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Old 10-25-2003, 07:58 PM
kashbaugh's Avatar
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Join Date: Jun 2003
Location: Stone Mountain, Georgia
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Fuel guage fix needed

The fuel guage on my '83 300TD indicates about 3/8 of a tank _more_ than actual. Luckily I caught it the first time it needed fuel after I bought it!!!

It indicates Full for a _long_ time, too. I know part of that is the magic "bigger half" seen on most all fuel tanks. But at an indicated half-tank it takes 12 gal. to fill up.

Interestingly, I think the Low Fuel Indicator light works in the right condition. Apparantly just the needle section is wrong.

Any way to adjust the reading these needles show?

kma
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Old 10-25-2003, 08:03 PM
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Join Date: Nov 2002
Location: Dallas
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fuel gauge

my 84 300sd would read accurate till abuot a 1/3 of a tank left and then it would get really wacky, bounce, show low, show fuel...

replacing the fuel sending unit behind the rear seat (see Thomaspin's site) did the trick - now it is dead on from "F" to reserve light
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