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coul you tell me the location of the Lexus RX300 A/F sensor heater circuit bank 1 sensor 1?

I need to replace that sensor, I get to codes, P0125 insufficient coolant temperature for closed loop fuel control and P1135 A/F sensor Heater Circuit Bank 1 sensor 1 and want to make sure i make the right replacements.  thank you.
asked Feb 5, 2011 by nansoto (101 points)

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Here is the file with the parts location.

https://www.autocodes.com/uploads/rx300.pdf
answered Feb 5, 2011 by OBDIITech (2,757 points)
I really appreciate your help, thank you very much!
the location of the heated oxygen sensor is underneath the exhaust muffler before the three way catalytic convereter at hte lefdt side of the engine when you are facing on the car.
answered Nov 23, 2011 by jdvs0811 (103 points)

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