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"

Question

Quizplus · Accepted Answer

Technician A is correct because minor repairs can introduce contaminants or cause oil degradation, leading to engine failure if the oil is not changed. Technician B is correct because higher blends of biodiesel can cause oil dilution and degradation, necessitating more frequent oil changes.

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