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O2 Sensor Monitor - Incomplete C70 1998

posted by  RepairmanJackal on  Mon Mar 15 10:19 CST 2010
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last visit: Tue Jun 10 09:52 CST 2014
[RELATED]

My emission system is still not ready, but I know what to do to complete the drive cycle. However, I can't do that until my O2 sensor monitor finally clicks to "ready"

What do I need to do to get this one to click over? I've put a LOT of miles on the car and a lot of starts. So far this one last system refuses to set.

There are no codes set or pending.

I put over 3.5 hours of driving on the car to get the Evap system to set last Friday. The secondary air system finally set today - after a presumed number of cold starts.

The O2 Monitor should have set with all that driving, but it's stubbornly doing nothing... Although the 02 sensor heater finished some time ago.

Any advice here? I'm guessing I need to let the car run for a *long* time. Can I let it idle? That's about the only thing I haven't tried so far.






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