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  #1  
Old 10-17-2007, 10:38 PM
Chadahar's Avatar
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Tap on the ICU smartly and see if the RPM changes, if so the ICU probably has problems. That is what mine boiled down to. Either there are Cold solder joints or there is another problem. I kept my old ICU as a "get home" repair if the good one takes a dump and I'm stranded. Same with the old OPR.

Happiness is a MB that'll start and idle like it is supposed to.
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1986 Euro 500SEC "RUF" 9:1CR, "Rose"
1985 Euro 500SEC Cabriolet AMG Widebody
1982 Euro 500SEL "Blue"
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2012 Queensland Red Heeler "Squeak"
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  #2  
Old 10-17-2007, 10:45 PM
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Quote:
Originally Posted by Charlies84380SE View Post
Tap on the ICU smartly and see if the RPM changes, if so the ICU probably has problems. That is what mine boiled down to. Either there are Cold solder joints or there is another problem. I kept my old ICU as a "get home" repair if the good one takes a dump and I'm stranded. Same with the old OPR.


Happiness is a MB that'll start and idle like it is supposed to.

My feeling is with those things
esp if they respond to tapping that
its an electrical connection in the unit

I changed all of my ceramic fuses
I got my old OVR too
New one didn't seem to fix anything
but those things are a sure bet to give some problem after 100K
So a new one is insurance

Mine definitely idles at lights better

I changed alot of old vac hoses
I cahnged the rotor & dis cap
So any of that could & should have helped

I;m also running a bottle of techron cleaner

Yep happiness is a benz purring down the road...
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Last edited by CamelotShadow; 10-18-2007 at 02:12 AM.
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  #3  
Old 10-18-2007, 01:27 AM
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85 500 sec

hey brothers i dont want to sound like a goof but can you descramble your texting of the parts your talking about, the reason is im having these problems myself and if i knew what the parts actually were ,i might be able to check them out, its tough getting old ,thanks in advance
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  #4  
Old 10-18-2007, 02:17 AM
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Originally Posted by melroseparkrags View Post
hey brothers i dont want to sound like a goof but can you descramble your texting of the parts your talking about, the reason is im having these problems myself and if i knew what the parts actually were ,i might be able to check them out, its tough getting old ,thanks in advance

ICV- idle control valve

OVR overload protection relay

TVV themo vacumm valve switch

Yeah, our benzes are not getting older
there getting classic

Good Luck, Bro
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