Year/Make/Model: 2008 Mazdaspeed3
Mileage: 108k
Location: WI
Concern: Fuel pressure drops to in-tank pump pressure while driving
DTC's: None
Modifications: Autotech HPFP internals
ECU/Tuning Software: Accessport V1 (used only for datalogging when in need)
Tuner: Stock
Is the concern...