DTC P0133 - Ho2S No. 1 Slow Response
WARNING: This page is about a different car, the 1996 Suzuki X-90. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Before replacing HO2S No. 1, inspect sensor for contamination. If contamination is present, determine cause and repair before installing NEW HO2S No. 1.
Replace HO2S No. 1. If trouble returns, replace PCM. Retest system.