Ok I'm running between 7-8psi of boost, It fluctuates, I don't know if it's due to the pressure drop of the intercooler or the boost controller. I can't really tell the difference with boost creep and turbo lag. But at 7-8psi I'm running 95+psi of fuel pressure which HRC reccommends. However when on the highway at full boost I notice my A/F guage reads .96 to .99 when I let off the throttle. But at wot sometimes it reads from .88 to .93. I don't know what to base the a/f mixture on. At wot and full boost or when I let off the gas? This is confusing and a lot of time on 2nd gear I stutter. Sometimes car runs like bat out of hell from a start and other times it stutters on 2nd gear. And that damn hrc fpr fluctuates like mofo, I'm hating it.

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"Tell them of us and say,
For their tomorrow,
We gave our today."
-- The Kohima Epitaph

When you let off the gas, you have lots of fuel but suddenly no air. You will see a rich condition briefly. O2's are measured under load a WOT.

Greg

'19 Genesis G70 3.3t AWD
'88 Chrysler Conquest TSI

Your air/fuel voltage readings of .88-.93V are safe values to have. The air/fuel meter or gauge doesn't necessarily have to be monitored when the engine is not under load, or WOT. For example, when you're at idle or just cruising, the air/fuel voltage will go up and down, which is what you want to see. You'll want to pay close attention to the air/fuel voltage when you're at WOT.

___________
Kon C

"Sometimes, a man has to do what a man has to do."