Thread: P2a00 cel
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Old 07-27-2017, 07:40 AM   #1 (permalink)
elhombre
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Join Date: Feb 2016
Location: CT
Posts: 93
Drives: 2009 370z
Rep Power: 145
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Question P2a00 cel

So I got this code pretty much out of nowhere. I checked the freeze frame data and all that I could see that was a little weird was the bank 1 sensor 2 voltage reading. It was at .070 volts, however wideband looked good. Lambda was at 1.012 for sensor 1 and 2. I then drove the car around and monitored the afr and everything looked ok. The car ran completely fine, so I cleared the code. Flashforward about a month and 1130 miles (or 33 hours of run time) and the code came back. Same thing, all the systems looked ok, same bank 1 sensor 1 and 2 readings.

I put intakes on the car, they aren't leaking. The exhaust has new gaskets on it and isn't leaking to the best of my knowledge.

I'm wondering if I will just need a tune.
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