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5.4L triton help!

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Old Jan 24, 2024 | 01:51 PM
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5.4L triton help!

So, I have a 1999 Ford F-250, with the 5.4L triton engine. A while ago I was driving home from work, I stopped to get fuel, and checked my oil. (Which was full.) And about five minutes later I went to take off from a stop sign, and had no power, the truck struggled to get more than 30 miles per hour, I stepped on the throttle a little harder, the truck got to about 50 MPH. Then suddenly lost oil pressure. Not a tick, knock, ping or any other abnormal noise. My engine temperature was normal, too. As soon as I saw the oil pressure gauge drop I shut off the engine and coasted to the side of the road. I tried to start the truck, and all I got was a click from the starter, I towed the truck home, pulled the spark plugs, to see if I had water in the cylinders, nothing. I tried to turn the motor over by hand and it was locked up. Prior to stopping for fuel, the truck was running fine!

What could my problem be?
 
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Old Jan 24, 2024 | 05:53 PM
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How does the oil look now?
 
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Old Jan 24, 2024 | 05:58 PM
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Originally Posted by '89F2urd
How does the oil look now?
The oil looked alright when I checked it. I didn't see any shavings or abnormality in it.
 
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Old Jan 24, 2024 | 06:02 PM
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If you can't turn it over by hand, it's either a seized engine or seized trans pump (could be a few other things, but these are the likely items). Bump the starter a bunch of times, like rapid click click click click click click click and see if that frees it up. It's a good idea to pull all the spark plugs for this step. Drain the oil and see if there's any metal in it.
 
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