Thread: Diagnostic Codes P0404 and P0405
View Single Post
  #8  
Old 03-08-2007, 10:24 AM
04F-250 stroked's Avatar
04F-250 stroked
04F-250 stroked is offline
Senior User
Join Date: Nov 2006
Location: SFV, CALIFORNIA
Posts: 174
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by kw5413
As stated, he has already read the codes.

I am not a tech but, it has been my experience that the techs clear the codes. If the codes have reappeared I would hazard a guess that you have a recurring EGR Valve problem. They just service the EGR Valve or did they replace it? Also, take a look and see if it is plugged in. Mine never was....

EXACTLY!! My 04 gives the same codes when the egr plug fell off . Plugged it back in (just to check) cleared it w/ my edge and code did not come back.
 
Reply Like