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  #1  
Old 01-08-2006, 11:58 AM
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Join Date: Jan 2006
Posts: 2
New to Mercedes World, 1984 380SL

Hi all,
I first want to say...what a great place. I am just starting to work on a Mercedes Project...the car came with the new girlfriend. and its alot different than my 351C in my Cougar.

Here's the deal...when the car gets semi warm the idle will go way up, up so far it the car will do at least 15-20mph on its own without the brake on. I have read other postings and started to check out the Idle control Unit,the airslide, and temp sensor, over voltage regulator and various other electronic components, only all this is new to me.


What is the logical order to check these parts? Which one I do one first and how? And am I missing anything>>

Thanks for all of your help already and I look forward to "hopefully" getting this car in good running condition...not to say it doesn't already, it does but needs a few fixes. I just dont want to screw anything up.

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  #2  
Old 01-08-2006, 12:20 PM
t walgamuth's Avatar
dieselarchitect
 
Join Date: Apr 2005
Location: Lafayette Indiana
Posts: 38,627
i would check

the idle control unit first. it sounds like that is the problem to me.

tom w
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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  #3  
Old 01-08-2006, 05:25 PM
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How do I check it the idle control unit?

Is there a way to check it without buying a new one first?
Thanks
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  #4  
Old 01-08-2006, 07:52 PM
126 Guy
 
Join Date: Sep 2005
Location: Queens, NY
Posts: 523
I think you would have to remove the idle unit and use a volt meter or somthing to test the current going into it
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  #5  
Old 01-08-2006, 10:23 PM
t walgamuth's Avatar
dieselarchitect
 
Join Date: Apr 2005
Location: Lafayette Indiana
Posts: 38,627
i believe it is

possible to disassemble and clean it.

tom w
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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  #6  
Old 01-08-2006, 11:36 PM
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Join Date: May 2001
Location: Northern Va.
Posts: 3,386
Here's a site for you:

http://sl107.com/6/ubb.x?cdra=Y&s=4936035941

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Regards

Warren

Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor

Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL

ENTER > = (HP RPN)

Not part of the in-crowd since 1952.
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