Home › Forums › Products › Stompboxes › Help With TF Expression Pedal Please! › Reply To: Help With TF Expression Pedal Please! January 27, 2008 at 2:10 pm #116860 wesParticipant I also have a problem w/ my line6 exp. It will only change a pedal up to 76% of its potential. Does anyone know how to fix this?Thanks!