1998 Toyota Sienna with engine code P0155

Question

I have my check engine ON for my 1998 Toyota Sienna, so I scan it, and gives me this code P0155 "Oxygen Sensor Heater Circuit Bank 2 Sensor 1" What should I do?

Answer 1

You must replace the front O2 sensor to fix the problem.

P0155 Toyota Code - O2 Sensor Heater Circuit Bank 2 Sensor 1
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