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Hi everyone, I have SES code P2A03. I have done some research and possible outcomes are: dirty MAF/MAF is bad Exhaust Leak O2 Sensors the only modification is my exhaust
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05-23-2016, 03:49 PM
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#1 (permalink) |
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Enthusiast Member
Join Date: May 2013
Location: Central NJ
Posts: 412
Drives: 2009 Nissan 370Z
Rep Power: 12  |
SES code P2A03
Hi everyone,
I have SES code P2A03. I have done some research and possible outcomes are: dirty MAF/MAF is bad Exhaust Leak O2 Sensors the only modification is my exhaust : Top speed Pro1. But, I have put the exhaust on the car well over a year ago and just got the code about a week ago. I guess first step would be to clean the MAFs but has anyone had this code with a different issue that I have not mentioned? |
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05-23-2016, 04:03 PM
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#2 (permalink) |
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A True Z Fanatic
Join Date: Jan 2012
Location: Austin
Posts: 14,196
Drives: 2016 Mazda 6
Rep Power: 211844  |
I had this code, as well as multiple others, come up when I swapped back to stock from a full exhaust swap and tune. Turned out that my spark plugs had fouled up and caused the O2 sensors to fail. Needed to swap both sensors and new plugs to get it fixed.
 Car was an 09 with 88k miles.
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Tracie |
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