Having problems with your 2004 Ford Expedition ?

The engine hesition sometime 04 expedition 5.4

\015 Th e engine hesition sometime went going up hill run good\015 Posted / edited by AnonymousUser on : 17-12-2018

Answers :

Most likely you have a bad COP (Coil On Plug) .
\015\012Maybe more than one. Very common ford problem for last 12 years.
\015\012If you get a MIL Light on the dash (the wrench),check for a PO300 Code.
\015\012A PO304 would be coil #4,PO306 #6 Etc.
\015\012Cyl 1 thru 4 on pass side
\015\012Cyl 5 thru 8 on driver side,front to back
\015\012Also hills cause a hi engine vacuum and thus a possible EGR Valve going bad. You can unplug the vacuum lines and plug, to diagnose that issue.
\015\012Also leave the EGR disconnected if your working on coil issues. Just note the MIL light will stay on all the time,and remember to check your 300 codes if you feel a hesitaton or miss.
Repair Help & Product Troubleshooting for 2004 Ford Expedition

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