Revision question · Band 2 traffic signs and signals, car control, pedestrians, mechanical knowledge

What could happen if you put too much oil in your engine?

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

The oil filter will become blocked

The engine oil will overheat

The engine will use less oil

The oil seals may be damaged

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The oil seals may be damagedThis was the right answer

Too much engine oil can aerate the oil, raise crankcase pressure, cause leaks or damage seals, depending on the engine design and amount. Check the level by the vehicle handbook and have excess removed by the specified procedure; do not assume one inevitable failure mode.

Reviewed reading for this question

Too much engine oil can damage seals or cause leaksReviewed guidance summary · The corrected explanation retains seal damage as one possible consequence and removes a universal mechanical guarantee.

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