[MBZ] Uh oh, gettin worse

[rmcmail@speakeasy.net]

I have no technical knowledge of the system - none at all. But logically, it seems to me that the IP bears a relationship to the O ring with the IP exerting pressure and the O ring providing resistance. For example, if you were to remove the O ring altogether, what would happen? It's obvious, isn't it? Therefore, if the O ring is all that it should be, the problem have something to do with inadequate pressure (underperformance) from the IP. Does that make any sense? I might be talking out my ass, but perhaps this may explain the direction your wrench is taking ... or possibly offer a fragment to diagnostics. 
les
boston 

-----Original Message-----
From: Curt Raymond [mailto:curtludwig at yahoo.com]
Sent: Monday, May 1, 2006 06:37 PM
To: 'Diesel List'Subject: [MBZ] Uh oh, gettin worse

So last week I wrote about how my Indy was worried that my 190D had a "weak" cylinder.
Today he calls me and says the more he diddles with the car the worse it runs and the more it points to the IP. He says he took the line from the IP to injector 4 off and cleaned the o-ring and now it wants to run away. This morning when he'd crack the #4 injector previous to the cleaning, it wouldn't dribble much fuel, now it gushes.
He's going to check with a Mercedes friend of his and see if he has any idea but he's basically thinking the IP has issues. Any wisdom from the list would be wonderful.

-Curt
'85 190D "Dory"


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