Quote:
Originally Posted by vividracing
If the ROM ID is changed, MA emissions will see it. If the UpRev tune uses the OEM ROM ID, then you should be ok. We don't tune UpRev here, so I haven't delved into it that deep.
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I went and read all the EVO threads now as well. Change number one was MA getting smarter about systems showing ready or no cel when the ECU has been reflashed. Doesnt seem like an issue with most people with a Z as you can remove the cats and not have a CEL. I wouldnt be concerned with this as a visual inspection alone can fail you with removed emissions equipment.
Change number 2 is the concerning one, and it seems like MA tracks this ROM ID every year. So if you changed it, its going to flag and fail you even if the car says its ok. Unanswered questions, does Uprev change this ID? The guy who had an EVO switched from a euro ECU back to a US one which triggered the visit to MAC. I dont think Uprev would quite do the same thing. Also is this tracked in a statewide database or just at each service center? Anyone know if the inspection machine is hooked up to the internet?