Code P1135?

VSUB

MEMBER
2002 TOYOTA SIENNA
6 CYL
2WD
AUTOMATIC
127,500 MILES

I get a code P1135 which says bank1 sensor 1. Is that located in the front or the back?

Saturday, March 6th, 2010 AT 10:11 AM

3 Replies

DANNY L

MECHANIC
5,648 POSTS

Hello, I'm Danny.

Here is a tutorial for you to view on how to replace an oxygen sensor:

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

Bank 1 oxygen sensor is located near the firewall on your van. I've attached a picture below of its location and circled in red. Hope this helps and thanks for using 2CarPros.

Image (Click to make bigger)

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Tuesday, December 29th, 2020 AT 1:58 AM

POLESTAR74

MEMBER
1 POST
2000 TOYOTA SIENNA
177,000 MILES

Sienna 2000, code p0171, p1135. Should I order for Denso 234-9007 or 234-9009 part for replacing a/f ratio sensor.

I have Toyota Sienna 2000, V6-2995 3.0 L. Got scanned and diagonosed check enging light. The service center gave report "code p0171 bank 1 lean, p1130 sa/f ratio sensor ckt range performance b1, p1135 a/f ratio sensor heater ckt fault b151, inspected heater circuit, measured resistance and heater is open, spec 0.8-1.6 ohms, must replace sensor"

Now I want to order online for Denso air/fuel ratio sensor but I am confused that, is this the right upstream or left upstream sensor before catalytic which needs replacement? (For Right upstream, Denso has part 234-9009 whereas for left they have part 234-9007). Moreover, which (Denso 234-9007 or 234-9009) will it be replaced with one near firewall or near radiator?

Additional Info: Pacific motors told that the replacement part is 234-9009, but my search on web confused me and is suggesting otherwise. That is teh reason for asking the query.

Thanks

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Tuesday, December 29th, 2020 AT 1:56 PM (Merged)

DRCRANKNWRENCH

MECHANIC
3,380 POSTS

There is some ambiguity with this. I don't have the information for where the A/F ratio pulls its bank signal. It could be one or both.
There is a web site that has a collection of the best retailers on it and I think you might try either using them and go to the site that fits, probably Adavance or Horsepwoer freaks. It is a good site and will be great for consumkers once it is fully running, so if you have time use that.
If not, I would go to www. Rockauto. Com. They have closeouts from good manufacturers that are so cheap you could get both for less than the price of one.
Rmemmber that you will need WD 40 oir PB Blaster to loosen it up and an oxygen sensor socket. Advance probably loans them out for a deposit.

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Tuesday, December 29th, 2020 AT 1:56 PM (Merged)