The use of a smoke leak detector is being discussed. Technician A says that a smoke leak detector can be used to find exhaust leaks. Technician B says that to find vacuum leaks, the throttle opening must be blocked off. Who is correct?

Question

Quizplus · Accepted Answer

Both technicians are correct. A smoke leak detector can be used to find exhaust leaks as well as other types of air leaks. To find vacuum leaks, the throttle opening must be blocked off to isolate the vacuum system and allow the smoke to pinpoint the location of the leak.

The Use of a Smoke Leak Detector Is Being Discussed