During a Compression Test, a Cylinder Shows Lower Readings Than

During a compression test, a cylinder shows lower readings than expected. Technician A squirts a tablespoon of oil into the cylinder and the compression raises. He says this indicates a problem with the rings. Technician B says a running compression test should be about one-quarter of that of a cranking compression test. Which technician is correct?

A) Technician A
B) Technician B
C) Both technicians
D) Neither technician

Correct Answer:

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