Fuel gauge doesnt work?

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91 350SD
14 F150 Eco
19 Fusion Hybrid
11 GT500

The fuel gauge should register when the key is in the run position.

I think the leaking DV seals can allow air to leak back into the IP and cause it to loose its prime. Try priming the heck out of it.

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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine

Well, I tested the glow plugs --- they all seem fine from a resistance reading perspective.

I have her hooked up to a jug of fuel and with a LOT of cranking; she almost started. Time to charge the battery again.

Preliminary findings --- I think I just ran out of fuel as I drove into the garage last night.

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daw_two
Germantown, TN

Links:
Sold last car --- 05/2012 1984 300D Light Ivory, Red interior
No longer selling Cluster Needles Paint
No longer selling New Old Stock (NOS) parts

Past:
3/2008 1986 300SDL "Coda"
04/2010 1965 190D(c) "Ben"
& many more

Got closer ---- I even cracked up an injector line......sheesh. Time to charge the battery again. Have any other w126 owners run out of fuel? HOW much air does get in the system??

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daw_two
Germantown, TN

Links:
Sold last car --- 05/2012 1984 300D Light Ivory, Red interior
No longer selling Cluster Needles Paint
No longer selling New Old Stock (NOS) parts

Past:
3/2008 1986 300SDL "Coda"
04/2010 1965 190D(c) "Ben"
& many more

NOW, I know my problem....

http://www.peachparts.com/Wikka/FuelPrime

I'm not using the correct procedure.

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daw_two
Germantown, TN

Links:
Sold last car --- 05/2012 1984 300D Light Ivory, Red interior
No longer selling Cluster Needles Paint
No longer selling New Old Stock (NOS) parts

Past:
3/2008 1986 300SDL "Coda"
04/2010 1965 190D(c) "Ben"
& many more

He's gone the full route on that. Removing the injectors is usually the last resort but it does offer the benefit of zero compression...........thereby allowing quite a bit more starter time without overheating the starter or killing the battery.

I might agree with this approach on the 603 because they are very difficult to get started after they lose their fuel.

Technically, you need a new set of heat shields when you put the injectors back it. He failed to mention that in the procedure.

Would removing ALL the injector lines at the engine be helpful? Or should I just remove ONE? I'm NOT into removing the injectors...........today.


Good thing, I bought a 1978 240D 4speed earlier this week, huh???

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daw_two
Germantown, TN

Links:
Sold last car --- 05/2012 1984 300D Light Ivory, Red interior
No longer selling Cluster Needles Paint
No longer selling New Old Stock (NOS) parts

Past:
3/2008 1986 300SDL "Coda"
04/2010 1965 190D(c) "Ben"
& many more

You what???????

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Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John

Yeah, yeah, yeah ---- but HOW does one run out of fuel in the garage? Did I run out JUST as I turned off the key? Priming a w126 is a PAIN. I'm not charging the battery for the 3rd time.

Anything else I should check? It cranks and cranks and cranks.....as just as the battery is about ready to die, she coughs. The oil pressure builds as I'm cranking....

Time to fix the fuel gauge, so it works ALL the time. Cluster grounding issue.

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daw_two
Germantown, TN

Links:
Sold last car --- 05/2012 1984 300D Light Ivory, Red interior
No longer selling Cluster Needles Paint
No longer selling New Old Stock (NOS) parts

Past:
3/2008 1986 300SDL "Coda"
04/2010 1965 190D(c) "Ben"
& many more

Looking good my friend!!

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2006 Jetta TDI DSG 320k miles
1997 Ford F150 325k miles 4.2L V6 "Work Truck"
2008 Tundra 225k miles 5.7L
1982 240D.....sold
1984 300D...Totaled OUCH!
1985 300D Turbo 222k miles "Dos" sold to 79Mercy
1986 300SDL 98K miles "The Beater"....sold
1987 190E 2.3 16v Euro spec 115K miles....sold

maybe if you put fuel in the tank and instead of a jug you might get better resaults

If the backup Mercedes Diesel always starts, drive that and get rid of the other one.

Alternatively, get a backup like a Dodge Caravan so you're incented to keep your Mercedes Diesel reliable.

Sixto
87 300D

pontiac aztek ? (probably cheap, too)

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"The law, in its majestic equality, forbids the rich as well as the poor to sleep under bridges, to beg in the streets, and to steal bread."

a box, for me?

When I ran mine out, it was absolutely bone dry so it had air everywhere it could get air. When the folks got there an hour and a half later with about ten gallons of diesel in various containers in the back of the truck, after we refilled mine started the first try. Floored it, held the starter for what my grandfather measured at somewhere between 50 and 60 seconds; the "almost-got-it" sounds started at 45 seconds or so and it was running shortly before 60. The only time I ever ran it out, that was the restart procedure. Never touched a filter or an injector line.

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~Michael S.~
Past cars:

1986 300SDL
1987 300SDL
1982 240D
1982 300SD


Current:

1987 300SDL