While diagnosing a diesel engine driveability problem: Technician A says that while the scan tool data is similar to that available for a gasoline engine, all diesel engine troubleshooting procedures are unique. Technician B says a cylinder power balance check can be made by checking the resistance of the engine's glow plugs. Who is correct?

Question

While diagnosing a diesel engine driveability problem: Technician A says that while the scan tool data is similar to that available for a gasoline engine, all diesel engine troubleshooting procedures are unique. Technician B says a cylinder power balance check can be made by checking the resistance of the engine's glow plugs.   Who is correct?

Quizplus · Accepted Answer

Technician A is incorrect because while diesel engines have unique components, many diagnostic procedures are similar to gasoline engines. Technician B is incorrect because a cylinder power balance check is not performed by checking glow plug resistance; it involves measuring the contribution of each cylinder to the engine's power output.

While Diagnosing a Diesel Engine Driveability Problem: Technician a Says