[W126 Coupe] FW: Fw: air mass meter or idle speed control issues

[Iain Gunn]

These are the various numbers that list for the OVP relay, the parts number has changed over the years  understand.
Some of these may be the dealer numbers, so long as it looks like the image, you are probably OK

2015400845,  P2056-18124, 201 54008 45
  ----- Original Message ----- 
  From: Sarp Can Akman 
  To: mbcoupes at mbcoupes.com 
  Sent: Monday, June 02, 2008 4:39 PM
  Subject: [W126 Coupe] FW: Fw: air mass meter or idle speed control issues


  igunn 
  I checked my ovp relay .İts not working properly. I have got EPC ı write my VİN number then ı check ovp number. I confused because epc gives me
   A 201 540 37 45 or A 201 540 30 45 but ı swich off my car A 201 540 32 45 which one is correct . :(((

  SaRp CaN Akman




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    From: igunn at bmts.com
    To: mbcoupes at mbcoupes.com
    Date: Sun, 1 Jun 2008 19:00:42 -0400
    Subject: [W126 Coupe] Fw: air mass meter or idle speed control issues




    ASS ABS and 1200 RPM are all symptoms of a faulty OVP, Yes you have the correct one, try tapping on top or side of the relay, don't break the plastic top, while the engine running and see what happens. 
      ----- Original Message ----- 
      From: Sarp Can Akman 
      To: Iain Gunn 
      Sent: Sunday, June 01, 2008 11:40 AM
      Subject: RE: [W126 Coupe] air mass meter or idle speed control issues


      30 minutes ago ı was try to switching out the ovp relay.
      Result . When ı start the engine .turned on ASR ABS attention lamps.But not fixed rpm stuck again 1200 rpm .
      I am adding some picture about ovp relay 



      SaRp CaN Akman





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        From: igunn at bmts.com
        To: mbcoupes at mbcoupes.com
        Date: Sun, 1 Jun 2008 08:04:48 -0400
        Subject: Re: [W126 Coupe] air mass meter or idle speed control issues


        Markus, your picture must be too big, it didn't go though
          ----- Original Message ----- 
          From: Markus Meyer 
          To: Mercedes Coupes Mailing Lists 
          Sent: Sunday, June 01, 2008 7:42 AM
          Subject: Re: [W126 Coupe] air mass meter or idle speed control issues


          Here it is...

          Markus Meyer
          mfm at meyerprobateproperties.com
          www.meyerprobateproperties.com
          Meyer Probate & Properties, LLC
          484-919-9762





            -------- Original Message --------
            Subject: Re: [W126 Coupe] air mass meter or idle speed control issues
            From: 'sarp can' <xxsarpcanxx at hotmail.com>
            Date: Sun, June 01, 2008 7:02 am
            To: ''Mercedes Coupes Mailing Lists'' <mbcoupes at mbcoupes.com>


            Which one the ovp relay.Can you show me Picture ovp realy tanks

            From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com] On Behalf Of Gary Peck
            Sent: Sunday, June 01, 2008 2:37 AM
            To: Mercedes Coupes Mailing Lists
            Subject: Re: [W126 Coupe] air mass meter or idle speed control issues


            Your english is ok, try switching out the ovp relay

            MBGary - Canada
              ----- Original Message ----- 
              From: title=xxsarpcanxx at hotmail.com onclick='return true;Popup.composeWindow('pcompose.php?sendto=xxsarpcanxx%40hotmail.com');; return false;' href='mailto:xxsarpcanxx at hotmail.com' target=_blank mce_href='mailto:xxsarpcanxx at hotmail.com'>Sarp Can Akman 

              To: title=mbcoupes at mbcoupes.com onclick='return true;Popup.composeWindow('pcompose.php?sendto=mbcoupes%40mbcoupes.com');; return false;' href='mailto:mbcoupes at mbcoupes.com' target=_blank mce_href='mailto:mbcoupes at mbcoupes.com'>mbcoupes at mbcoupes.com 
              Sent: Saturday, May 31, 2008 3:07 PM
              Subject: [W126 Coupe] air mass meter or idle speed control issues

              Hi 
              I am sorry ı dont speak english very well ı speak a little .
              I have got 1988 560 sec . I change my airmass meter 1 month ago  İnstalled part moving out  1991 560 SEL and Used but runing good no problem. 
              I have got 2 problem.
              When ı start the engine (engine cold ) My idle speed control unit works good first going 10.000 rpm then some seconds left going to 700 rpm. But when ı push to throttle engine stand to 1200 rpm .((
              How can ı do for this problem .I order new ıdle speed control unit then install problem not fixed .idle control unit runing good . I dont know how can ı check some point 

              tanks I am so sorry to my bad english 


              SaRp CaN Akman

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