[W126 Coupe] Re:IDLE AIR VALVE VOLTAGE

[malcolm369 at comcast.net]

RE Scary Dipstick Tube.

Oil won't come out the dipstick tube as its lower end is well above the surface of the sump oil.

Take care of that scalp, will ya! 

 :o)     Malcolm Lee

 -------------- Original message ----------------------
From: "Dan Gardner" <cruftsk9 at tpg.com.au>
> Hi Folks
>     I am still having problems with varying idle speed which can peak at 
> 1000 rpm.
>     I have applied varing voltage (1-12) on the bench and the valve seems to 
> operate fine, on the car at idle the volts while connected are 4.7 cold 
> decreaseing to 4.1 warm .I am sure you guys said that 3 volts was the norm 
> which in theory(4.1) should make the engine idle slower than normal.
>     I had a mad idea, if both exhaust pipe and intake were sealed and 2-3 
> psi of air was introduced into the manifold would that detect any air leaks 
> in the system,or could the oil rise out of the dipstick(scary) if it was not 
> sealed.
>     Any ideas /sugestions gratefully received as not much hair left on my 
> head...........from lots of scratching!
> 
>                                                                              
>         Kind Regards  Dan Gardner   1986 560SEC  220kw  euro
> 
>  
> 
> 
> 
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