In the past six months I've replaced the plugs, coils, air filter element, and both O2 sensors on my 2000 V70 XC. The car is running very smooth and strong and seems like it will go forever. However, just yesterday, I got the P0422 OBDII code. I know this means the cat is reporting a problem.
I'm wondering if others are seeing cat failures at about 100K miles or is this premature? I've heard the cat is very expensive to replace from the dealer. I know there are places that rebuild cats. I wonder if anyone has tried such a service with successful results? There are also aftermarket units that are much cheaper than stock but I don't want to find out the hard way if there are any incompatibility issues with them.
Stuck between a cat and a hard place. What to do?
RGW.
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