Question 393 · Car theory test
What is the effect of a worn exhaust?
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Correct answer
The filtering of fumes is reduced, and engine noise is louder.
Official explanation
A worn exhaust system can have a number of 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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