Hi guys new to the forumn.
Hi ive got a mk5 golf gti 2.0tfsi.
originally it had a cheap map on it which i had taken off and put an apr.
i had forge intercooler
forge dump valve
forge twin air intake filter
miltek turbo back
apr stage 2 map.
Was all driving fine next day went flat,
Brought dv fault .All sorted working fine , after an 1 hour same again went back flat. Took the car back and was rechecked if map was ok. Same problem again its driving me mad.
Someone said could be the pcv valve.
Any ideas guys? would be much appreciated.
Thanks
Mike