Clearing codes on 2010 altima?

So I was going through my drive cycle and I had a scanner on it. While driving the codes were all getting OKd minus the misc and fuel . I then turned off the car to get a drink and when I came back and restarted it I noticed all the codes went to incomplete again. Anyone know the reason why? Trying to get these OKd... show more So I was going through my drive cycle and I had a scanner on it. While driving the codes were all getting OKd minus the misc and fuel . I then turned off the car to get a drink and when I came back and restarted it I noticed all the codes went to incomplete again. Anyone know the reason why? Trying to get these OKd so I can register the vehicle
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