Revision question · Vehicle condition

What's the purpose of the oil filter?

Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

Answer options

To prevent the engine from overheating

To give better fuel consumption

To prevent the engine from over-revving

To collect metal particles from the oil

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To collect metal particles from the oilThis was the right answer

As the lubricating oil is pumped around the engine, it collects tiny fragments of metal from the moving parts. The oil filter is designed to remove these fragments. Most filters are designed to be replaced at service intervals.

Reviewed reading for this question

Replace oil and filter at the specified intervalReviewed guidance summary · The manufacturer explicitly names metal particles and the protection against wear.

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