ASE A1 - Practice Test (Section A) Questions and Answers
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Course
ASE
Institution
ASE
ASE A1 - Practice Test (Section A)
Questions and Answers
1. an engine miss is being diagnosed using a cylinder leakage test. Technician A says that any
cylinder with over 20% leakage has excessive leakage. Tech B says that air leaking from the
tailpipe indicates a cracked cylinder.
A only
B o...
23. 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
worn piston rings
a burned exhaust valve
a bent intake valve
a worn camshaft lobe - Answer✔✔-worn piston rings
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.
35. the customer complains that the engine cranks but does not start; the first thing to check
should be
valve train operation
battery voltage
compression
engine vacuum - Answer✔✔-valve train operation
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