What could a leak in the fuel pressure regulator or the fuel pump check valve that allows the fuel pressure to slowly bleed down after engine shut down cause?

Question

Quizplus · Accepted Answer

A leak in the fuel pressure regulator or the fuel pump check valve can cause the fuel pressure to drop after the engine is shut down, leading to hard starting because the fuel system needs to build up pressure again before the engine can start properly.

What Could a Leak in the Fuel Pressure Regulator or the Fuel