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Downstream oxygen sensor

Where is the downstream oxygen sensor located on my 2002 Toyota RAV4?

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Posted on Jan 02, 2017

  • 360 Answers

SOURCE: Code P1135 for 2002 Toyota Rav4

its the sensor on the drivers side of the exhaust manifold........ it might be an air fuel ratio meter and not an o2 sensor.. good luck jimmy

Posted on Oct 19, 2008

  • 6674 Answers

SOURCE: 1997 Dodge Stratus V6 oxygen sensor location

Upstream, as in ahead of the converter, back toward engine. Start at converter and work your way back, should be on exhaust pipe or even on manifold.

Posted on Jan 11, 2009

  • 101 Answers

SOURCE: Where is the Air Fuel Sensor Located on 1999 Toyota RAV4?

The air fuel ratio sensor is located in the exhaust manifold before the convertor. It looks like a o2 sensor.

Posted on Apr 17, 2009

  • 1985 Answers

SOURCE: problem locating the oxygen sensor for my 2000 Toyota Estima

drivers side ,sensor before converter

Posted on Jan 03, 2010

SOURCE: air fuel sensor heater circuit

air fuel sensor heater circuit response malfuction

Posted on Oct 09, 2010

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If you are refereeing to the downstream or sensor 2 than it is located after the catalytic converter.

Jul 10, 2014 | 1999 Toyota RAV4

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Bank 1 o2 sensor is located in the exhaust manifold up by the motor bank 2 is located downstream futher in front of the cat.converter mounted in the exhaust pipe.

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P0171 just replaced mass air flow

p0171 is system to lean ( bank 1 ). did you turn off check engine light with a scanner! if not go to auto-zone and they will erase it for free, then you can see if light stays off. There could be a vacuum leak downstream of the MAF sensor.
  • Inspect all vacuum and PCV hoses, replace if necessary
  • Check for a dirty fuel filter and proper fuel pressure. Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1. good-day!!
  • Aug 18, 2011 | 2002 Toyota RAV4

    1 Answer


    If single exhaust pipe, look for the bank 1 sensor 2 oxygen sensor to be either stuck into the side of the catalytic converter or just downstream of it.

    If dual exhaust pipes, look for the bank 1 sensor 2 oxygen sensor to be just downstream of the catalytic converter for the bank of cylinders that contain cylinder 1.

    Feb 26, 2011 | Toyota Avalon Cars & Trucks

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    Air fuel sensor heater circuit bank 1 sensor 2 for toyota rav4 2002

    air fuel sensor heater circuit response malfuction

    Sep 30, 2010 | 2002 Toyota RAV4

    3 Answers

    P1155 code for a toyota rav4 2002, engine lite came , took to parts store, put on diognostic machine , this code came up. wat does it mean?

    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).

    Aug 17, 2010 | 2002 Toyota RAV4

    1 Answer

    Location of downstream oxygen sensors

    The downstream o2 sensor is located behind the catalytic converter.

    Feb 02, 2010 | 2002 Chrysler Sebring

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    How to replace a oxygen sensor

    you can go to and look it up or you can get a book on a 2002 Toyota RAV4. you should have a manuar for it anyway. it will save you money.bobg22

    Nov 12, 2009 | 2002 Toyota RAV4

    3 Answers

    Getting code p1135 and p1155 on toyota rav4 2002

    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.

    Apr 15, 2009 | 2002 Toyota RAV4

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