CEL code: P2A00 er

gaveup

Recently just got this code throw a few weeks ago. I had an exhaust leak at the time (invidia issues) and got it all fixed up. Took it to a shop to verify no leaks and all was well. Cleared the code and about a month later it came back.

I've read as much as I could on the P2A00 code on these forums, but it seems no one has any definite fix or reasoning to why it happens. Seems this code comes in pairs with P2A03, but I have not had that thrown at all. I've checked my afr that the wideband in the car sees while driving and everything looks pretty normal.

Anyone have any idea or fixes that have worked for it? Test pipes have a J bend on them and have never thrown a code before (although, that could be due to my tuner shutting them off and all).

Mods are in my signature. Car seems to be running fine based on any of the logs I have seen.

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2010 Magnetic Black Metallic 370Z 6M
stillen gen 3 CAI - topspeed test pipes - invidia gemini CBE - UpRev tune
301whp (HP Logic Mustang Dyno)