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Subject:Re: Fuel Gauge Behavior Changed
From:Dave Mcneely
Date:Tue, 20 Oct 2009 17:07:25 -0400

Well, one thing I don't understanding about the " 'splainin' ," is that
3/4 gone and 1/4 left should be exactly the same thing.  Now why, why,
why would there be a mark for 3/4 gone and a diferent one for 1/4 left?
Just wonderin'.

Dave Mc

On Tue, Oct 20, 2009 at 3:01 PM, David Beierl wrote:

> At 02:58 PM 10/20/2009, Don Hanson wrote:
>> The way it was 'splained to me, and this works for my 84...the first
>> mark is 1/4 tank gone, the second is 1/2 The third is 3/4 and the
>> top of the red zone is 1/4 tank left.  It's not "Reserve" but it's
>> what is considered to be the end of the 'safe' fuel capacity zone
>> from a German Engineer's point of veiw.
>
> The owner's manual is clear that "top of the red" means about 10
> liters (2.64 US Gal, 2.2 Imp Gal)  remain.  If your isn't doing that
> then either gauge is misadjusted or sender (or tank) is bad.
>
>> The spacing on the gauge face and the relative size of the lines has
>> nothing to do with anything that I can see..At first, since the
>> first line is about halfway across the dial and is twice as big as
>> the other white marks, I just thought automatically it was
>> 'half-full'.
>
> Half-full is how the gauge has behaved on both my '84 and '89.  Do
> you really think that der Volks at VDO would put significant-looking
> marks on the gauge for no reason?  We're more used to them putting on
> tiny insignificant-looking marks that are intensely meaningful
>
>>  And I thought the last white line was quarter full, leaving the
>> Red to mean "reserve"...but someone set me straight...
>
> If you consider that "quarter-full" *includes* the reserve, should
> come out somewhere near right.
>
> I think your source is confused, likely by a bad gauge/sender
> combination.
>
> Yrs,
> David