Negative learning 1

[Ares3985]

So my car has been running at 0 at learning 1 for a while. It idles are 0 and drives at 0. All of a sudden it is going up to -10 but when I drive it goes to 0. I checked for leaks via smoke test and boost leak tester and got nothing. It actually held the boost leak test better than ever before. My wife band is reading 15.6-15.9 at idle which would suggest its lean at idle. Being lean at idle I’ve read isn’t a bad thing because the engine isn’t under any load but why is my accessport all of a sudden reading weird. The afr on the wideband is the same it’s been since my tune

 

 

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