Those values are for a working MAF. It seems if the computer sees "full air" all the time it doesn't get angry.

Does the computer trip an EGR fault code after driving for a while with the mod in place?

-J

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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket

Tesla Model 3. 205,000 miles. Been to 48 states!
Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels.
2014 Cadillac ELR
2013 Fiat 500E.