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post #3 of (permalink) Old 21st November 2006
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I'd start off by trying to clear the ECU memory(any independant garage the appropriate equipment can do this),and if that puts the light out,and it stays out,then happy days.

If not,there is a very strong possibility that the unburnt fuel that went down the exhaust pipe whilst you had a coil failure would have damaged the cat..Cheap aftermarket cats are available for around £150,but as with all things,you get what you pay for.

Let us know the outcome.

Edit;I certaintly wouldn't ignore the light.The cat will eventually start breaking up,and could block up completely,and thats a right kerfuffle!.

I'd rather push my Alfa than drive a BMW....
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