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Discussion Starter · #1 ·
Hey every one so I was on here researching engine codes I have a 2007 Xterra with 88,xxx miles. I got the codes, but I just don't know where to go from here, the research Ive done all says o2 sensor but i just wanted to bring it up here and see what you all had to say. Any advice on what i should do would be very much appreciated. Also how many o2 sensors are one this year X?

Codes: P1148 closed loop Bank 1

P 0031 heated oxygen sensor, heater control circuit low Bank 1 sensor 1

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