How should a cylinder misfire be checked out on an electronically-controlled fueled diesel engine?
A) sequentially short out each injector by cracking each high pressure pipe
B) remove the exhaust manifold and check for smoke
C) mechanically hold the EUI rocker in its down position
D) use an EST to perform an electronic cylinder cutout test

Question

Quizplus · Accepted Answer

An electronic cylinder cutout test, performed using an Electronic Service Tool (EST), is the correct method for checking a cylinder misfire on an electronically-controlled fueled diesel engine. This method allows for precise diagnostics without physically altering or damaging the engine components.

How Should a Cylinder Misfire Be Checked Out on an Electronically-Controlled