tscsbze

Hey all, My 2008 5.4L has a check engine light on I ran the code reader on it and came up with a P0402 error been checking around on this error but not Im not sure where to go with it to resolve my truck also sounds like it is sucking air what could be a possible cause and how can I fix it:

jetpuck73

Read this - http://www.f150online.com/forums/v8-...verything.html

tscsbze

I will give this a try