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Ford Expedition Stalling, Surging and Vibration

65 messages,  Last post on Oct 21, 2009 at 9:04 AM

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#26 of 65 Re: STALLING 2003 FORD EXPEDITION. [bbrebner] by orlando32817 Feb 01, 2007 (3:39 pm)
Replying to: bbrebner (Jan 06, 2007 4:02 pm) Can you tell me what the diagnostic P code was. I seem to be having a similar problem with mine and had replaced the fuel filter and plugs. It works better now because the filter was partially clogged and the plugs were worn. After I did that the truck would still hesitate but does it less often. I did try to force the issue by hard acceleration and found it seems to happen more often when I try to do a U turn. In that case it actually stalled. I then was able to restart right away and keep driving. In my case I am wondering if the problem is the harness where the left U turn shifts/stretches the harness to make it intermittant or there is still dirt in the fuel tank clogging up the inlet screen sometimes on turns. I pulled the new fuel filter off the truck again and blew thru it and found that was clear still with a full tank of gas. Replies to this message: bbrebner (Feb 03, 2007 8:24 am) masinils (Feb 07, 2007 1:34 pm) orlando32817 (May 04, 2008 6:25 am)
#27 of 65 Re: STALLING 2003 FORD EXPEDITION. [orlando32817] by bbrebner Feb 03, 2007 (8:24 am)
Replying to: orlando32817 (Feb 01, 2007 3:39 pm) I don't know what the diagnostic code was. You can call the dealership that I used, (number in previous posts from me)and they might be able to tell you. I also replaced the fuel filter, etc. but it did not fix the problem. And, like you, my car seemed to stall more after making a turn. It sounds pretty similar to the same problem I was having.' It had to get pretty bad before it finally triggered the computer though. When it finally did, it had stalled 3 times in a one hour period. That was the worst it had ever been, and that's when it finally came up with a code they could read. Best of luck~ Becka
#28 of 65 Re: STALLING 2003 FORD EXPEDITION. [orlando32817] by masinils Feb 07, 2007 (1:34 pm)
Replying to: orlando32817 (Feb 01, 2007 3:39 pm) Orlando32817, Were you able to find the diagnostic code. Mine did the same thing today when turning onto a ramp off of a highway, but no light came on. I lost all power and had to coast to the side. Put vehicle into park and turned it off. Then turned it back on and it started right up. No lights or error codes came on... please help ! Replies to this message: orlando32817 (May 04, 2008 6:25 am)
#29 of 65 wire harness by bbrebner Feb 07, 2007 (8:47 pm)
Replying to: jdstoepfel (Jun 19, 2007 9:29 am) If your cars are suffering from the same thing mine was, then the code won't trigger until it gets really bad. I would take it to the dealership and have them do a search on bad wire harnesses. There is documentation with Ford, because my dealership found it.   Good luck
#31 of 65 Re: STALLING 2003 FORD EXPEDITION. [stine] by kevarn Feb 20, 2007 (11:12 am)
Replying to: stine (Oct 06, 2006 7:05 pm) I HAVE THE SAME PROBLEM WITH MY EXP. STALLS & LOSES POWER LIKE ITS RUNNING ON HALF THE CYLINDERS. STALLS WHEN I'M DRIVING, SO I POP IT IN TO NUETRAL TURN THE KEY OFF & BACK ON QUICK TO START IT BACK UP & IT RUNS FINE FOR THE TIME BEING. THANK GOD THIS HASN'T HAPPENED TO MY WIFE YET! I LIVE ON LONG ISLAND & HAVENT CALLED A DEALER YET, BUT AFTER READING EVERYBODIES POSTS ABOUT THIS PROBLEM I WILL BE TO LET THEM KNOW. THIS IS A VERY DANGEROUS PROBLEM AND FORD NEEDS TO BE INFORMED MORE AND ISSUE A RECALL FOR THIS IMMEDIATELY. I DID HAVE CODES P0354,P0355,P0356,P0358 PULLED UP BY AUTOZONE. DOES ANYBODY KNOW WHAT THESE CODES MEAN?
#32 of 65 Codes by bbrebner Feb 28, 2007 (8:51 pm)
Replying to: jdstoepfel (Jun 19, 2007 9:29 am) I sure don't know what the codes mean, but Ford would know. I would just put some heat on your local dealership to do a search on the information that I've posted already. The problem exists, and they know about it. Why they haven't just posted a recall, I have no idea. I was in several unsafe situations with my car when it would just shut off on me. I tow a 3 horse trailer, and it quit on me once while doing that!! I think at first they just thought I was a neurotic woman, but soon realized that it was the car that was crazy, not me!! Best of luck~ Replies to this message: orlando32817 (Apr 03, 2007 2:28 pm) orlando32817 (Jul 29, 2007 1:38 pm) wedo43 (Apr 19, 2008 3:12 pm) and 1 more... tyshaun (Oct 20, 2009 11:08 pm)
#33 of 65 Re: Codes [bbrebner] by orlando32817 Apr 03, 2007 (2:28 pm)
Replying to: bbrebner (Feb 28, 2007 8:51 pm) Ok i found the problem from a guy at another site.   http://www.expeditionforum.com/forums/showthread.php?s=3c9cc7cad3bdb8c3c9c1493b7- 346ea76&postid=11808#post11808   here what daves1955 said   I got a call from dealer two this afternoon. Apparently there is a TSB (Technical Service Bulletin) that covers this problem. According to the TSB there is an electrical lead that runs around the power steering pump and oil pressure sending unit. The electrical lead may rub the power steering unit and cause a short to ground.   According to the service adviser they put some heat shrink on the electrical lead and ran the vehicle over the past two days. They did not experience the cutting out at idle.   Also according to the service advisor the problem with the electrical lead can cause any of the following.   Hard starting condition. No starting condition. Rough idle. Cut out at idle. Cut out when cornering.   The total repair bill is 79.00 for one hour of labor.   Since I am out of town this week and next, my wife will pick the vehicle up this weekend and take it for a ride to deterrmine the outcome. Hopefully the problem is solved.   he later said that fixed it. I am going to try to find what TSB that is and get more details. But i think i can find where the short is now based on that info above. Replies to this message: orlando32817 (Jul 29, 2007 1:38 pm) wedo43 (Apr 19, 2008 3:12 pm) orlando32817 (May 04, 2008 5:35 am) tyshaun (Oct 20, 2009 11:08 pm)
#34 of 65 Re: Codes [orlando32817] by orlando32817 Jul 29, 2007 (1:38 pm)
Replying to: orlando32817 (Apr 03, 2007 2:28 pm) Ok guys I finally figured out what was the hesitation cause for my 2003 expedition 4.6L. In my case it turned out to be bad coils. Since it didnt throw a code which one was bad I replaced them all. That fixed it. It would be to expensive to have the dealer troubleshoot which ones are bad (lot of time) or replace them all (at over $60 each dealer price) so I elected to get an aftermarket set of 8 units from ebay for $110 (130 with shipping). After I put them in the problem finally went away. I will however let you all know what I did before that to troubleshoot the problem. 0)checked the check engine light code (was P0430 bad converter?) Yea right!!! dealer repair $1800. I didnt do that yet. 1)Changed fuel filter (was slightly plugged anyway after 90,000) 2)Changed spark plugs (looked good but fairly worn) 3)cleaned idle control valve (idled smooth before and after) 4)removed butterfly air plenum and EGR valve and cleaned EGR VALVE and AIR passageways (slightly clogged passages) 5) I added a fuel pressure monitor gage to verify the fuel pressure stayed constant during the hesitation. (it avererages 30-40 psi with vacuum hose connected to fuel regulator and nearly 60 psi when removed) 6)I tried "capping" the vacuum tubes to the fuel regulator,egr,evaporaative control valves to verify that none of them add or cause the hesistation. (they did not) 7)Checked throttle control sensor restance was smooth and constant. (no dead spots) 8)even dropped the gas tank to check for dirt on pump pickup filter screen( no dirt was clean) 9)replaced PCV vlave and rebuilt pcv hose assembly with plastic elbows since origianal rubber ones were collapsing (no improvement on hesistation) 10) did the TSB where the oil sending unit cable is covered with plastic tube and had the PCM reflashed with later firmware (no improvment but was supposed to help with hesistation due to alterantor/pcm interaction) 11) Replaced all coil on plug coils with aftermarket substitutes. (problem solved!!!!!!) check ebay.   So besides doing the easy stuff (PCV and hose, gas filter,plugs,firware,etc) I would go put the coils with the plugs since I now find that they fail in a very soft way where they tend to fool you with that intermittancy when they cut out sometimes once in 50 miles or more. I measured the restance of my old coils and new ones and they all meaure about 5500 to 6500 ohms on the secondary and old ones looked perfectly fine go figure. Replies to this message: wedo43 (Apr 19, 2008 3:12 pm) orlando32817 (May 04, 2008 5:35 am) tyshaun (Oct 20, 2009 11:08 pm)

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