hello there please please help me i have havin some major problems with my boost on a my95 uk turbo when driving it is boosting upto 13psi which is all great fun but if i keep my foot planted to the floor it is dropping to 5psi and less so i ease off and accelerate again and it wont pull for **** ease off and plant me foot again and it boosts back to 13psi and drops off again all on its own has anybody had this problem and if so how did u resolve it please help me

 

First Check boost pipes for leaks, and actuator is working correct etc.