ASE X1 Practice Questions - ASE X1 Exhaust Systems Specialist Certification Test Exam

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A technician inspects an exhaust system that produces a loud ticking noise that gets louder when the engine is cold and quiets after warm-up. Which condition is the MOST likely cause?

A failed catalytic converter substrate An exhaust manifold leak at the cylinder head A restricted muffler A clogged EGR passage

Correct Answer:

An exhaust manifold leak at the cylinder head

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