hello, i wasn't sure where to put this because i am not sure what is wrong. i was driving on the highway yesterday with my 2006 trailblazer 4.2 6cy 4x4. when i lost power in the acceleration. the rpm's were spiked and the engine was moving, but the car was not accelerating, it was idling along...

Hi, I need your help badly. I have taken the car to various mechanics and they can't find a problem, nothing comes up on the computer. The problem is that when I am driving at over 50 MPH and I lightly step on the gas pedal, the car hesitates/transmission slips/doesn't engage. This problem...