I have changed the 1.0 AER engine of the polo 6n, with the AEE 1.6 engine but you have to change the gearbox, ECU and because the loom is different I went to the 1.4 ECU on the same loom of the 1.0.
but I'm thinking of crossing the MAF and Coolant sensor wiring to accommodate the 1.6 ecu and see...