Hi iv currently had the k04 turbo and s3 injectors put on my gti k03, running evolution custom map and the boost spike was 29psi in 5th and 6th gears way too high for cumfort so my tuner managed to get it down to 1.4 bar/20psi only problem now is the boost is dropping off according to him it should be holding 1.2bar/16.5psi but it is only holding 8/13psi.and the Q is why im really hoping som one on here can help.he has checked for boost leak by pressurising it up to check for a leak none found and checked the dv although it was uprated before the conversion,any advice would be very very much appreciated pulling our hair out now lol. loads of thanks in advance.
Dougie
