Question about 2006 Ford Expedition

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Computer problem HELLO, I have a 2006 Ford Expedition and we have been having problem after problem and it in and out of the shop for going on 2 months maybe longer. The first time in the shop he changed O2 sensors and spark plug and some fan deal that he had to take the engine out in order to replace it saying that the air wasn't going through thats why when i would press the gas pedal while driving it felt like it was bogging down. (Over $700) then we took it home and not even an hour later went to leave and the check engine like came back on and started acting up again and not wanting ot accelerate. took it back to him and he said that it was some sensor that regulates the gas output and it was pricey and that it would be okay without it ... well my hubby looked that part up and for 2006 that part doesn't exist... then it just got worse.. we called him took it back and he had his diagnostic looked at and fixed and codes showed three injectors and another spark plug and coil packs which we had already replaced (Another $900)... got it back was driving great... Accelerating, A/C wasn't cutting off, gas mileage was better then 9MPG... but the check engine light came back on that day and three days later while driving it out of no where... the screen flashed several failures.. A/C cut off only thing that was going was engine and radio.. turn it off and back on and it would start a tad rough but WOULD NOT go out of park.. and nothing would lock, none of the power would work. We took off neg cable turned head lights on waited 15 mins and tried and nothing... just starting.. so needless to say the guy had to send a tow truck and he has it at his shop now... BUT i would like to see if you have any input of what this could be i can't afford much more... he said something about the memory and he was looking for the part used.. he would call.. PLEASE help..

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  • Ford Master
  • 21,873 Answers

First, please have it towed to a different shop.
The mechanic you have now should have fixed the second problem under his original guarantee. I doubt he has the skills to diagnose the problem correctly.
Keep in mind I am getting one side of the story without the details. But anytime you have work done and it is not right, never pay for more work on top of the original. At least without a second opinion.
If you want to discuss specific problems I can advise if given the details, such as trouble codes and the components replaced.

Posted on Jul 18, 2013

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Posted on Jan 02, 2017

  • 407 Answers

SOURCE: 2002 ford expedition

get a new mechanic, need to check for vac. leaks, poss needs tune up. alot O2 codes i have gotten have been created by vacuum leak or warn out plugs, rarely have i had to replace a O2 sensor.

Posted on Oct 14, 2009

  • 1374 Answers

SOURCE: car bogs down after getting hot, service engine

Have the following tests performed : fuel system pressure test cylinder balance test as well as a injector balance test. Preferable an ASE Certified Tech will do the testing.Depending on what he/she says wel'll take it from there. Gotta know why its misfiring before we do anything else. Cat and 02 sensor respond to engine's combustion process
exhaust product.Lets see what the testing says.
Keep me posted

Posted on Mar 29, 2010

  • 294 Answers

SOURCE: 2000 ford explorer ohv 4.0I replaced head gasket.

Do a compresion check, if Ok then timing chain is ok, try some throtle body cleaner trough a vac. hose while cranking if stars, fuel pump is out, another way if you have no codes the most poss. cuase is your fuel pump, check press is gauge handy

Posted on Sep 29, 2010

  • 14036 Answers

SOURCE: 99 expedition misses. I

COULD BE CLOGGED FUEL INJECTORS OR LOW COMPRESSION IF EVERY THING ELSE CHECK OUT OKAY BEEN REPLACED.

Posted on Aug 29, 2011

  • 3640 Answers

SOURCE: My 2001 Ford Taurus SES all of the sudden started

. The answer is to replace all the spark plugs and wires. Even if the plug appears fine to the ***** eye, and the wire has no visible damage, there could be problems with it that cause it not to fire properly. if you have coils on it, check them also.
An ignition coil that is failing will still provide current to the plugs, but it might not be enough for a full spark and the car will run sluggishly. If the current being provided by the coil isn't consistent, the car will run rough. make sure your getting good spark from coil first. good-day !

Posted on Sep 16, 2011

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I have a 98 ford expodtion lost the key and tor into the ignion plz help.


