Idling problems
I have a 2000 chevy Z71 and I am having idling problems. It runs fine when it's still cold but after it gets warm it idles down past 500 rpms, I have changed the IAC sensor and nothing different. I changed the fuel filter and the same results. I checked all around the intake for air leaks and haven't found any. A buddy told me the cataylitic converters may be stopped up. I don't want to start swapping things out spending a bunch of money. Any help would be appreciated
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