[W126 Coupe] O2 sensor absent 1992 W126 560SEC - CIS-E guru needed

[Dan Landiss]

Paul Miller wrote:

>my 560SEC W126 1992
>
That's a pretty good trick!

>It does not have cat converters either. ( FROM FACTORY )
>
Perhaps these were not required in Oz? Or perhaps I should ask, "WHOSE 
factory"?

>I suspect this means my CIS-E unit is always in open loop
>
Yep

>Will I need another control unit that knows about the lambda, all are they
>all the same ? 
>  
>
Don't know, you would have to ask a dealer or compare photos or part 
numbers on what you have to what is in the service manuals.

>Where does the 2 pin plug with the 12 volts for the heater part actually get
>its power from,
>
Best I can tell, from the fuel pump relay.

>does the ECU tell it supply power to once it detects a
>lambda sensor present or will I need to add some other connections.
>  
>
See above re: control unit

>1992 560SEC W126
>
Still a good trick!

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