Technician A says that EHIs are ECM-controlled but are limited by hard value NOPs. Technician B says that EHIs are used with current common rail (CR) and electronic unit injector (EUI) diesel fuel injection systems. Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Technician B is correct because EHIs (Electronic Hydraulic Injectors) are indeed used with current common rail (CR) and electronic unit injector (EUI) diesel fuel injection systems. Technician A is incorrect as EHIs are not limited by hard value NOPs (Nozzle Opening Pressures) since they are electronically controlled.

Technician a Says That EHIs Are ECM-Controlled but Are Limited