Which of the following statements is LEAST-Likely true?
A. Scuffing on only one skirt is rarely caused by excessive idling.
B. Four-corner scuffing occurs when both skirts are scuffed on the edges next to the piston pin.
C. A piston that overheats because of cooling system problems or abnormal combustion will expand excessively near the piston pin.
D. Scuffing on both skirts is usually caused by insufficient clearance between new pistons and remachined cylinder walls.
Answer: A
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