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Re: OXygen Sensor Light on (archive)
[ Follow Ups ] [ 3-series (E21) Message Board ] [ Msg. Board FAQ ]
Posted by Matt S on December 22, 2000 at 09:38:27:

In Reply to: OXygen Sensor Light on posted by Jess on December 21, 2000 at 18:17:43:


The oxygen sensor light came on (after warmed up ildes and 1500 RPM) what can I do unplug? buy new one? I need help
thanks (83 320is)


There is a mileage counter in line in your speedometer cable that turns the light on every 30,000 miles. Push the button on it and it will reset the light. The light really has nothing to do with the O2 sensors function, it's just a reminder that the sensor may need replacing. In the early days of 02 sensors they didn't expect them to last much more than 30,000 miles, which is the reason they put the light there.

Matt
Maximillian Importing

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