Have you thought about replacing the o-rings between the intake and TGV's ?
Have you done a boost leak test ?
Have you cleaned the MAF sensor ?
174,000+ miles, 5/20/12 new ej257 short block, 8/20/11 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. Also CHECK YOUR OIL, these cars use it.
Last edited by Max Capacity; 10-17-2012 at 12:56 PM..