dr_bowtie

That was probably me. In which you are mostly correct. you can have Cali emissions but I have seen Western states that have federal emission but Cali flashed proms. or western states with Cali stickers and ECUs. usually anything close to detroit 5 states area has an eastern flash which can differ from Western area. Mostly due to better elevation characteristics for fuel mapping and ambient temps. cold eastern climates have lower closed loop mode enable temps