A running compression test is being performed. Technician A says a low reading could be caused by a worn camshaft lobe. Technician B says low reading could be caused by an excessively worn lifter. Who is correct?
A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Both Technician A and B are correct. A worn camshaft lobe can result in low compression in one or more cylinders. Similarly, an excessively worn lifter can also cause low compression in a cylinder.

A Running Compression Test Is Being Performed