2002 Toyota Solara - code 1155 air/fuel sensor heater circuit bank 1 sensor 2 - where is it located?

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CODE PO161 IS REGARDING OXYGEN SENSOR BANK2 SENSOR2 WHICH IT IS LOCATED IN THE BOTTOM RIGHT SIDE OF THE CAT ON THE OUTPUT OF THE CAT.REGARDING CODE P1135 IS FOR AIR FUEL RATIO OXYGEN SENSOR MALFUNCTION BANK1 SENSOR 1. MY OPINION CHANGE THE SENSOR BANK 2 AND RESET THE FAULT USING A SCANNER AND DRIVE IT. I BELIEVE WILL SOLVE THE PROBLEM.

Air/Fuel sensor heater circuit malfunction (Bank 2, Sensor 1). Replace that sensor, disconnect the battery for one minute, reconnect = problem solved.

air fuel sensor heater circuit response malfuction

Bank 2 sensor 1 Air fuel sensor heater circuit. This sensor is NOT an O2 sensor, though it operates like one and in the same location(in exhaust stream). Basically the PCM detected that the heater circuit was drawing excessive amperage or no amperage. Usually it's a bad a/f sensor and replacing it will fix it, however, it doesn't rule out the possibility of damaged wiring or an open in the power or ground circuit, or a short in the power or ground circuit.

Hope helps (remember rated this).

P1135 Air/Fuel Sensor Heater Circuit Response. (Bank 1 Sensor 1) ask any auto parts store what the fix is.

CODE P1135 AIR FUEL RATIO SENSOR HEATER OR CIRCUIT FAULT.THE AIR FUEL SENSOR AHEAD OF THE CATALYTIC CONVERTER.BASICALLY ITS THE UPSTREAM SENSOR LOCATED IN THE EXHAUST MANIFOLD.THIS IS THE PART YOU NEED IT LOOKS LIKE OXYGEN SENSOR .BUT ITS NOT.

That code is specific to the Air-Fuel Ratio (A/F) Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

P1135 Trouble Area:
 Open or short in A/F sensor (bank 1, sensor 1)
 A/F sensor (bank 1, sensor 1) heater
 ECM __________________

Here's what the codes mean:
P1135 Air/Fuel Sensor Heater Circuit Response (Bank 1 Sensor 1)
P1155 Air/Fuel Sensor Heater Circuit. (Bank 1 Sensor 2

This is mainly related to the oxygen sensors. It maybe the sensors themselves or an open wire going to te sensors. They are mainly located on the exhaust pipe. One before and on after the catalytic converter.

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