Po031, po051, po057, po154, po131, po300

SOURCE: diagnsis codes

replace your bank 1 (driver's side) position 1 (pre-convertor) O2 sensor. It probably will be completely black, the p0134, 134 and 1133 are all for that O2 sensor, the P0171 is for lean fuel trim on bank 1, and the p0300 is for a misfire probably caused by the lean fuel mixture.

SOURCE: 97 toy corolla DTC po300 po301 po401 po402

po300 random/multiple cylinder misfire detected po301 cylinder 1misfire detected po401egr flow insufficient po 402egr flow excessive

SOURCE: po128 po131 po300 po463

P0128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
P0131 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)
P0300 Random/Multiple Cylinder Misfire Detected
P0463 Fuel Level Sensor Circuit High input

obd2 code scanner

SOURCE: PO131 PO151 PO154

codes PO131 PO151 PO154 okay. code PO131 - o2 sensor circuit low voltage bank 1 sensor 1. code PO151 - o2 sensor circuit low voltage bank 2 sensor 1. code PO154 - o2 sensor circuit no activity detected bank 2 sensor 1