Quote:
Originally Posted by LoneStarCamaro
Hey guys, I have a question. I have Long Tube headers and the Trifecta tune and keep getting a CEL of P0420 and P0430 (catalytic converters). In EZFlash, I uncheck those codes and reflash my ECM but the codes come back within a day. Am I missing a step, or am I supposed to do something other than uncheck those specific codes in the DTC's and Readiness Monitors?
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I would contact bnr to see what their take is on it. I haven't missed with my ezflash in a while so sorry I can't be of more help, hopefully somebody else can see this and help you out with it.