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san rensho · 11-09-2013, 07:18 PM

Those graphs look really good. Just keep monitoring the other after cat o2 sensor and replace the cat as necessary.

Just out of curiosity, my understanding is that a bad cat doesn't cause any driveablity problems, so why spend big bucks to replace it?

11-09-2013, 07:18 PM	#27
san rensho Registered User Join Date: May 2011 Location: Miami florida Posts: 1,591	Those graphs look really good. Just keep monitoring the other after cat o2 sensor and replace the cat as necessary. Just out of curiosity, my understanding is that a bad cat doesn't cause any driveablity problems, so why spend big bucks to replace it? __________________ Current car 2000 Boxster 2.7l red/black Previous cars 1973 Opel Manta 1969(?) Fiat 850 Convertible 1979 Lancia Beta Coupe 1981 Alfa Romeo GTV 6 1985 Alfa Romeo Graduate 1985 Porsche 944 1989 Porsche 944 1981 Triumph TR7 1989 (?) Alfa Romeo Milano 1993 Saab 9000