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-   -   W123 help needed! (http://www.peachparts.com/shopforum/showthread.php?t=159088)

Kennygrant 07-20-2006 06:22 PM

W123 help needed!
 
Hi I'm looking for some help/advice/ideas on a problem with my latest project - an '84 W123 280E with mechanical type injection.
The car had been in storage since last year and had been running perfectly up untill then.
The car broke down on the way back from the storage place after about 3 miles, the engine just cut out after pulling away from a junction. I could restart the engine but it was misfiring and would just cut out if I tried to drive after only a few yards.
I replaced the HT leads and spark plugs as they looked a bit old, the rotor and dist cap look like they are in good condition.
I also replaced the fuel filter and put some fresh fuel in the tank with a splash of injector cleaner.
Running seemed to improve slightly and the misfire has pretty much cleared up but the engine is not wanting to rev without coughing and sometimes doesn't rev up at all.
The problem does seem to clear once the engine has fully warmed up.
Has anyone came across a similar problem?
Any advice at all would be great.
Cheers
Kenny

whunter 07-20-2006 08:14 PM

Answer
 
This is common with storage vehicles and trailer queens.:(

The fuel turns to varnish/sludge.:(

Either drain the tank, and fill with new/fresh fuel or fill the tank and drive it a couple hundred miles.


Italian Tune up
http://www.peachparts.com/shopforum/showthread.php?t=84674

Kennygrant 07-21-2006 03:35 PM

Update
 
Quick update - had the car out tonight and it drove good (engine warmed up and tuned). But I pulled in to a petrol station and I could hear the fuel pump making more noise than usual and then the engine cut out. It restarted no hassle and although the pump was still noisier than normal it didn't cut out. Pump on the way out?

whunter 07-21-2006 07:06 PM

Sludge
 
Sludge plugging the fuel screen will do this.
Here are some diesel MB examples of what can happen.

MB diesel filtration, how it works.
http://www.peachparts.com/shopforum/showthread.php?p=1055075#post1055075

Diesel filters, no tank strainers please.
http://www.peachparts.com/shopforum/showthread.php?p=1046422&posted=1#post1046422

I'm baffled and at wit's end!?!?!?!?!
http://www.peachparts.com/shopforum/showthread.php?t=138961

Algae/Fungus fixation...
http://www.peachparts.com/shopforum/showthread.php?t=138733

240D fuel tank removal and cleaning
Good for any W123 sedan.
http://www.peachparts.com/shopforum/showthread.php?p=813925#post813925

Check out this fuel pickup screen
http://www.peachparts.com/shopforum/showthread.php?t=140961

Biobor, what is it, why do I need it???
http://www.peachparts.com/shopforum/showthread.php?p=723857#post723857

Filters, Fungus, Biocide, etc.
http://www.peachparts.com/shopforum/showthread.php?p=823378#post823378

Algae Clogged Filter Pic StarTron WORKS !
http://www.peachparts.com/shopforum/showthread.php?t=138728




PART NUMBER SEARCH RESULTS WITH PRICES
Vehicle 1984 Mercedes Benz 380SE
Part: Fuel Screen
Note: In Tank
E1010-34549 Fuel Screen IN STOCK $20.58

http://catalog.eautopartscatalog.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=1US0YZ0AN1US14LHCF&year=1984&make=MB&model=380-SE-001&category=E&part=Fuel+Screen

Kennygrant 07-22-2006 02:21 AM

Does this happen on petrol models as well?

whunter 07-22-2006 12:32 PM

Sludge
 
Quote:

Originally Posted by Kennygrant
Does this happen on petrol models as well?

Sludge can happen to any fuel system.
Contamination can happen to any fuel system.
Vandalism can happen to any fuel system.


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