Setting idle mixture and testing o2 sensor - '87 190e

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Setting idle mixture and testing o2 sensor - '87 190e

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06-04-2010, 03:05 PM

zhenya

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Join Date: May 2010

Posts: 15

Ok - new sensor is in. Old one was covered in black. Unfortunately, I am still reading 50.6% key on, car off, and not much different when hot and idling. One time I get ~50%, another time I get 95% again.

Any thoughts Doc?

Edit: Voltage at o2 is now 0.49v and doesn't change.

Last edited by zhenya; 06-04-2010 at 03:20 PM.

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