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These are direct injected, so they run super lean, like usually in the 13's. 12s-14s are common depending on fuel and level of tune. Look for any large timing pulls. Knock should be at 0, if not you have a an issue. Then look at STFT, short term fueling trims below 1.0 and the ECM is pulling out fuel, greater that 1.0 is adding fuel, I think it maxes at 1.2. Also make sure you are pretty close to your boost target.
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