TPS Galloper Santamo

Hello estimated, I tell you, my Galloper Santamo sticks some heads when I release the accelerator (in any march) this happens when it reaches the top of the pedal.
They have told me that it is the TPS sensor, well I have bought it. The query is the following, it is necessary to connect the Scaner to make the change?
or I can change it and now.
I await your comments, hugs.

Hello, look, I recommend that if you buy spare parts for the form of adibinance, the diagnosis will not be very accurate but if you will be very close if your vehicle is v6 for being a gallper or 2.5 diesel engine with turbo I recommend that you disconnect the battery before intervenes any action of disconnecting a sensor fix well in the positions by regulations that you should make remember that not all the sensors are fixed Regulations in Giro degrees, well look good if possible Mark it with ul lapiz and take it out then replace it with the new Marcelo says goodbye