OK. So you lost your key. People do that all the time. That's what spare keys are for. But you apparently don't have a spare. So you tore into the ignition to try to get the vehicle to start. Now you are realizing that the vehicle has safeguards to prevent just that from happening (we call what you tried to do "hot wiring"). The reason that the car is designed that way is to prevent theft and therefore reduce insurance costs. Money saved in order to have a spare key.

So you made some stup1d mistakes.

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And now you want help. Unfortunately, you can't fix stup1d.
Call the dealer, get it towed, have it repaired, get a new key AND a spare. And after you spend that $1000.00, consider it a lesson learned.

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I already changed the cylinder head temperature sensor in my ford expedition 2006 4wD eddie bauer but I Still have the check engine light on & same code p1289. What can I do now? Please help me


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May 27, 2015 | 2006 Ford Expedition

1 Answer

2006 ford expedition computer problems?


Anyone trying to discuss all you have been thru
would need the vehicle & start fresh
Personally I wouldn't even want all that was done so far
by what have explained
Lots of info is really needed but i have no idea what was
done,tested,how why,etc.
That Vehicle is a 5.4 3 valve engine
The spark plugs were originally two piece & break off
They needed to come out of the motor when it was brand new
& as a result of the extended shell going into the cylinder head
I would change them every 2 years as they carbon up verse
every 3 years as I do on all vehicles
The 2004,05,06 had injector leaking issues,that ruin the converters
All Fords & Lincolns have COP Ignition Coils that
only last about 6 to 8 years & are not always easy
to diagnose,as a result some people won't work
on a ford
Front Oxygen Sensors get replaced every 100,000
miles on all vehicles.
You need to look at Cylinder Misfire Counts,Cat Temp,
& Fuel Trim through out the year using professional scan
tool or software
The PCM or computer hardly ever fails, so don't even
go there & I will guarantee you they don't have a clue
how to know it has failed
If it is replaced you have to get a subscription from
ford to reflash your vehicle build info & then updates
Expensive,forget that

Jul 18, 2013 | 2006 Ford Expedition

1 Answer

Why does my 2000 ford expedition not start in the rain


Hello! #1: Your lower windshield is leaking, where you can't see it...and chances are, it is near the lower right corner...dripping onto/into your PCM . Take your Expedition to a glass-shop, and ask them to remove and reinstall your windshield.. Explain to them, you believe a water-leak to be hitting your computer. Properly re-installed, it should fix your drip-problem...

#2: Check under your dash, or have a body-shop check...chances are, that a piece of molding under the hood, by the wiper valence, is not installed properly, cracked or missing... If water drips by it, the only path is directly into the PCM...Guru..saailer

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Hello, I had to find a similar bulb for a dash display for one 2 digit display on my Climate Control. I found it at the Ford Dealer. It was affordable, but overpriced and no one else would bother stocking it.

Or you could go to a Salvage yard, get a different visor, or strip the part out of a similar Year Ford or Mercury or Lincoln product.

Apr 12, 2011 | 2006 Ford Expedition

1 Answer

I have a 2006 Expedition that acts like it is starving for fuel whenever it changes gears. But when you get on it really hard it does not act the same way. Any suggestions?


Clean the MAF Sensor--CRC MAF Cleaner

TEST--TPS Sensor-with an oscilloscope,
need repair shop for that

Test Fuel Pressure- at rail

O2 Sensors--change front 2-ones closest to engine
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doesnt seem like bearings to me ,could be the ABS though ,i would need to drive it really to have any idea.Ask a local mechanic for a second opinion

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Suspension system off 2006 Ford Expedition - Light says suspension system off- car is riding low. Compressor not coming on


Common failure is the air compressor relay,But in some rare cases the relay will fail due to the faulty air compressor.You may wanna have a shop diagnose the issue before you replace any parts.

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thats strange....it sounds like total fail management mode.... try reseting it by disconnecting the battery for 5 mins , and retry ... one problem known is the starter pig-tail per TSB - 06-19-14 but thats for a NO-START.... check for basic fuel and ign. ...this will be hard due to diag requires a scanner.... all else fails you'll have to go to the dealer/shop for further diag.... hope this helps... or get back to me for what you tried and the outcome......GL

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