Quote Originally Posted by JbrownGTP View Post
1) Im not sure how they do emissions where your from but in CO they get your reading through your exhaust, not your obd port, zzp turning off the egr did in fact cause me to fail emissions, if the egr isnt recirculating some exhaust gas like it should, you blow high NOx out your exhaust. Plain and simple.



2) About this i have no idea, i just went off what he said. But he had no reason to lie to me so idk.
In most every other state, they do a OBD2 test, and then possibly a sniff test.

Even in sniff test states, a 3800 will pass NOX without a EGR.