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there are 2 different sensors listed for ths car air fuel ratio sensor or is it a oxygen sensor 2.3 f231a ulev

Vehicle: 1998 honda accord ex 2.3

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HI there

Depending on the code, you will either need the front or upstream O2 sensor which is also called the A/F sensor, or the rear O2 sensor which is the downstream sensor AFTER the catalytic converter. The code will tell you what position on the exhaust the sensor is that you need.

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