Title: Perform on-engine inspections on HEUI high-pressure oil supply and control systems.
Course: Diesel Equipment Technology III (20107-III) > Section: Diesel Engines: Servicing the Electronic Fuel Management System

Performance should include

- following manufacturer guidelines for testing HEUI on-engine
- inspecting for oil leaks
- inspecting for wiring harness problems
- determining any needed action.

Process/Skill Questions:

- Why would low injector activation pressure cause a no-start?
- How could a low engine oil level cause a HEUI problem?
- How could improving the weight of the oil have an effect on HEUI injectors?