@Loz Great idea!
Your plug terminal 1J0 973 733 has a male counterpart 6 pin plug black which is 1J0 973 833.
The female terminals / male repair wires are: It is much cheaper to buy the terminals than the repair wires unless you are crap at crimping them to wires.
0.5mm 000 979 021 E Male counterpart 000 979 022 E (E signifies tin plated contacts)
0.5mm 000 979 021 EA Male counterpart 000 979 022 EA (EA signifies gold plated contacts)
1.0mm 000 979 133 E Male counterpart 000 979 134 E
1.0mm 000 979 133 EA Male counterpart 000 979 134 EA
2.5mm 000 979 225 E Male counterpart 000 979 226 E
2.5mm 000 979 225 EA Male counterpart 000 979 226 EA
Your plug terminal 8K0 973 702D has a male counterpart 2 pin black which is 1J0 973 802
0.5mm 000 979 025 E
0.5mm 000 979 025 EA
0.5mm 000 979 025 EC (EC signifies silver plated)
0.5mm 000 979 025 FA (FA signifies gold plated contacts with copper galvanised wires)
1.0mm 000 979 150 E
1.0mm 000 979 150 EA
1.0mm 000 979 150 EC
1.5mm 000 979 255 E
Your plug terminal 4F0 973 702 (do you mean fuel temperature sensor? Pressure sensor is a three pin plug). Male counterpart 5Q0 973 802
0.5mm 000 979 034 E/EA/EC Male counterpart 000 035 E/EA/EC
1.0mm 000 979 159 E/EA/EC Male counterpart 000 979 160 E/EA/EC