Problem Caudalimetro Seat Ibiza Year 2001 TDI

Examining that those symptoms most likely it is the denta strap and you have to replace it

Look at the caudalimetro, depending on the use of your hot thread, hot movie or karman vortex, it can give different failures, the flow rate in addition to the flow signal entrusts a spark signal as well as the magnet captor or engine rotation sensor, so your problem lies only in that part, the whistle does not worry, you can not worry about a false air. Silvar del Turvo you recognized it because it appears and disappears according to connects and disconnects. Anyway informed