Need to fix Engine Code P1155. A Google search indicates that's an "A/F sensor heater circuit malfunction" on "Bank 1 Sensor 2."
Hi there. The A/F sensor you are referring to is Toyota's alternate name for an oxygen sensor. It is a likely code to come up for vehicles with accumulating miles. A certified technician can easily verify the cause your Check Engine Light and make the necessary repairs to clear the fault code.
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