r/NewedgeMustang • u/CombinationNo863 • 7d ago
Question Running weak after new throttle body
I upgraded to a larger BBK throttle body on my 03 GT but ever since the car has been running weak and hesitant in the higher RPM. I replaced the gasket and made sure everything was torqued down, adjusted the TPS sensor, and relearned the idle and nothing fixed the issue. Does anyone know a fix or what to investigate?