My 2002 GTP has been acting squirrely lately.

The car starts then as soon as you hear the loud sucking from the CAI it starts to stumble. I can keep it running if I work the throttle a bit then after 20 to 30 seconds when the loud sucking from the CAI stops it will idle and run just fine.

I replaced the IAC valve, fuel pump, fuel filter, plugs, wires, added a caspers hotwire kit.

No Codes
Ive tried unplugging the maf but it will not stay running.

Thoughts? Ideas? Thanks guys