alright im after some help, my mates s2 has a boosting problem, its standard t3, pace intercooler, chip( i think) exhaust, air filter and thats it we think! it was running 14 psi when he bought it through a bleed valve, so he replaced it with the amal valve and it ran 20 psi and pulled alot harder and ran better, that was a week ago. Its now only holding 10 psi, would it be the actuator spring is given up? its still the standard actuator so i think he could need a -31?

hes checking for boost leaks now and checking play in his turbo! cheers!

 

is the amal valve powered?