Hi all,

I'm trying to address the P0401 code my 96 SC has been throwing for some time now. I went through the process of cleaning the EGR system as described in this great blog post using zenseeker's photos--->


http://reactionprevia.blogspot.com/2...ode-p0401.html


My inlet tubes and were pretty blocked up with crud and I cleaned them out. My question is regarding the exhaust tube routing up and over to the EGR valve. Should I unbolt this and clean out the metal tube? I have a spare gasket for this connection but haven't seen any specific direction with this piece....My van has always had a high idle and I'm wondering if the EGR code has something to do with it....maybe it's a vacuum leak somewhere or the EGR valve itself is malfunctioning? I’m just trying to check things off the list.

Thanks!
05-egr_exhaust_tube.jpg