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 ?
203,000miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. CHECK your oil, these cars use it.
Engine Build - Click Here
Last edited by Max Capacity; 10-17-2012 at 01:56 PM..