No it's not for the usual 02 sensors (i have MIL Eleiminators Installed) It's throwing a P0401 EGR flow Insufficient, except there's no reason for it to be. Do I need a new EGR Valve? I'm confused. I clared the codes and it hasnt come back on yet, but I'd still like to know.

'99 SilFro SE V6 MTX Alpine CDA-9833, 12" L7, Pioneer 6x8's, Fidanza Short Throw, K&N Drop-In, Spec1 Clutch/Flywheel, WR Headers / Y-Pipe, TBz Cat, PRT Roll Resistors Mods in queue: Trubendz Res. Magnaflow Ex. SVT UIM/LIM/Opt.TB