2005 Dodge ram 3500 idles & rev in park but peddle is dead in gear when it starts rolling peddle comes back works fine idle does increase when in gear any ideas only 58000 miles on truck I have changed tourqe converter clutch solenoid tps seams to be working transmission shifts fine throttle work's fine without a load if transfer case is in neutral throttle work's fine in all gears put it back in gear & peddle is dead at a stop if anyone had this happen & what was the fix thanks. No lights no codes