Thread: 3FE Pro?
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Old 08-20-2010, 07:49 PM
powderpig's Avatar
powderpig powderpig is offline
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Join Date: Aug 2005
Posts: 1,395

Is it only NOX you are failing, can you post you other numbers as well?

How are the O 2 sensors?
If these are not working or are 80k miles down the pike, they may need to be replaced. I would only go with Denso, NTK or OEM boxed.
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