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Old 10-23-2015, 07:04 AM   #1
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Originally Posted by jb92563 View Post
I got the engine light for the dreaded dying catalytic converter P0430.

I have a CA smog inspection due by Nov.

I tried the "Guaranteed to Pass" fuel additive. No Luck.

I tried replacing the down steam sensor even though I could see on the Durametric that it was following the upstream voltage sine wave instead of a strait line as it should be, indicating the CAT is dead. No Luck.

I only have that P0430 code so its not likely anything else.

I discovered that there are electronic devices that emulate a proper functioning downsteam sensor for a good CAT, but if a tailpipe sniffer test is used and they stick the probe in the passenger side exhaust they will likely detect excessive emissions.

However I could reinstall the downstream CATs and it would likely pass with the Electronic cheat (~$70).

But in the end its an inconvenience to reinstall the rear CATs every 2 years.

So it would be better to buy a replacement passenger side Header CAT.

I suppose I could buy a used one, which I prefer at this point to save some bucks, or I could bite the bullet and buy a new ~$1800 CAT.

Are there any other options I have overlooked?

Does anyone know of a used one for sale?

What is the best price/site for buying a new CAT?
The price on new cats are going to make your eyes water, so I would consider used cats out of a wreck. We have installed several sets of these for customers and had great results. Check the boneyards in your area for price and availability.
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Old 10-23-2015, 11:05 AM   #2
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Originally Posted by JFP in PA View Post
The price on new cats are going to make your eyes water, so I would consider used cats out of a wreck. We have installed several sets of these for customers and had great results. Check the boneyards in your area for price and availability.
Unfortunately in CA the wrecking yards will not sell you a used cat (according to them it's against the law..) can you buy generic cats and get them installed by a muffler shop?

I have done this on the ALfa and they worked well (@ almost 1/2 price than the OEM type), good luck.

Last edited by Gilles; 10-23-2015 at 11:23 AM.
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Old 10-23-2015, 11:31 AM   #3
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Have Woody send you a used set. If you don't know he can be reached by PM on here, itsnotanova. I'm sure he can hook you up for a great price.
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Old 11-11-2015, 07:00 AM   #4
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[QUOTE=Gilles;470858]Unfortunately in CA the wrecking yards will not sell you a used cat (according to them it's against the law..) [OUOTE]


Gilles and the wrecking yards are right. The California Air Resources Board prohibits the sale or installation of used catalytic converters in California. That's why wrecking yards don't advertise them and shops generally wont install them
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