Hello fellow Mustang enthusiasts .... Sooo I've got a strange problem that hopefully one or more of you guys may know about ... I've got a P0401 error code appon reasearch the code is an EGR code however this car dose not have an EGR
soooo any reason I would get this code and how would I fix it ????
This has been happening for about 2-3 months now
Mods as follows .....
Ford racing 85mm CAI
SR performance under drive pulleys
MSD ignition coils
Pacesetter LT headers
Off road H pipe cat delete
91 performance Bama custom tune
390 ring n pinion