Highly tuned (and standard) 2 strokes pass the ulez.
Sounds odd but what car is it? Maybe a specific forum could help with ways to induce a egr regen. Maybe someone nearby has a copy of the manufacturers software to get a better idea of the issue. These are just generic ish answers that I have used to get help in the past.
mk5 golf, 1.6 FSI engine. My local garage was happy to stick the OBD on and fiddle about for half an hour FOC, and basically just said nothing really bad is going to happen so if the engine is running well just don't worry about it
Highly tuned (and standard) 2 strokes pass the ulez.
Sounds odd but what car is it? Maybe a specific forum could help with ways to induce a egr regen. Maybe someone nearby has a copy of the manufacturers software to get a better idea of the issue. These are just generic ish answers that I have used to get help in the past.