Quote:
Originally Posted by myarmar
Jeff, I believe there is nothing wrong with your car. As I suggested before get it scanned with MB scanner or Snap-On. Generic OBD2 scanner can get faults from both ECUs on M120, but It can't read actual values from Left ECU, only values from right ECU are available to your scanner.
Regards, Mike
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Thanks Mike for your thoughts. I do remember you mentioned this line of thinking before, and depending on how you look at this situation, you could come to that conclusion. However, I can read other Bank 2 stuff, just not the Bank 2 Oxygen Sensor. The car runs awesome and the idle is (literally) silky-smooth, suggesting engine management is on par. Yet, none of the ECU ‘Non-Continuous Tests’ get satisfied; they always come up ‘Not Ready’. And both fuel systems still report ‘CL-Fault: Closed Loop, but fault with at least one oxygen sensor’.
Nevertheless, I’ll visit the MB dealership tomorrow and see if they can squeeze me in for a CAN download. Not sure if they will fit me in (Friday, and all), but will try. Thanks again for responding and sharing your thoughts – I do consider them valid and important. Perhaps I’m just ‘too close’ to the problem at the moment.
Cheers,
Jeff