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post #3 of (permalink) Old 23rd August 2007
mr espace
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If your engine is overfueling that much it is possible your cat is knacked now and will need replaced this may bring it down BUT the fault which is causing the overfueling is your real problem and would kill the replacement
Faulty lambda probe can make it rich as can various other sensors

I would get a lambda probe first and see what it reads then
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