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1994.5 - 1997 7.3L Power Stroke Diesel  

just shuts off

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Old Aug 17, 2010 | 03:18 PM
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just shuts off

My 1997f-350 7.3 shuts off while driving, what could that be?
 
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Old Aug 17, 2010 | 03:36 PM
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Cam Position Sensor is what it sounds like. Did you have the recall done? Even if you did, still could be it. It's right in front of the motor, looking at the crankshaft its at the 10 oclock position. One 10mm bolt and unplug it. I would try that, you should have a spare for sure anyway, they seem to go out more than you would think. Only 25 bucks at ford or IH. Here's part numbers to use

Ford F4TZ-12K073-C
IH 1876736C91

Also, welcome to fte, others may chime in with ideas too
 
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Old Aug 17, 2010 | 05:30 PM
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Does it fire right back up?
 
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Old Aug 17, 2010 | 05:57 PM
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yea it will sometimes then sometimes it dont i have to give it minute also i can smell fuel under the hood when its turned off parked
 
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Old Aug 17, 2010 | 06:00 PM
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When it doesn't fire back up does the tac move

Smelling fuel under the hood sounds like a fuel leak
 
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Old Aug 17, 2010 | 06:03 PM
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okay if its a leak will that cause it to shut off? is it a chance that its taking in air in that line
 
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Old Aug 17, 2010 | 06:19 PM
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yea the tac dose move when it fires up
 
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Old Aug 17, 2010 | 07:37 PM
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I don't think the leak will cause to die/ is the tac moving when it will not start
 
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Old Aug 17, 2010 | 10:24 PM
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id do the CPS man it is a cheap fix and that's what it sounds like to me. On the times it fires right back up is it a little rough starting?
 
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Old Aug 17, 2010 | 10:42 PM
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don't know if the tac moves or not but i will check. 95psdieselp what is CPS? yea it has been starting kinda rough the last few times
 
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Old Aug 17, 2010 | 11:06 PM
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CamShaft Positioning Sensor sometimes when it is going out it will either not start or start rough
 
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Old Aug 17, 2010 | 11:12 PM
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ok thanks i will check it out
 
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Old Aug 17, 2010 | 11:12 PM
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.....X2...... on the CPS, $25 part and it is good to have a spare one anyway.
 
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Old Aug 17, 2010 | 11:19 PM
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i looked down under the turbo and their is fuel there. that tells me that it is a leak but can't tell where its coming from. is their a fuel filter in there that removes the water
 
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Old Aug 17, 2010 | 11:24 PM
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The two lines coming from behind the fuel bowl check those they have the act of splitting on occasion. also yes it has a water separator and the valve is on top of the fuel bowl.
 
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