I've noticed over the last week and a half or so that I can feel a pulse on the throttle pedal as well as see it move 1-200 RPM on the tac. It seems to be present itself when the rig is cold or when going down a hill and just barely into the throttle. The pedal seem to move on it's own just barely. Any thoughts?

 

Mine is driving me crazy. It has a surge at 45-50 mph, not under power just light pedal. Goes fine if pushing it a little bit. I have changed everything: all sensors, apps, VP. (some things twice), installed DTT filter, check all grounds, installed more ground wires everywhere and had the tranny checked out. I have seen quiet a few others on here with similar problems. I wish I could be of some help but I have not found the answer yet.
Gene007

 

Actually that probably helps more than you give yourself credit for. It tells me not to start reaplcing a bunch of expensive parts in the hopes of making it go away!