Remove the "cold" air intake and put it back together as stock and see if it will run then. As you had the battery disconnected it may need to relearn the idle setting. If it idles fine (which it likely will) you have an issue where turbulence in the air intake is causing bad MAF readings. Air leaks before the MAP will not bother it. Check for a vacuum line or intake leak after the MAF.
Here are a couple questions for you to ponder about the cold air intake systems sold these days: Where is one of the hottest areas on a car? Why would you remove an air intake system that pulls actual cold air from outside that area and replace it with an open filter inside that area? The only thing any of the cold air kits really do is open the intake tract to more dirt and noise.
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Wednesday, January 24th, 2018 AT 12:40 AM