P0420 + P1135 on Camry V6 01

[vtjkychan]

Hi,

I've read around the threads and didn't really get the straight and specific answer so I'm posting this thread and hopefully I'll get my answer quickly.

So the Camry threw a Cell with both P0420 and P1135. If it was just the P0420, I could be sure that the CAT went bad since it did happen with my car and i took care of it. But with the P1135, I'm suspecting the A/F sensor. But on the camry, there are 3 sensors of such. 1 in the front intake manifold, 1 behind the engine and 1 under the car.

The code said Bank 1 and did not state Sensor 1 or sensor 2.
So which one should I replace? Are the sensors interchangeable? Front Mid Rear, which pair is interchangeable?

I've searched up the part number with toyota website and part number search vs oxygen sensor search came up with 2 different part and prices. The part number I got was 8946741030 = Denso 234-9021, cost $141, while the name search came up with no part number and cost only $101. Both fit the car and both name Oxygen sensor. I'm confused!

Please help!

Thanks in advance!

[csaxon]

P1135 A/F Sensor Heater Circuit Malfunction (Bank1 Sensor 1).

[vtjkychan]

I c, thanks =)
I'll order the part and get to it.

[csaxon]

Try rockauto.com to get Denso 234-9021. It's a site sponsor and has a discount code for 5% off. 35604071499301 was the last code I had> A site search or google may get a newer code.