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Looking for advice on tune please.

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Hesh724

10+ Year Contributor
373
0
Feb 7, 2009
Hopewell, Pennsylvania
I did some boost leak tests and found a few mainly the throttle body. I replaced knock sensor but i am still having symptoms. No knock any more but the car has very little power. It seems like either i am having a spark issue or air flow issue.

i notice airflow and mafraw seem to flatten out while trying to accelerate. i am not very expeireince in reading my stft and ltft yet. But it seems like CombFT is in the negative alot?

thank you,
 

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