Quote:
Originally Posted by 2023_ZL1-AUTO
It might not be CAT warm up. But, I know when I licensed my CCM, HP Tuners gave me a new group I didn't have before, "Exhaust". If I remember, I had to go to tools or help menu while connected to my car OBDII port and license, but also had to download parameters or something like that.
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Cat warmup (cold start) doesn't have anything to do with the Exhaust settings. All cars have cat warmup cold starts due to emissions requirements from the government.