Once the fuel light comes on, how much is generally remaining?

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-Mike

1987 300D (white/blue)
199k+ miles, July 2007
OM603 with #14 head
Powered by BioWillie's B99.9 Biodiesel @ Pearson Fuels

If I remember right, my owners manual for my 81 300TD said the reserve light means there is something like 2.5 or 3 gallons.

I don't know if it is any different for an 87. Someone will though

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thats what mine is... but my light is always on regardless of the amount of fuel in the tank

One thing I've wondered about is whether the reserve light is connected to the same sensor that the gauge is on the 124. Sometimes when my fuel level gets down below 1/4 tank, my gauge will start jumping between 1/4 and R randomly. The reserve light doesn't light when the gauge is reading R which leads me to believe that the light is on a different sensor (or my gauge is messed up and not the sensor). I don't know that I've ever seen it on, but I've never been that seriously low on fuel.

End hijack

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Dale

http://i52.photobucket.com/albums/g1...MG_2277sig.jpg

1990 300D 2.5 Turbo -155k
2000 E430 - 103k
2014 Jeep Grand Cherokee Ecodiesel 4x4 - 11k
2014 VW Passat TDI SE - 7k Bro's Diesel
2006 E320 CDI - 128k Pop's Benz

Pre-glow - A moment of silence in honor of Rudolph Diesel

2.4gal per the manual

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Gone to the dark side

- Jeff

The reserve contacts are on the same sender. They close when the float is physically at the bottom of it's travel.

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Ron Schroeder
'85 300 Turbo Diesel 2 tank WVO
'83 300 Turbo Diesel 2 tank WVO
Some former WVO vehicles since ~1980:
'83 Mercedes 240D
'80 Audi 4000D
'83 ISUZU Pup
'70 SAAB 99 with Kubota diesel
'76 Honda Civic with Kubota diesel
'86 Golf
Several diesel generators
All with 2 tank WVO conversion
LI NY

Yea my 83 300d fuel light stays on regardless of how much diesel? Are you recieveing any false guaging?