350Z 2005 service engine soon P1148

[Odunn]

I recently took the car in for an oil change. 10 miles after I drove out I got the light. After some research I figured out how to manually get the code. What I'm confused about is if it's the O2 sensor up front which I replaced two years ago or an A/F sensor which I know nothing about. Any help is greatly appreciated.

[evildky]

Looks like that code on an 05 indicated the AF ratio sensor

[BusyBadger]

I think there was a TSB about that code on the Altima & Maxima. Not sure why it never hit the Z though.

[Odunn]

Any idea how to find that tab? I'm having zero luck. I replaced sensor 1 upstream passenger side, now I'm getting a/f sensor 1 code p1279.....

[BusyBadger]

Any idea how to find that tab? I'm having zero luck.

I'm guessing autocorrect changed TSB to "tab".

Anyway...

https://www.autocodes.com/p1148_nissan.html

Keep us posted!