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Prev Professional Automotive Repair Technical Discussions for February 16, 2012
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Open Help Requests for Ford
Help Request Answers
1992 Ford Mustang LX 5.0L Stall VIN: 1FACP44E4N
I suspect pcm shutting off spout signal and shutting down vehicle. Only does this in gear under a load or while driving. Never in park or neutral
1998 Ford Ranger Splash 2.5L Poor Idle Quality, Cuts out, Misfire, Poor Fuel Economy VIN: 1FTYR10C4W
This truck has no HO2S activity at any time. Both upstream and downstream show 0.000V at all times no matter what. Tried unplugging one at a time, both together, no change. Tested wires from both sensors to the PCM, no problems. Unplugged all sensors that are ...
1998 Ford Expedition Eddie Bauer 5.4L interior lights VIN: 1FMPU18L6W
when the drivers door is opened the interior lights blink and you hear a relay type of noise inside vehicle. if any other door is opened it will stop flashing. even when the door is open and the car is started it will blink. only stops when the door is closed....
1998 Ford Contour GL 2.0L Air bag light VIN: 1FAFP6536W
The air bag light flashes a few times in a row while driving down the road intermittently then goes back off. Most of the time the light behaves normally. My snap on scanner does not communicate with the air bag module or the cluster. I have no way to know if ...
1998 Ford Expedition Eddie Bauer 5.4L Differential VIN: 1FMPU18L7W
Hello every one.im working on this expedition that has a vibration between 55-60 m.p.h,cust stated this all started after his drive shaft broke in his drive way, he took the shaft to a drive shaft shop that rebulids only driveshaft and balance shafts and had t...
1999 Ford F-450 Super Duty Lariat 6.8L Cuts out VIN: 3FDXF46S5X
This is a new truck to this fleet. Truck does not get used much, last pump put in 3k miles ago and 9 months. Diagnoses is low fuel pressure. Pulled pump and sock is plugged, white little balls floating around in bottom of tank. What is this white stuff. I atte...
2003 Ford F-350 Super Duty XLT 6.0L engine VIN: 1FTSW31P93
When starting car, thick white smoke cloud; stays at all times; found code P0269 cylinder #3 contribution balance problem; did compression test; compression 450psi; replaced injector; compression balance problem solved; still have thick white smoke at all time...
2003 Ford Expedition XLT 5.4L MIL Lamp on
It's been awhile since I needed a good sanity check, but I need one now Ford techs. I'm actually embarrassed to be posting a Help Request on something like this which should be a slam dunk to fix. Anyway, I gotta 2003 Ford Expedition with a 5.4 in it. Keeps th... Trouble codes: P0401 (EGR Insufficient Flow Detected)
2007 Ford Explorer Limited 4.6L Misfire VIN: 1FMEU75807
Every few weeks vehicle returns with misfire complaint and moisture ( water ) is found in rear 4 spark plug tubes ! clean and dry them out all is good for a short while . How is water getting in there ? Clear water not coolant seems to happen when it snows or ...
2009 Ford E-350 Super Duty XL 5.4L Shift interlock VIN: 1FDEE35L29
Will not shift out of park -
1991 Mercury Grand Marquis LS 5.0L 3-4 shift VIN: 2MECM75F7M
Just purchased this vehicle, no known previous history. The tv cable was not connected to throttle body lever due to the fact tv cable grommet was missing. I drove car and vehicle does shift 1-2, did feel 3rd. After I installed new tv cable grommet, I was doin...
2000 Mercury Mystique GS 2.0L Stall VIN: 1MEFM6537Y
This vehicle came in with a battery light on. Checked the alternator and it was not charging. Also the vehicle would stall with loads on. After replacing the alternator the battery light is now off but the vehicle contiunes to stall under a load. I have scoped...

Fixes & Summaries for Ford
Fix/Summary Answers
1989 Ford Bronco II XL 2.9L gauge cluster lighting
Thank you for your replies. The ranger station was actually very helpful and had alot of the info I needed. I had to go through both of the Ford electrical/vacuum/trouble shooting manuals and look for the c100 in the bronco book and c147 in the explorer book. ...
1994 Ford E-350 Econoline Club Wagon Custom 7.5L Cuts out VIN: 1FDKE3DG1R
Paul was correct in saying that the capacitors may be blown inside the PCM. I had the ECC-IV BOB hooked up and looking at every pin until i found the problem. When i got to the EPC, the signal was EXTREMELY erratic. I checked Identifix and searched EPC for the...
1994 Ford E-250 Econoline XL 5.8L Misfire VIN: 1FTHE24H0R
I would like to say thank you to all who replied.I'm sorry to take so long on the fix.This one drove me nuts. after going the timming chain. it still was still missing. I had my lab scope on the 5v ref line and the signal was really hashy. pulling my ref to 6....
2005 Ford Expedition XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMPU15505
while waiting for replies put #3 injector in got it to fire but not # 1,2,4. Put in#1,2,4 injectors, backto no good all 4 cyls on bank 1 at idle. OK removed right bank valve cover, had asked customer several times about any noise at any time. found 1 of th... Trouble codes: P0172 (rich bank 1), P0174 (lean bank 2), P0300 (random miss fire), P0303 (miss fire 3), P0316 (misfire on start).
2005 Ford F-550 Super Duty Lariat 6.0L hpop VIN: 1FDAF57PX5
Thanks to everyone that replied to our request. We decided to pull apart the oil filter/reservoir assembly and found the hpop screen damaged and full of shavings. After reassembly, the engine started much faster(less cranking time) and ran good for awhile. Aft...
2006 Ford F-350 Super Duty XLT 6.0L Cuts out, Poor Fuel Economy, MIL Lamp on
Thanks to all that replied, after hearing what everyone saidi looked at the map and the exhaust backpressure sensor. while it was running the readings never changed at idle or while driving. replaced both sensors, and then to my utter amazement the truck ran g... Trouble codes: P0299, P1408 (EGR flow out of range), P2263 (TC/SC boost system performance), P0069 (MAP-BARO pressure correlation).
2007 Ford Mustang 4.0L Battery VIN: 1ZVFT80N97
First, thanks to everyone for your time and input. Here are the results of the tests I ran. I believe I tried everything suggested. If I missed your suggestion, please send it again. Fixed? No. But, all these variables have been eliminated. Although u...
2008 Ford Crown Victoria Police Interceptor 4.6L battery VIN: 2FAHP71V18
I am closing this with a summary, even though it is "fixed" well enough to not be a problem. I replaced the drivers door module and my draw came down to 26mA in sleep mode. However after sitting over night with my Fluke on it, it still was having an intermit...
1991 Mercury Grand Marquis LS 5.0L blow by VIN: 2MECM75F7M
Thanks to all who responded with replies! I changed the filter(screen) that sits below the pcv valve and it seemed to fix the problem!
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