Unfortunately, the project had to suffer due to uncoordinated terms and obstacles that we encountered, i.e. the high-pressure mechanical pump was the major problem, although it has already been replaced by a new one, which was reflected in the loss of power at high RPM.
We replaced the HPFP housing with the new Hitachi model (for the second time), and we also changed the internal HPFP AutoTech kit.
After that, we decided to change the pump in the tank, so we replace it with a pump from the Audi R8 model. Again we encountered a minor problem, i.e. original TT 2.0 TFSI pump had 16A supply and new one LPFP from the Audi R8 required a 40A source. The problem was solved when we received Torqbyte PM3 module. For now everything works fine, we are waiting for a new map, so we'll see after new remap where our borders are.
What we did on the engine, I'll mention again:
New K04 Turbo from the Audi TTS
Forge blow off
Forge cold intake
Forge catch can
S3 injectors
AutoTech HPFP
New Hitachi HPFP
New R8 LPFP LPFP
Torqbyte PM3 module for LPFP
A new fuel high-pressure sensor
A new fuel low-pressure sensor
New 6 bar fuel filter
New RS4 PRV
Wagnertuning TTRS inter cooler
All the pipes around the intercooler
Down pipe
The entire fi76mm exhaust system
In the meantime we also replace old seats with new Recaro CS seats, also we replaced whole interior (carpets, sky, panels, etc.).
