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Mark114 · 06-27-2022, 06:29 AM

The P12 codes seem to be related to the AFM valves in the exhaust. Maybe they’re old codes from when you installed the headers and other modifications?

06-27-2022, 06:29 AM	#4
Mark114 Drives: 2016 2SS Convertible Join Date: May 2012 Location: St. Louis, MO Posts: 1,730 View My Garage	The P12 codes seem to be related to the AFM valves in the exhaust. Maybe they’re old codes from when you installed the headers and other modifications?