Which of the following statements is LEAST-Likely true?
A) When tightening a spark plug, the seal of the plug can be ruined by overtightening.
B) Spark plugs that are tight will run hot and can cause serious engine damage.
C) An overly tightened spark plug in an aluminum head can result in stripped threads when attempting to remove the plug at its next replacement interval.
D) Using antiseize on spark plug threads reduces the torque requirement.

Question

Quizplus · Accepted Answer

Spark plugs that are too tight do not inherently run hot; their operating temperature is more influenced by their design and the engine's condition. Over-tightening can cause damage, such as stripped threads or a cracked engine head, but it does not directly cause the spark plug itself to run hot.

Which of the Following Statements Is LEAST-Likely True