Quote:
Originally Posted by alex sol
i will install the catch can.
i blocked off the egr and it put my D into limp mode. does it require a tune?
codes were P401 and p402 - either not enough Exhaust Gas or too much... i think the p402 put it into the limp mode
how about meth injection?
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How could you block off a main component of the car's emissions system and not expect it to throw a fit? Of course it will and yes you most definitely need a tune to disable that system.