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    Trade & Technology
  3. Study Set
    Automotive Engines Diagnosis
  4. Exam
    Exam 3: Diagnosing Engine Problems
  5. Question
    Carbon Has Built Up in the Neck Area of a Valve
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Carbon Has Built Up in the Neck Area of a Valve

Question 3

Question 3

Short Answer

Carbon has built up in the neck area of a valve. What is the most probable cause?

Correct Answer:

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