Sound like ABS Problem.

[Lentrave]

sometime when i brake at low speed the ABS come on ... i know it by the sensation in the brake pedal ... i brake softly at maybe 5 mph and the ABS come on.. another problem sometime when i start the engine and sift to drive the car act like a truck with a heavy trailer (push in the back) i dont know if is the abs is the problem because if i stop the engine and start it again the problem is gone .... realy wierd! I have a 05 Grand prix base tanks!