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Sure...

41 is P0134, A/F Sensor (#1) signal stuck lean.
or P1166, A/F Sensor heater circuit malfunction
or P1167, A/F sensor heater system malfunction

67 is P0420, Catalyst System Efficiency below threshold.

If I were you I'd replace my A/F sensor, do it yourself it's easy. Maybe that will correct the CAT code???

HTH
- Jim
 
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