Need Help!!!!

[krissieboy]

help me please!!! I got a 2003 sportage 2.0i 4x4 . when going up through the gears from 2000rpm to 3000rpm a flat spot appears! any one got a clue??? sensor?? help?? when i go up through the gear's each time i hit 2000rpm to 3000rpm i hit the flat spot from first gear up to 5th gear ! this problem comes and go's can drive for 20/30 miles with no problems then it will appear ! if i play with the two top sensors on top of the engine the problem will go for a short time. if you can help me this would be a great help!!!!!!!!

[kiaracer]

a flat spot on a box? you're probably gonna want to explain exactly what you're talking about because i have no clue and i'm sure no one else is gonna know either. probably why your question hasn't been answered yet/