A Recently Rebuilt Engine Has Several Burned Pistons

question 21

Multiple Choice

A recently rebuilt engine has several burned pistons. Technician A says that pistons can burn or seize in the cylinder due to an intake manifold air leak. Technician B says that too rich an air-fuel mixture is a likely cause of this problem. Who is right?

• A)Technician A only
• B)Technician B only
• C)Both A and B
• D)Neither A nor B

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