Engine Defective PIP sensor ?

[Mindseye007]

Well....I installe the WVE pip sensor and now i have to fire, no rpm signal to the megasquirt. So no start. i have try another working tfi module with no succes. Look like the new pip is defective...

Is it possible that dirt on the pip can cause the jumpy tach needle ?

when my rpm needle started jumping like yours does it was my TFI module starting to go bad....after I installed the new TFI no more jumping RPM needle and it fired up and ran smooth.