Food & Drink0 min ago
Catalitic Converter
5 Answers
Does a cat converter which is probably past its prime give any warnings before a complete failure and loss of power? I have a buzzing noise which I thought might indicate early blowing of the exhaust but there is no problem with the main body of the system. The noise is up front near the manifold.
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For more on marking an answer as the "Best Answer", please visit our FAQ.agree that it sounds like a heatshield. it is possible that the insides of the cat is coming loose. best thing to do is trace exactly where the noise is coming from.
btw, toureman, if a cat collapses inside, it causes the car to feel like its 'strangled' and will get worse the further you drive, ie as it gets hotter.
btw, toureman, if a cat collapses inside, it causes the car to feel like its 'strangled' and will get worse the further you drive, ie as it gets hotter.