What could happen as a result of 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?

Question

Quizplus · Accepted Answer

A leak in the fuel pressure regulator or the fuel pump check valve can cause a loss of residual fuel pressure in the fuel system when the engine is off, leading to hard starting issues as the fuel system needs to rebuild pressure before the engine can start properly.

What Could Happen as a Result of a Leak in the Fuel