I couldn't find a thread specifically for this issue..but I've attempted at least 10 times to get the catalyst monitor to run, all other monitors have though. I had a check engine light on about 2-3 months ago, don't remember the # exactly, but for bank 1 sensor 1 02 sensor slow response. Replaced that sensor, check engine light went away immediately. Looked up a couple different drive cycles to get all monitors to run, but just can't seem to get the catalyst one to check out. Feel like I'm just wasting gas getting this bastard to run.. Any tips would be greatly appreciated!!
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