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ASE Engine Repair Practice Test
Multiple Choice
ASE Engine Repair
Multiple Choice Practice Test
Question 1 of 3
42% Get this Question Right
Tech Y says blue-gray smoke coming from the exhaust may be caused by stuck piston rings. Tech Z says this could be caused by a plugged oil drain passage in the cylinder head. Which tech is correct?
A
Z
B
Both
C
Neither
D
Y
Both stuck piston rings and a plugged oil drain passage may allow oil to enter the cylinder and emit a blue/gray smoke when burned in the chamber.
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