2005 Surging at idle
 

2005 Rondevous 3.4 motor.
Surging at idle, up to 1200, down to 300, up and down until it dies. Also at a stop sign, it'll do it.
if I 2 foot it, it'll be fine, hold idle steady at 700.
New MAF, Fuel Regulator, plugs, wires, coils.
HELP!