- - No boost and code PO401
(https://forums.maxperformanceinc.com/forums/showthread.php?t=725897)
71ModelJ
04-20-2013 07:53 AM
No boost and code PO401
My 2001 Bonneville SSEI has a fault code PO401 egr flow restricted. Egr was replaced and cleaned out ports. Also has no boost. anyone encounter this?:confused:
