Same Question. Not sure if my post hit the forum completely. Want to send it again. Please, Anyone, with expertise, insight, or knowledge. Read the thread Pcosmasc. Car won't accelerate. Car is unable to accelerate. At about 70 mph car begins to lose speed. Pressing on the accelerater (gas pedal) does nothing. The car eventually come to a stand still. 3 x this has happened. Does anyone no what the problem might be. Thank you for your help. (if any) I really appreciate it.