2004 5.4 Sputtering on slight accel
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From: North East Arkansas
2004 5.4 Sputtering on slight accel
I am trying to help a buddy with his truck. It is a 2004 f-150 with the 5.4. When you are driving the truck at a steady throttle and you come up on a slight grade that you just slightly need to accelerate, the truck will miss and sputter. If you accelerate harder, it will quit sputtering and run like normal. If you hold it steady, it continues to sputter until the speed levels off. The CEL will come on if you keep it sputtering for 10 or so seconds, but it goes off when the sputtering stops. It also does the same thing if you are at highway speed, let off for a second and go to speed back up. Does it sound like throttle position sensor?
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More then likely you need to change the spark plugs. Mine did this exact same thing. Changed the spark plugs and they were really worn out. Runs perfect again.
also what are the codes from the Check engine light? That could help you find out what is going on.
What is the mileage on the truck?
also what are the codes from the Check engine light? That could help you find out what is going on.
What is the mileage on the truck?
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Joined: Nov 2013
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Mudslinger, Mine did that same thing last year also. Agree with Wolfy. Spark plug change was all it needed. I was afraid of them breaking before I took it to the repair shop because I had heard of the horror stories, but they only broke one upon removal. Runs fine ever since. Except for a unrelated problem.
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2nd Gear
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Same issue but new plugs
I’m having the same issue, but I have brand new plugs and ignition coils. it started when I ran regular gas instead of premium. I switched back to premium and it smoothed it out for about 100 miles but now it’s doing it again. Also having to put a quart of oil in about every 800ish miles. Exhaust isn’t smoking at all. 04 5.4 triton with 120k miles.
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Step 1: Always reach for the code scanner to read if you have stored codes or recorded misfires.
Otherwise you (and us) are firing blind.
It is not unusual for an older engine to loose oil.
Most times it is though leakage & some burning.
If your engine is dry & leak free (unlikely) then the only other place the oil can go is past the rings, into the combustion chamber & out the tail pipe.
You don't have to have much noticeable smoke to be burning oil.
Mine burns though some oil every 1000'ish miles & also no smoke out the tail-pipe.
Otherwise you (and us) are firing blind.
It is not unusual for an older engine to loose oil.
Most times it is though leakage & some burning.
If your engine is dry & leak free (unlikely) then the only other place the oil can go is past the rings, into the combustion chamber & out the tail pipe.
You don't have to have much noticeable smoke to be burning oil.
Mine burns though some oil every 1000'ish miles & also no smoke out the tail-pipe.
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