Correct answer
Restrict air intake and impair performance.
It can restrict engine air intake and impair operation or performance. A malfunction at high engine speeds can have other causes, so that symptom alone does not identify the filter. Check or replace it according to the manual; not every filter is cleanable and removing dirt does not resolve every fault.
Practice more B licence questions
A 3-minute quick test with exam-style questions. Free, no signup.
All options
Always increase engine power.
Restrict air intake and impair performance.
Clean the fuel instead of intake air.
Editorial status: editorially approved. This status does not certify legal review. Report a correction
Share this question
Keep studying
Related questions
- In a manual car, when conditions allow without straining the engine or losing response, what helps save fuel?
- What is the function of the ignition circuit in the electrical system of a vehicle with a petrol engine?
- In a modern fuel-injected car, unless the manufacturer specifies otherwise, should you start without pressing the accelerator?
- What precautions, among others, must you take when refuelling the vehicle?
- As a general rule, above what width must a lorry be fitted with end-outline marker lights?
- From the point of view of traffic, is a motorcycle a motor vehicle?