Which of the following problems could NOT cause the fuel pressure to drops off quickly after the engine and ignition are turned off.

Question

Quizplus · Accepted Answer

A restricted fuel filter would not cause the fuel pressure to drop off quickly after the engine and ignition are turned off. Instead, it would cause a reduction in fuel flow to the engine, potentially leading to performance issues while the engine is running. Leaking injectors, a leaking fuel pump check valve, and a leaking fuel pressure regulator could all lead to a loss of fuel pressure when the engine is turned off.

Which of the Following Problems Could NOT Cause the Fuel