Technician A says weak valve springs can be detected with a vacuum test. Technician B says a restricted exhaust can be detected with a vacuum test. Who is correct?
A)A only
B)B only
C)both A and B
D)neither A nor B

Question

Quizplus · Accepted Answer

Both weak valve springs and a restricted exhaust can indeed be detected with a vacuum test. Weak valve springs can cause fluctuations in vacuum readings, while a restricted exhaust can lead to a decrease in vacuum levels.

Technician a Says Weak Valve Springs Can Be Detected with a Vacuum