2001 RAV4 Code P1155 , Help ??????

Question

2001 Rav4 2.0 P1155 Code replaced Bank 2 sensor 1 ,  CEL went out came back on and stays on ?????

Answer 1

HI there,
Start by checking the O2 sensor fuses in the fuse box under the hood. If they all look good, then you may have a problem with the wiring for the sensor or the computer. This will need to be tested to find out.