so i have only had this problem once or twice when i ran my xj on tiny tires but now once i have 30 x 950's i now have this problem left and right going down the road and at stop lights.
my rig is an automatic but it seems to not get any fuel when i press on the gas at a stop and it sputters and feels as if its about to stall.
also once its moving it often goes and the rpms drop and it slows and then randomly while the pedal is still pressed down, it gets the fuel and speeds up.

has anybody had these problems before? ive checked my TPS and its okay but this issue has occurred more after the tire upgrade.

any help at all is greatly appreciated.
thanks.