Technician A says that when EGR flow rates are high, the result may be excessively high exhaust temperatures. Technician B says that any time exhaust temperatures are excessively high, the cause must relate the breathing circuit downstream from the engine cylinder. 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 A is correct because high EGR flow rates can lead to excessively high exhaust temperatures. Technician B is incorrect because excessively high exhaust temperatures can be caused by other factors, such as a clogged EGR valve or a faulty turbocharger.

Technician a Says That When EGR Flow Rates Are High