diesel fuel 'foams' and the foam comes up the filler and shuts off the fuel flow before the tank is full. The speed of filling affects how much foam and that and the sensitivity of the pump determine the pump shut off.

As I mentioned above, I quit worrying about it. I simply let the pump go full speed and it shuts off when it shuts off. It is only an issue when I need to travel so far that I may be near the bottom of the tank. And so far that issue has never come up.

Mike
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