can anyone give me some help plz......
my 1999 apy s3 is only boosting 10psi all the time it dont pull anywhere like it used to and its doing my head in!!! although it dose boost to around a bar when in a high gear going up a hill!!!??
heres what iv checked:
falt codes= clear
maf been unpluged no change,
checked for leaks
had n75 j but changed it for the original f version.
turbo and wastegate fine
not been mapped..
anyone any ideas????????
if this helps it goes to exactly 10psi in each gear every time under acceleration