Location Of O2 Sensor On Rav 4.2

[Calligrapher]

I have been advised by Lister Toyota that the fault code found on my RAV indicated that Bank 2 sensor 1 has failed. After paying them £50 to be told that, they now want £300 to fit a new one. Having obtained a replacement for so much less from another, reputable, source, I now need to know where the offending article is to be able to change it myself. Can anyone tell me whereabouts it sits, please?

Trevor

[bondy]

if u look just under the rear sway bar you should find it.

[shutty]

Some have 2 sensors some have 4, By the sound of it yours has 4

They are / can be very very difficult to remove without stripping the threads on the manifold leading to a potential 4 sensors and new manifold

Dont rush into it, Get advice on here first and it may be worth considering dealer to fit

[pmb]

Blimey , it's gone up again. Usually 250 from Mr T. The sensor ones are the top two and therefore the sensor twos the bottom two. Bank 1 are passenger side and B2 drivers side. So it should be the top left as you look into the engine bay. If you have a multimeter you may find the resistance between the white wires has gone o/c. It is the heater circuit and a common fault. Have a search on this and the Avensis forum. As Shutty says , if a sensor cannot be removed without more damage then it could cost much more. You can buy a spanner with a cutout for the wire to pass through and a cheap OBDII reader to diagnose the fault , again have a search on here.

[Wudzy]

Hi Trevor,

Just changed my A/F Sensor after intermittent engine management light being on for a couple of days then off and even shorter gaps.

The scan code was 1155 which is the top left sensor looking into the engine bay.

Glad I did not read that it may strip the threads as I may not have attempted to change it.

I thought it may be a beast as to the position right on the O/L of the manifold so I took the heat shield off then took her for a short run on the motorway to get it hot. Then with a pair of oven gloves on using an old imperial open jaw spanner managed with not too much effort to loosen it.....let it cool down and then replaced it...

For any other unlucky folk with the same code the following may help..

I purchased the replacement Denso sensor Part No 89467 42020 from E,,y in the US and paid £92.00 (when $2 to the pound)

came with a sachet of copper slip.

The above is for the 4.2 fitted with four senors, two precat and two post cat.

Hope it helps

cheers

John

[Calligrapher]

Thanks for all the help. Just received the new sensor. The code is given as 1155 so I will ask the very kind person who is going to do the job for me tomorrow to look just where you have all said.

I haven't got enough confidence to tackle the job myself, particularly in view of the scary bit about possibly doing the cat in if I go in too heavy handed.

Thanks to the wondrous fountain of knowledge that is this forum.

Trevor

[Bodgit-fixit-run]

I have been advised by Lister Toyota that the fault code found on my RAV indicated that Bank 2 sensor 1 has failed. After paying them £50 to be told that, ..........

You could have bought a fault code reader for that price from Argos. You could then do your own tests and save a fortune at £50 per test. Effective any subsequent tests would be free.