Help (Codes 39-41)

I don't know if the sensors are the same as our 3.8 SC. Well I have an 89 Taurus 3.0. I found these 2 codes 39 and 41. Can anyone give me any info. on this, and what it could be. Thanks

I think code one has to do with overdrive, and the other the Ho2 sensor. Does this ring a bell, anyone?

39 isn't a valid code for the SC. 41 is common among the EEC-IV units with Oxy Sensors. It says either HEGO sensor lean or HEGO circuit not switching. Depending on if in the Continuious memory test or the Running test.

I found 39 at http://www.ford-trucks.com/forums/archive/topic/131256.html

Automatic overdrive circuit failure (transmission failure)

Oh, and that's the right oxy sensor.