Skip to content
BDifficulty 2/5

According to IDAE’s general efficient-driving guidance, after starting a diesel engine and before moving off, it is advisable to…

Correct answer

Wait a few seconds before setting off.

Wait a few seconds, without revving in neutral to warm it. This is IDAE’s general starting recommendation; also follow the manufacturer’s instructions for your vehicle. A few seconds do not reach normal operating temperature, nor is the reason that every diesel engine is larger than a petrol engine. Avoid placing a heavy load on a cold engine.

Practice more B licence questions

A 3-minute quick test with exam-style questions. Free, no signup.

All options

  • Wait a few seconds before setting off.

  • Set off immediately.

  • Rev the engine in neutral so it warms up.

Editorial status: editorially approved. This status does not certify legal review. Report a correction

Share this question

Keep studying

Related questions