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Ford Truck Club Forum > FORD F-100 | F-150 SERIES > 2004-2008 Ford F150



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  #1  
Old September 28th, 2017, 07:24 AM
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Thumbs up '06 5.4 running rough TECHRON to the rescue

'06 5.4 XLT 4x4
78,000 miles
I have been driving around my area in the country, where my speed never gets much above 45mph and RPM's stay under 1800

I noticed that when i pulled a load like going up the mountain I get a slight miss. This miss was worst when i opened it up, it started to cough and stumble which finally got better as the RPM's reached 4000, but I still had the miss at low RPM's with a load

Well I remember that glc had recommended using TECHRON prior to plug change
I don't have a Chevron station in my area, just non branded mom & pop stations
I got 2 bottles of TECHRON, enough for 40 gallons of gas, which is about 600 miles of driving
I have got about 500 miles of driving and the problem has disappeared

I'm thinking I had loaded the plugs up with all the slow driving and that's what caused the miss

I may be in need of a plug change, something that I dread; I'm hoping I can get at least 100,000 miles out of the stock plugs

THANKS glc for your TECHRON advice

the air filter stays clean, and the oil is changed regular
any thoughts other than plugs causing this ???


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Last edited by JSoko; September 28th, 2017 at 07:31 AM.
  #2  
Old September 28th, 2017, 10:31 AM
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It's plugs. Ford changed the recommendation from 100k to 60k. Change them before the worn plugs cause the coils to start going bad.

2003 F-150 XL RCSB 2wd 4.2 5 speed 3.55 LS
  #3  
Old September 28th, 2017, 12:49 PM
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kinda what i thought but didn't want to hear that
this is not a job I would do
called 2 Ford dealers for pricing
no hidden charges if a plug breaks
Dealer A. $360 + $12ea if boot needs replacing
Dealer B. $530


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  #4  
Old September 28th, 2017, 03:17 PM
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Dealer B must be going to change coil packs whether they need it or not.
  #5  
Old September 28th, 2017, 07:58 PM
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I would replace the boots.

Why don't you try to do it yourself? The Lisle tool makes broken plug extractions reasonably easy.

Crack the plugs loose 1/8 of a turn, pour some carb cleaner into the wells, let it soak, then work them out, loosening and tightening them till they come out.

High temperature nickel antiseize on the barrels when you replace them, 25 ft/lb, dielectric grease in the boots.

https://www.amazon.com/Motorcraft-SP.../dp/B00YI1HTNI

https://www.amazon.com/Standard-Moto.../dp/B00HFLDMGG

https://www.amazon.com/Permatex-7712.../dp/B0002UENJ2

https://www.amazon.com/Permatex-2205.../dp/B000AL8VD2

https://www.amazon.com/SYNFLEX-HOSE-.../dp/B018GJ506K

https://www.amazon.com/Lisle-LIS6560.../dp/B00267PZUK

https://www.amazon.com/dp/B000NBVFN2..._t2_B00267PZUK

2003 F-150 XL RCSB 2wd 4.2 5 speed 3.55 LS
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JSoko (September 30th, 2017)
  #6  
Old September 29th, 2017, 07:55 AM
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Quote:
Originally Posted by glc View Post

Why don't you try to do it yourself? The Lisle tool makes broken plug extractions reasonably easy.
over the years I have read the TSB, and numerous Threads on the plug removal
with that list; makes it a no brainer for the DIY guy
I understand the use of the Leslie tool

I think the hardest part will be on my back (bending over)
and getting the socket on the plug (things in the way)

any suggestions on what to move out of the way AND what not to move

also, dose it make a difference which carb cleaner to use
I read that the MotorCraft carb cleaner in the red & white can is the best as it turns the carbon on the barrels to goo

Thanks George for the list (gives me confidence)
I will order the parts and do it myself (both of the Dealers are over 35 miles one way in different directions)

I'm sure I will have questions as I dive into this
any thing you can add would be appreciated

Thanks again


EDIT To Add: I found this tool, apparently it is newer & better than the Leslie and will not let the porcelain break - any opinions
https://www.otctools.com/products/fo...-kit-triton-3v ~ price range from $65 - $150

here's the part #/info - Product #: OTC6918 - OTC 6918 Ford Spark Plug Remover Tool Kit - Triton 3V


For Those Who Fought For It...
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Last edited by JSoko; September 29th, 2017 at 09:48 AM.
  #7  
Old September 29th, 2017, 10:19 AM
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I haven't heard anything about the OTC removal tool. I suppose the Motorcraft carb cleaner would be better than some generic stuff, that's actually what the TSB says to use. From what I hear, you may have to lift the fuel rail.

It may be easier on your back if you stand on a stool when doing the job.

Whatever removal tool you get, make sure you can return it if you don't need it and don't open it.

https://www.amazon.com/Motorcraft-CA.../dp/B0011DU14A

2003 F-150 XL RCSB 2wd 4.2 5 speed 3.55 LS
  #8  
Old October 4th, 2017, 10:12 PM
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Quote:
Originally Posted by glc View Post
It's plugs. Ford changed the recommendation from 100k to 60k. Change them before the worn plugs cause the coils to start going bad.
When did the recommendation change occur? I'm just wondering if the dealer may have changed the plugs before I bought my truck. It had 82k on it when I bought it in 2015.


Big T



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  #9  
Old October 5th, 2017, 10:32 AM
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I don't know when they did that, but I do know that it was done because of the removal issues.

2003 F-150 XL RCSB 2wd 4.2 5 speed 3.55 LS
  #10  
Old October 6th, 2017, 09:25 AM
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Hey T


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