Vehicle Maintenance
In a petrol engine, which component generates the spark that ignites the air-fuel mixture?
Reviewed on 9 Aug 2026
- ✓ The spark plug
- B The alternator
- C The radiator
- D The oil dipstick
Why this is the correct answer
In petrol engines, the spark plug generates the spark that ignites the air-fuel mixture. It must be kept clean and replaced when necessary.
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