Toyota Sienna P1135 A/F Sensor???

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Old 09-21-06, 11:28 AM
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Toyota Sienna P1135 A/F Sensor???

My check engine light is on my 2001 Toyota Sienna and when I took it to Auto Zone the scanner said P1135 Air Fuel Metering. From the research I've done, I found this code means the Air Fuel Ratio Sensor in bank 1 sensor 1 is not working. Is that correct?

I am not sure where this sensor is though. Is it in the front of my van or the back? There are so many different O2 sensors/ A/F sensors... front, back, before cat after cat... some sites say 2 sensors are needed. This part costs around $200 and I don't want to get the wrong one... can someone help!

Anna
 
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Old 09-21-06, 06:35 PM
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Bank 1, Sensor 1 O2 sensors are usually BEFORE the catalytic converters. It will be shortly after the exhaust manifold coming out of your motor. Here's a link that "may" help you.

http://www.autoshop101.com/forms/h37.pdf#search=%22bank%201%20sensor%201%20%22

Here's the exact code.

P1135 A/F Sensor Heater Circuit Malfunction (Bank 1 Sensor 1) (Toyota)
 
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