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Cherri

Bank 1 P1133 Sensor

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Hello I have a 99 RX300 with 187,k miles my check engine light came on so I had it tested it gave me a Bank 1 P1133 code, can someone tell me what this means and can I replace this myself, if so where can i find the parts?

Thank you

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Hello I have a 99 RX300 with 187,k miles my check engine light came on so I had it tested it gave me a Bank 1 P1133 code, can someone tell me what this means and can I replace this myself, if so where can i find the parts?

Thank you

The attached document may be helpful in tracking down the problem. Good luck!

SFI (SF) file.pdf

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Hello I have a 99 RX300 with 187,k miles my check engine light came on so I had it tested it gave me a Bank 1 P1133 code, can someone tell me what this means and can I replace this myself, if so where can i find the parts?

Thank you

The attached document may be helpful in tracking down the problem. Good luck!

Joe- since the P1133 code (Lexus specific) says "Air/Fuel ratio sensor circuit response malfunction, bank1, sensor1", I was just curious why you referenced the file that you did?

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