Thread: pellet-type cats
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08-31-2006 04:10 PM #1
pellet-type cats
on pellet-style gm cats (this one is 1982), the pellets should be clearly visible with the refill plug removed, right? i pulled my plug, because i couldn't hear any rattle when i banged on it. sure enough, i saw nothing but the waffle-looking baffles, top and bottom. i failed emission inspection for high CO. i know it's probably because it's running rich (but very nicely). but would sticking a new monolithic 3-way on there be enough to get by? my CO numbers were about twice what they were supposed to be, and all other numbers were great.
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