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    Automotive Service Inspection Maintenance
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    Exam 49: Diagnosing Engine Mechanical Problems
  5. Question
    When Engine Oil Has Not Been Regularly Changed, Thick, Dirty
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When Engine Oil Has Not Been Regularly Changed, Thick, Dirty

Question 8

Question 8

True/False

When engine oil has not been regularly changed, thick, dirty oil can plug the oil return holes in the cylinder head.

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