O2 sensors - Infiniti FX Forum : FX35, FX45 and FX50 Forums
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post #1 of 3 (permalink) Old 07-14-2018, 12:34 PM Thread Starter
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O2 sensors

Has any one have some idea on which o2sensor is fullty in my car
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post #2 of 3 (permalink) Old 07-14-2018, 09:50 PM
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Not being familiar with that particular device, I don't have the foggiest idea but, if that thing gives you stored codes you can likely look up the code on autocodes.com. O2 sensors are common to go bad but you should be getting a specific code for a bad sensor. Here's an example:


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post #3 of 3 (permalink) Old 07-16-2018, 10:45 AM
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The sensors eg O2S11 means bank 1, sensor 1.

Same logic for 12 21 22.

Bank 1 is the side with cylinder 1, sensor 1 is nearest the block
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