The DPFE code (P1400) could be related to the lean codes (P0171 and P0174 massive vacuum leak). I would suggest checking/changing the DPFE sensor first to see if it solves the problems.

Originally posted by chongo:
Did someone call me out.......LOL

here you go.




Also see Fig 1.
http://www.autozone.com/servlet/UiBroker?ForwardPage=/az/cds/en_us/0900823d/80/1b/ca/1e/0900823d801bca1e.jsp

Last edited by Tony2005; 05/17/06 01:23 AM.
"Always do the cheap and easy ones first." 1996 V6 ATX 96K miles