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2000 ES300 P1150 code

Old 07-28-13, 06:45 PM
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00Lexus
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Question 2000 ES300 P1150 code

I'm getting the P1150 code on my Lexus and need a little help with this code.

I looked it up online which shows:

Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction (Bank 2 Sensor 1)

Can anyone advise what the part # from Denso is for the correct Air/Fuel Ratio sensor for a 2000 Lexus, and where this sensor is located. (if any diagrams?)

I'm not really sure how many oxygen or A/F sensors this car has, are there two Air/Fuel Sensors and 1 oxygen or two oxygen and 1 air/fuel sensor?

Thanks,
Old 07-29-13, 02:25 PM
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Okay I see it is Denso part # 234-9021 for both the front and rear Air/Fuel Ratio sensors.

Does anyone know the part # for the oxygen sensor behind the Cat? All I can read off it is 3120 but cannot make out any other number.
Old 07-31-13, 11:05 AM
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From the Denso website http://www.densoautoparts.com/find-m...icle-selection the exact fit downstream sensor part number is 234-4137.
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