i have a 97 mitsubishi eclipse GS and i just put in headers a high flow cat and a greedy sp2 catback in and i also put in two new oxygen sencors and i was out driving it for the second time and the check engine light came on and once i got home i put my odb code reader on my car and the code was
P0 401 EGR how do i fix this.

http://www.obd-codes.com/trouble_codes/generic/p0401-insufficient-exhaust-gas-recirculation-flow-egr.php

see if that helps.

bump for more input.

i have read this but do i do to fix it or is my check engine light just going to be on all the time with these parts