7.3 PSD stalling
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Joined: Sep 2007
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7.3 PSD stalling
Greetings all you FoMoCo gearheads, i have a '99 F250 7.3 PSD and it has been stalling during 30 mile trips back and forth to work. Both high and low speed, starts right back up and usually runs for a few minutes then often happens again. Just over 100K on the odometer, replaced the fuel filter near intake less than 6 months ago. "check engine" light comes on, but goes out if i restart it. I suspect a fuel delivery problem, but don't want to invest in a new pump without some solid troubleshooting first. Is there another filter along the frame rail under driver side that could be an issue? I have heard crank position sensor thrown around as a possible issue, is this difficult/expensive to check/replace? any advice is helpful.
Thanks for yout help, in advance.
Thanks for yout help, in advance.
Post Fiend
Joined: Feb 2000
Posts: 11,496
Likes: 6
From: Kansas
Welcome! 
You need the expertise of the tech forums. You can click on the Forums tab at the upper left or you can go straight to the 7.3 engine forum: https://www.ford-trucks.com/forums/forum31/
Lots of help from those who have them in there.
You need the expertise of the tech forums. You can click on the Forums tab at the upper left or you can go straight to the 7.3 engine forum: https://www.ford-trucks.com/forums/forum31/
Lots of help from those who have them in there.
Post Fiend
Joined: Jan 2006
Posts: 20,589
Likes: 2
From: Charlotte, NC
Camshaft Position Sensor. A good one from International used to be about $100, but according to some guys who've bought one from Ford recently, there's a good replacement for about $25.....Doesn't hurt to keep a couple handy.
Do a "search" for "CPS" and you'll learn all kinds of stuff, but yeah; that's probably what it is.......Easy to change one out.
Do a "search" for "CPS" and you'll learn all kinds of stuff, but yeah; that's probably what it is.......Easy to change one out.
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