When looking for root cause of an injector nozzle with its tip blown off which of the following should be checked first?
A) Water in the fuel system
B) Degraded diesel fuel
C) Rail pressure regulator
D) Particulate contamination in fuel

Question

Quizplus · Accepted Answer

Water in the fuel system can cause significant damage to injector nozzles, including causing the tip to blow off, due to the incompressibility of water compared to diesel fuel, leading to abnormally high pressures during the injection process.

When Looking for Root Cause of an Injector Nozzle with Its