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Which of the following is not a reason for piston failure?

(a) Insufficient lubrication

(b) Overloading the engine

(c) Detonation

(d) Spark plug misfire

I have been asked this question in unit test.

My doubt is from Engine Components topic in portion Basic Engine Components of Automotive Engine Design

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Correct choice is (d) Spark plug misfire

To elaborate: Piston scuffing occurs due to excessive heat the piston expands and becomes tight in the cylinder. The main reasons for this are insufficient lubrication of cylinder walls, overloading the engine, detonation. Whereas spark plug misfire does not affect.

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