Which of the following is LEAST-Likely the cause of compression loss?
A)Engine knock
B)Broken piston rings
C)Blown head gasket
D)Burned valves

Question

Quizplus · Accepted Answer

Engine knock typically does not lead to compression loss as it is related to the timing and combustion of fuel in the engine, rather than the sealing of the cylinder. Choices B, C, and D all directly impact the sealing of the cylinder, and therefore can contribute to compression loss.

Which of the Following Is LEAST-Likely the Cause of Compression