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Old 05-14-2013, 07:13 PM
Nevadan Nevadan is offline
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Join Date: Jan 2013
Location: Reno, Nevada
Vehicle: 740/745 D24T will be mine again soon
Posts: 253
Default Fuel tank capacity, fuel gauge accuracy 745 Wagon.

I've put 700 miles on my engine with the new head and am very impressed with the power.

One thing that doesn't make sense is the fuel tank capacity in relation to the fuel gauge. I've got a 1985 745 Wagon.

With the gauge needle just into the red portion of the gauge I filled up with 11 1/2 gallons. Does that mean I have 9 1/2 gallons on reserve? Do I really have a 21 gallon tank? What gives?

A 21 gallon tank at 30 mpg should go over 600 miles.
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J.D. in Reno
1958 Mercedes 180D (rebuilding now)
1985 VW Jetta 1.6TD
1985 Volvo 745 Wagon 2.4TD (sold but still maintain it)
1987 VW Quantum Syncro 2.2 (converting to 2.0TD)
1996 TDI Passat
1997 Chevy 3/4 ton 6.5TD
2006 V10 TDI Touareg
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