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What does Evelyn say thick black smoke indicates?

Question Topic: Vehicle maintenance (PCV CPC)

Saved Questions Question Topic: Vehicle maintenance (PCV CPC)

Give one answer

High engine efficiency

Normal vehicle operation

Low fuel consumption

A potential problem and is an offence

← What are the risks of using poor-quality diesel fuel, according to Evelyn? Why is checking the engine's lubrication system important for Fiona? →

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