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ASE Engine Repair Practice Test
Multiple Choice
ASE Engine Repair
Multiple Choice Practice Test
Question 1 of 3
96% Get this Question Right
During a compression test, a cylinder has 40% of the specified compression reading. When the tech performs a wet test, the compression reading on this cylinder has 75% of the specified reading. The cause of the low compression reading could be
A
a worn camshaft lobe
B
worn piston rings
C
a burned exhaust valve
D
a bent intake valve
If compression increases during a wet test, this indicates worn piston rings. Compression would not increase if an exhaust valve is burned, intake valve is bent, or camshaft lobe is worn.
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