SKM Motor Vehicle Mechanic L2 Practice Questions - SKM Motor Vehicle Mechanic Level 2 Exam

What does a continuous blue-grey smoke from the vehicle's exhaust pipe typically indicate?

Unburned fuel escaping from a rich air-fuel mixture Coolant leaking into the combustion chamber Engine oil burning in the combustion chamber Condensation in the exhaust system during cold mornings

Correct Answer:

Engine oil burning in the combustion chamber

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