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Fuel injection pump 230 SL
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Topic: Fuel injection pump 230 SL (Read 4592 times)
n/a
Guest
Fuel injection pump 230 SL
«
on:
March 25, 2006, 01:43:09 »
My car sat for 4 months...
on starting mixture was very very rich.. black smoke then within 3 minutes the plugs blackened with carbon and engine stalled and would not start..cleaned plugs... same senario...
Assuming pump is stuck or contaminated. can it be cleaned? or must it be overhauled!!
would the workshops specialized in deisel fuel injection pumps be able to clean it. if they dont play around with the adjustments?
I nead help!!
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ja17
Full Member
Platinum
USA, OH, Blacklick
Posts: 7412
Re: Fuel injection pump 230 SL
«
Reply #1 on:
March 25, 2006, 06:24:18 »
Hello arifaat,
The first thing to look at is the "warm up device" on the injection pump it is probably stuck. There are a lot of posts on this subject try to search some up. It is usually easy to diagnose and fairly easy to fix.
Here is what you are looking for. Check back for more information as needed.
b]Download Attachment:
warm up device parts.jpg
50.93 KB
Download Attachment:[/b]
warm up device.jpg
60.1 KB
Diagnose the problem by removing the small round air filter on the injection pump. A skinny 22mm or 19mm wrench is needed. Air should be sucked into the unit when the car is running cold. The air suction should decline and finally stop when the engine approaches warm up.
You can also diagnose the problem without taking the air filter off. Use a rubber hose as a stethoscope and listen for suction noise as the engine warms up. However if the injection pump air filter is plugged you may not hear suction.
Joe Alexander
Blacklick, Ohio
[
«
Last Edit: March 25, 2006, 06:38:55 by ja17
»
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Joe Alexander
Blacklick, Ohio
1969 Dark Olive 280SL
2002 ML55 AMG (tow vehicle)
2002 SLK32 AMG (350 hp)
1982 300TD Wagon turbo 4spd.
1963 404 Mercedes Unimog (Swedish Army)
1989 flu419 Mercedes Unimog (US Army)
1998 E430
1974 450SLC Rally
1965 220SE Finback
George Des
Guest
Re: Fuel injection pump 230 SL
«
Reply #2 on:
March 25, 2006, 07:08:32 »
Joe,
Looks like this is the warm up device for the later style FI pump. The 230SL has the long brass thermostat that is wax filled and very expensive to boot. Too bad though that the thermostats aren't interchangeable because the later one is so much cheaper.
George Des
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lurtch
Full Member
Silver
USA, CA, Santa Rosa
Posts: 374
" ICON 66 "
Re: Fuel injection pump 230 SL
«
Reply #3 on:
March 25, 2006, 16:18:22 »
Hello arifaat - -
After getting befuddled and frustrated one too many times fooling around with it,
I have solved my over rich condition by replacing the WRD with a mechanical adjustment.
Here in sunny California our winters are very mild and so far this has worked well. All I had to do was find the leaned out "sweet spot" by trial and error. Turn the screw in to lean out the mixture - - then tighten the lock nut. I would not recommend trying this unless you have tried every conventional solution first. Regards, Larry in CA
Download Attachment:
WRD-over-ride-device.jpg
34.54 KB
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Larry Hemstreet in N. Cal.
1966 230SL (restored) Met. Anthracite w/ Maroon leather
1981 300TD-T (Concours condition, 86K, GETRAG 5sp.)
1982 300TD-T (parted out)
1986 560SEC (totaled)
1991 300TE (gifted)
1998 E320 (sold)
2004 E320 wagon (gifted)
2008 CLK550 Cabriolet
A Dalton
Guest
Re: Fuel injection pump 230 SL
«
Reply #4 on:
March 25, 2006, 19:54:39 »
Good One , Lurtch..
Now, get a lever on there with a choke cable and you can run it from the cabin....a manual WRD...
«
Last Edit: March 25, 2006, 19:56:55 by A Dalton
»
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ja17
Full Member
Platinum
USA, OH, Blacklick
Posts: 7412
Re: Fuel injection pump 230 SL
«
Reply #5 on:
March 26, 2006, 06:21:48 »
Hello Lurch,
Yes this is definately a nice simple temporary fix for a faulty WRD.
George, yes I assumed lurch had the later configuration.
Joe Alexander
Blacklick, Ohio
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Joe Alexander
Blacklick, Ohio
1969 Dark Olive 280SL
2002 ML55 AMG (tow vehicle)
2002 SLK32 AMG (350 hp)
1982 300TD Wagon turbo 4spd.
1963 404 Mercedes Unimog (Swedish Army)
1989 flu419 Mercedes Unimog (US Army)
1998 E430
1974 450SLC Rally
1965 220SE Finback
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Fuel injection pump 230 SL