Car Problem Reports

Ford Mustang Cobra Buzzing Noise from Exhaust at Different Engine Speeds

 
Ford Mustang Cobra Problem
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Model Years Affected: 1994, 1995

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If a buzzing noise is coming from the exhaust at different engine speeds and conditions, this is commonly caused by the heat shields on catalytic converters coming loose at points. The buzzing is the metal on metal contact. Installing a large worm clamp around the catalytic converter and heat shield assembly will prevent the noise and secure the shields.