Put on scanner and received code P0133, bank 1 sensor 1. After I replaced that sensor the 'service engine light' came on within 15 minutes of driving. The new code is P0420, which means the bank 1 catalyst is not ... 96 Jeep GC 5.2 P0132 P0133 P0135 P0138 P0141 codesHi, I ...