Title: Perform a cylinder compression test.
Course: Diesel Equipment Technology III (20107-III) > Section: Diesel Engines: Servicing the Electronic Fuel Management System

Performance should include

- using electronic service tools
- following manufacturer guidelines for checking the relative compression of each cylinder.

ASE 2: I. Diesel Engines: J. Drivability and Electronic Engine Controls (P-3)

Process/Skill Questions:

- What is the purpose of running a cylinder contribution test?
- What might cause one cylinder to have lower compression than the other cylinders?