Year/Make/Model: 2007 Mazdaspeed 3
Mileage: 218k miles
Location: fuckin Arkansas
Concern: intermittent smoking coasting (high vacuum)
DTC's: yes
Modifications: HPFP, Cobb intake, turbo-back catless exhaust, tuned on E42 by Phate
ECU/Tuning Software: Cobb AP
Tuner: Phate
Is the concern...