p0138

ENGINE/DRIVABILITY Year/Make/Model: 2007 Mazdaspeed 6 GT Mileage: 134,xxx (USDM replacement engine 100,xxx) Location: Wisconsin Cheese Concern: Rough running, hesitation/stutter/stumble DTC's: P2188 / P0138 Modifications: Cobb SF Intake, all else new CS HPFP internals/o-ring, Fidanza flywheel...