5.4 Stall
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Joined: Jul 2007
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From: Spring Lake
5.4 Stall
Well guys, karma is a funny animal, as soon as I start advocating the 5.4 mine starts to give me trouble.
I was out on a date last night with the little lady, and pulled of to a stop light, sittin there it just idled lower and lower until it died. Then it fired right up and hasn't given me any more trouble. Keep in mind it was 16 degrees when this happened.
My first thought is fuel filter, perhaps it has some water in it and had froze or was just full of junk? But why would it just fire back up and give me no problems?
Second thought is fuel pump getting weak? Still, it feeds the beast just fine under all other conditions?
Third though, bad gas? It has a tank of Amoco 89 in there, no where near empty.
After we left dinner I noticed a puddle of blue liquid in the snow by where the the the fender meets the driver side door. All my windshield washer fluid is the pink de-icing stuff... any clue what another blue fluid may be?!?!
I am completely at a loss here guys, and it's even more embarrassing because the little lady is a chevy girl
I can't give her any more reasons to hate the SD...
I was out on a date last night with the little lady, and pulled of to a stop light, sittin there it just idled lower and lower until it died. Then it fired right up and hasn't given me any more trouble. Keep in mind it was 16 degrees when this happened.
My first thought is fuel filter, perhaps it has some water in it and had froze or was just full of junk? But why would it just fire back up and give me no problems?
Second thought is fuel pump getting weak? Still, it feeds the beast just fine under all other conditions?
Third though, bad gas? It has a tank of Amoco 89 in there, no where near empty.
After we left dinner I noticed a puddle of blue liquid in the snow by where the the the fender meets the driver side door. All my windshield washer fluid is the pink de-icing stuff... any clue what another blue fluid may be?!?!
I am completely at a loss here guys, and it's even more embarrassing because the little lady is a chevy girl
I can't give her any more reasons to hate the SD...
Post Fiend
Joined: Sep 2005
Posts: 5,955
Likes: 9
From: Ohio
My truck does the same exact thing. Then i start it up and it runs like a champ. When u start ur truck up on moist days, does it start then stall out. The only way that u can start it is to rev it? Mine also does that SOMETIMES, but its rare.
My answer to ur problem is ur IAC (idle air control) valve? (it allows ur truck to idle) How many miles r on ur truck?
My answer to ur problem is ur IAC (idle air control) valve? (it allows ur truck to idle) How many miles r on ur truck?
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From: Spring Lake
Originally Posted by i eat hybrids
My truck does the same exact thing. Then i start it up and it runs like a champ. When u start ur truck up on moist days, does it start then stall out. The only way that u can start it is to rev it? Mine also does that SOMETIMES, but its rare.
My answer to ur problem is ur IAC (idle air control) valve? (it allows ur truck to idle) How many miles r on ur truck?
My answer to ur problem is ur IAC (idle air control) valve? (it allows ur truck to idle) How many miles r on ur truck?
Never had one go bad before, so I don't know what it feels like when it does.
Post Fiend
Joined: Sep 2005
Posts: 5,955
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From: Ohio
I have heard about them going bad between 100k to 140k. Id replace it, they arent that expensive and they are easy to replace. Im pretty sure they are right behind the throttle body. I would go down to the v-10 forum and tell them that their little brother (the 5.4) is in trouble. Theyll give u the directions on replacing the IAC.
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From: Spring Lake
Originally Posted by i eat hybrids
I have heard about them going bad between 100k to 140k. Id replace it, they arent that expensive and they are easy to replace. Im pretty sure they are right behind the throttle body. I would go down to the v-10 forum and tell them that their little brother (the 5.4) is in trouble. Theyll give u the directions on replacing the IAC.
Post Fiend
Joined: Sep 2005
Posts: 5,955
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From: Ohio
No problem, just go ask for the step by step instructions and they will give them to u. Im pretty sure its on their the same way as the v10, since they share all of the same parts. Good luck, post the results!
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From: Spring Lake
I think I'm going to wait a week or so until I give the beast a tune up and change all her fluids, but I'll be sure to let yall know!
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Lead Driver
Joined: Jul 2003
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From: Wheatland, Mo
You won't need a special socket for the IAC. Just remove the purdy 
cover on top of the intake manifold, and you will see the IAC at the top/back or the manifold. Unplug the harness, undo the two bolts that hold it on, (I think 10MM), and reverse with the new one.
cover on top of the intake manifold, and you will see the IAC at the top/back or the manifold. Unplug the harness, undo the two bolts that hold it on, (I think 10MM), and reverse with the new one.
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I asked the guys here and they posed a pic of it and circled it with a yellow pen....I removed it cleaned it with carb cleaner and a wire brush , reinstalled it (all took about 20 mins) and put 200,000 miles on it no problems since....yea they are 10mm bolts
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From: Spring Lake
Wow, I love ford even more! the general makes them 1-1/8" socket size and they have the bolt portion way up on the front so you have to purchase the "mega deepwell" to service them. I got 10mm and a can of carb cleaner! let the fun begin
Post Fiend
Joined: Sep 2005
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From: Ohio
Originally Posted by BillyBob69
Yea...the black cover over the intake manifold...plastic....Prolly sez "Triton V8" on it.
(Guessing on the cover....I only had a 4.6 in my F150)
(Guessing on the cover....I only had a 4.6 in my F150)
5.4 freedom, let me know how easy it was to clean. I am thinking about doing this to
