WIFE BACKING OUT OF DRIVEWAY. PUSHING DOWN ON ACCELERATOR FOR ABOUT AN INCH OR MORE NO INCREASE IN RPMS. WHEN SHE PUSHED DOWN ENOUGH TO MAKE IT MOVE THEN IT LURCHED AND HIT A PICKUP PARKED ACROSS THE STREET. NO DAMAGE TO THE TRUCK BUT I HAD TO REPLACE THE REAR BUMPER ON THE CAMRY. *TR