I have a 2006 gt I have added charger motion plates,cold air intake,new coil packe flowmaster and a off road x pipe. i added your tune every thing was fine until a few weeks ago the car started going in to limb mode at 2000 rpm i changed pluges ran fine for about a week and now it does it at 4000 rpm with a p061b can you help me out.

 

http://www.modularfords.com/forums/f...e-p061b-64567/

try cleaning your throttle body. it may be getting stuck.