RE: Re: Fuel gauge problems

["Smith, Kirby A" <kirby.a.smith@lmco.com>]

Tom Nas wrote, in response to me:

> Hi Kirby,
> 
> >You need to get a 51 ohm resistor (if I recall correctly) and connect it
> >across the connector at the top of the gas tank in the trunk (boot).
> This
> >is with the connector disconnected from the gas level sensor in the tank.
> >The needle in the gauge in the dashboard should point to the thicker line
> >about 5mm above empty  (I'm not where my Bentley is, so if this is too
> >ambiguous for anyone, I'll look it up and be more explicit.)  The gauge
> is
> >then set via the plastic rod by the gauge that doesn't quite protrude
> from
> >the dash clear plastic window.  Use needlenose pliers to pull the cap and
> >then a tiny Phillips screwdriver to rotate the rod.  If after this a full
> >tank doesn't show full, either your tank sensor is defective, or the
> voltage
> >regulator in the dash is defective.  With the sensor connector
> disconnected
> >and without the 51 ohm resistor, the gauge should show full, I think.
> >
> Thanks! Soooooo... not being the scientific type, I could fill up to the
> brim (fuel pump at the end of my drive, one of the nicer things of living
> next to a dealership) and use that thingy in the dash to set the needle to
> full? I _know_ it's full when the fuel filler neck is full of gas...
> 
> Tom
> 
> 
> Yes, but your "empty" alarm (gas pump symbol in autocheck display)  may go
> off too soon (annoying) or too late (very annoying).  You might try
> setting it to just under the full mark and see how that works.
> 
>                 .... Kirby   (Kirby A. Smith)
>                               2 x 1988 90q
>                           New Hampshire USA
> 
>