hi, started getting hard to start and stalls on deceleration a couple months ago. Setup was 550/lex afm with safc. Aeromotive Fuel Pressure Regulator, Walbro 255 fuel pump, 3" BIC down pipe, intercooler 18x6x3.5, 3" RSR exhaust, Cometics Metal Head Gasket, ARP Head Studs. Upgraded 57 trim CT...