Question 375 · Car theory test
What may happen if the vehicle's engine oil is not changed as required?
Pick an answer to test yourself.
Correct answer
Parts of the engine may suffer increased wear.
Official explanation
Engine oil becomes inefficient over time, losing its viscosity and lubricating qualities, and therefore must be changed as required in accordance with the manufacturer's recommendations. Failure to do so may result in costly and extensive engine damage. The oil change is usually done when the vehicle is being serviced.
- Topic
- Vehicle maintenance
- Also in
- This question also appears in the motorcycle theory test.
Practise this topic in the app
Free demo questions for every topic, progress saved, a full mock exam in the official format.
Got it wrong, or had to think? That is one of 805 questions the car theory test can draw from. Sit the car mock exam in the official format (40 questions, 45 minutes, pass mark 35) and see how many more you would miss.
Related questions
What does a rev counter provide information on?- If, when driving along, the driver notices that the engine power is lower than normal, what should they do?
- If the oil pressure gauge shows little or no pressure, or the warning light comes on, what could the problem be?
- If a vehicle is driven with low oil pressure, what effect does this have on its engine?
- What should a driver do before checking the engine oil level on a vehicle?
- What is the purpose of engine oil?