[W126 Coupe] CIS-E Blues - EHA

[Richard Hogarth]

One of the 2 openings in the EHA appears to have an insert in it. 
Does anyone know if that insert is a filter screen insert that can
be removed and cleanedd?
-RPH

  _____  

From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com]
On Behalf Of Robert Karl Stonjek
Sent: Sunday, March 26, 2006 12:52 PM
To: MB Coupes
Subject: Re: [W126 Coupe] CIS-E Blues


Dick,
I didn't test the EZL, the dealer did.  I'll try to get more info from them,
but we won't be holding our collective breaths :)
 
Note that an EZL problem will not go away when one disconnects the EHA,
which trims fuel mixture.
 
Thanks,
Robert
 
> A few more questions.  When you say you've tested the EZL.  Did you pull 
> the cap and read the resistive values for each of the EZL positions to 
> see if it's in spec with the manual?  All of your electrical tests were 
> done at the EZL harness so as to affirm the harness is not suspect as 
> well as the respective sender or device?
> 
> Dick
> 
> Robert Karl Stonjek wrote:
> 
> > > That sounds more like an EZL issue - have you tested the ignition EZL
?
> > >
> > >
> > > talbir
> > >
> > Passed with flying colours (dealer tested).  Besides, the EZL is still 
> > in circuit when the EHA is disconnected, and the car runs fine (but 
> > not as fuel efficient or responsive as it could be).
> >  
> > Unless the EZL can influence the operation of the CIS-E.  As far as 
> > I'm aware, there is only one lead between the CIS-E and the EZL - the 
> > Full Load Input which comes from the Throttle Valve Switch.
> >  
> > Thanks,
> > Robert
> >
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