I still have not changed the timing belt. The last few weeks have been very busy for me. but I have the crazy compulsion to clean out my engine compartment and check for leaks before starting work. The thing is, I have not noticed any drips, but I am definitely losing oil. Everyone says that is normal for a car with over 100,000 miles, but the engine must be burning it, and that very well may be what killed the cat.
It probably burned two quarts of oil in the 5,000 miles since I cleaned the cat. Maybe that was just enough oil to drop the cat below threshold.
I plan on replacing the gaskets and seals when I replace the timing belt, but I do not imagine that finding faulty gaskets and seals inside of the engine is easy.
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