mine jus stared to do the hard bang shift from 2nd to 3rd ...so I replaced the Throttle Position Sensor http://www.google.com/url?sa=i&sourc...83620155321350 on the front of the motor ..all better now ..oh I disconnected the battery for 1 hour installed the 26 dollar part and reconnected the batt, you see I had this happen before,,they work or dont ...