Fixed Boost Leak. Car Stalls @ Idle. Something fouled?

[shinhed]

After installing a GT2781r w/ enthalpy tune, the car ran great. One day, the intercooling pipe came slightly un-done and I drove apprx 20 miles, running rich and shooting black smoke until I realized the problem. I've now fixed the boost leak, changed the plugs and cleaned the maf but now it wants to stall at idle. Could running rich possibly have fouled my o2 sensor or iacv?

[SleepR 240sx]

Is your BOV recirculated?

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IACV my friend. take off the screw and spray carb cleaner in there. its easier if you have 2 people do it, one giving it gas while the other spraying it