is egr needed to pass emissions?
Passenger
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is egr needed to pass emissions?
does anyone know if you can have just a cat and no air pump and pass emissions? And what about the egr, is it needed to pass emissions and does it work in conjunction with the air pump?? Thanks a ton for any replies...
I know I failed Colorado emissions pretty bad when my air pump wasn't hooked up. Correctly hooking it into the cat made a world of defference. As for the EGR I don't know, that interests me also now that I have a PFC.
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