just intalled STAR Stage 2, car ran good at 9lbs of boost for 2 days. next day can't go past 1/3 throttle. anywhere past that mixture goes all the way lean. anywhere from idle to 1/3 throttle car runs fine. How often does FMU go bad?
JE 8.8:1 pistons Eagle rods stock injectors vortec FMU missing link