Just quit (update)
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Freshman User
Joined: Jan 2012
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All my posts should be on this page. Kind of slow on a computer so bear with me as I ask questions. Hopefully there will be something much easier before I have to replace an oil pump or fuel pump.
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Freshman User
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I believe that all my posts should be on this page. Kind of slow on a computer so bear with me as I ask questions. Hopefully there will be something easier than changing out an oil pump or a fuel pump.
Post Fiend
Joined: Mar 2007
Posts: 26,966
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From: Texas
I found you're other thread. https://www.ford-trucks.com/forums/1...just-quit.html In the future, please just continue updating one thread so we have all the info in one place.
What are you using to pull codes with? If you tried to start the truck with the ICP unplugged, it would have set a P1280 code. If you're not seeing that, then your code reader is not capable of picking up the engine codes on this motor.
Since it died like someone shut the key off, get out a multi meter or test light and check all of your fuses with that. Both under the dash and under the hood. Check the little ones and the big ones. Also swap the relays around to check those out.
What about the fuel pressure test described? Have you tried opening the drain valve and turning the key on yet?
What are you using to pull codes with? If you tried to start the truck with the ICP unplugged, it would have set a P1280 code. If you're not seeing that, then your code reader is not capable of picking up the engine codes on this motor.
Since it died like someone shut the key off, get out a multi meter or test light and check all of your fuses with that. Both under the dash and under the hood. Check the little ones and the big ones. Also swap the relays around to check those out.
What about the fuel pressure test described? Have you tried opening the drain valve and turning the key on yet?
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
If you unplugged the ICP sensor, the CEL should have come on and there will be a code stored (if the engine was running or you were cranking for at least 10 -15 seconds). The 7.3 is not an OBDII compliant motor, so you may need to find a better scanner. The engine was designed by International as a medium duty truck engine and therefore did not have to comply with the OBDII requirements for 96 and newer vehicles.
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Got a diffrent scanner from Auto Zone that they said would work on a 7.3 engine. Scanner said it passed with no codes even after unplugging the ICP sensor. No ERROR came up either that the book said it would if truck wasn't OBD compliant. Freshly charged batteries in truck. No movement on oil guage when cranking. Scanner is an Actron model CP 9175
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This is what most of us have. You can do lots of test with this. Well worth the money. Riffraff Diesel: AutoEnginuity Total Ford Enhanced Bundle
Freshman User
Joined: Nov 2011
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From: Sussex County
That is the original problem with my 99 7.3! I asked my son to check to see if any wires were lose at the fuse box, he is only 11. While I was driving he started pulling on the fuse box. The bus suddebly stopped. I was on the highway and rolled to the shoulder in rush hour traffic. By the way my original problem was a none working radio which I assumed someone had disconnected the fuse or wiring. I wiggled the fuse box and it started up, off we went. It has suddenly stopped 3 times that I know of since. I think it is the main computer wire that may be lose. That is maybe your problem as well. Which fuse and/or wire coloor is for the main computer?
Bruce
Bruce
