Technician a Says That Many Engines Have Experienced Catastrophic Oil-Related

Technician A says that many engines have experienced catastrophic oil-related failures subsequent to seemingly minor repairs when the oil has not been changed. Technician B says that engine oil change intervals may need to be shortened significantly if blends of biodiesel higher than B20 are used. Who is right?

A) A only"
B) B only"
C) Both A and B
D) Neither A nor B"

Correct Answer:

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