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

[Dan Landiss]

Paul Miller wrote:

>Other option is to apply a  test voltage ( ie simulated lambda )into the
>connector for the lambda connector and measuring the duty cycle to see it
>alters and hence confirming the ECU is connected to the wiring for the
>lambda sensor. ( I am worried about destroying the ECU with the wrong
>voltage so any advice on how to do this would be appreciated )
>  
>
These charts should help. It looks like if you stay between 0 and 1.0 
volts, you won't hurt anything.
<http://ffp-motorsport.com/tuning/o2meter.php>
<http://www.fordscorpio.co.uk/obd2scan2.htm>

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