2003 Toyota Rav4, CAT NOT READY, Problem Solved! Catalyst Replacement

After replacing the thermostat, I solved P0128.    • 2003 Toyota Rav4, Check Engine Lamp, Code ...   But I never got CAT ready. Then, I got P0420/P0430. First I replaced A/F sensors and O2 sensors.    • 2003 Toyota Rav4, Check Engine Lamp CODE P...   I drove over 600 miles, trying many kinds of drive cycles. But CAT never got ready. Then, I got a pending code of P0171. I noticed the long term fuel trim on the bank 1 was too high, so I decided to clean MAF, didn't help. I bought a new MAF.    • 2003 Toyota Rav4, Check Engine Lamp Code P...   The new MAF helped to decrease the bank 1 fuel trim a little bit, but the CAT never got ready even after 230 miles with intentional drive cycles. I also tried 3,000 rpm 3 minutes burn    • This Simple Trick Makes Your Catalyst Moni...   as well as "CATACLEAN"    • Cataclean Review▶️ Catalyst Monitor Not Re...   In this 230 miles of driving, I didn't have P0420/P0430 pending codes. Since my registration due was approaching, I decided to pay for the catalytic converter. In California, I needed to buy a super expensive C.A.R.B compliant one. But finally, this fixed the problem of CAT NOT READY.