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I have a 2005 Nissan Titan 5.6 V8 with a K&N cold air intake and Stillen Long tube headers. While pulling our RV the "check engine light" came one, I checked the code and it was P1168.
I headers and cold air intake have benn installed for over two years, so it shouldn't be anything related to the installation.
Is this an easy fix or will it require major diagnostics? What will happen if I continue to drive? I have already travelled about 100 miles with the light on.

Thanks in advance for your comments

John

Vehicle: Nissan Titan SE 2005

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P1168 Nissan: https://www.autocodes.com/p1168_nissan.html

It's probably just a bad Air/Fuel Ratio Sensor. A bad sensor can cause the engine to run rich, which could eventually damage the catalytic converter. unfortunately it's hard so say how long it will take to damage the cat., could be weeks, months or year, Depending on how you drive.

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