Question 394 · Car theory test
What effect can a faulty exhaust system have?
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Correct answer
It can increase the vehicle's noise and pollution levels.
Official explanation
A worn exhaust system can have a number of negative effects, including increased noise from the engine and more environmentally damaging fumes, as they are not filtered properly. There are requirements to ensure vehicles are compliant with EU and Irish legislation. Vehicles are tested for compliance during roadworthiness testing.
- Topic
- Vehicle maintenance
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- This question also appears in the motorcycle theory test.
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