Hi there. Check the fuel pressure regulator on the engine. If you are having high fuel pressure on the fuel rail, then the fuel pressure regulator is causing a higher pressure than normal. The fuel pump is designed to pump...
A professional mechanic would require roughly 5 hours. (If just the regulator is replaced that takes about 1 hour). Some parts, as noted below, cannot be re-used, you need a precision inch pound torque wrench, FSM instructions (and TSB updates...
