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Path: utzoo!watmath!clyde!bonnie!akgua!sdcsvax!sdcrdcf!trwrb!scgvaxd!kvc
From: kvc@scgvaxd.UUCP (Kevin Carosso)
Newsgroups: net.auto
Subject: Logarithmic fuel gauges...
Message-ID: <232@scgvaxd.UUCP>
Date: Fri, 26-Oct-84 04:37:35 EST
Article-I.D.: scgvaxd.232
Posted: Fri Oct 26 04:37:35 1984
Date-Received: Sun, 28-Oct-84 06:36:01 EST
Distribution: net
Organization: Hughes Aircraft Co., El Segundo, CA
Lines: 28

Here's a problem that seems all too common that I hope someone
has an answer for...

My '79 RX-7 has a really annoying problem with the fuel gauge.
The damn thing reads F when I fill the car up.  Then, the speed
at which the needle moves seems to change as the fuel level
changes.  It starts out moving very fast, and gradually slows
as the level gets lower.   This means that the tank is about 3/4
(or more) full when the needle reads 1/2, about 1/2 full at
1/3, etc...   Unfortunately, this means the needle moves very little
down at the bottom of the gauge and makes it impossible to get
any idea just how much gas there really is in the tank.  I sort
of get around it by knowing about how many miles I have to a tankfull,
but I almost got bit when I didn't get the tank all the way full
at the last stop for gas, and didn't have as many miles as I thought
I did!

Anyway, has anyone else every had a car do this?  Anyone know
an easy way to fix it?  I had a Jag for awhile that was logarithmic
the other way, needle got REAL sensitive down at the bottom of
the tank.  That was nicer, since you did know when you had to
fill up (far too often in the Jag), but I'd still rather have a
linear indicator.

Thanks for any help...

	/Kevin Carosso            scgvaxd!engvax!kvc
	 Hughes Aircraft Co.