Catalytic Converters - Alfa Romeo Forum
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Location: South Africa
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03 156 V6 SW

Catalytic Converters

How do you spot a partially or fully blocked cat without removing and looking inside? I have heard some say when there is excessive discolor from the metal but any steel that get's as hot as a working cat wil discolor.

Are there any symptoms or even warning lights? Sounds or something to keep an eye or ear out for?
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