Truck turns off or sputters at one stop light!! - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 06-25-2013, 08:42 PM Thread Starter
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Truck turns off or sputters at one stop light!!

I have an odd case here and i'd like to know if anyone else has had a similar issue. I have a 1999 4wd f250 crew cab with a 7.3. I had about a quarter tank of fuel and stopped at a redlight the other day after sitting there idling fine for 5 or 6 seconds, the truck turned off like i had just turned the key off. thinking it may have gotten a bubble in the fuel because of the low fuel i drove on and parked it. But later i got curious and went back to the same light and it started sputtering like it was dying. I dismissed it as low fuel. Tonight, I filled up and had a full tank and decided to go to the same light again to see what happened and sure enough it started sputtering like it was going to die again. It only happens at this one light, and it happens every time i stop there. Interesting that there is one of those magnetic loops to sense traffic at this particular light. My initial thought now is that the magnetic field created by the inductive loop is messing with the magnetic signal that the camshaft position sensor receives. Any ideas or remedies?
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post #2 of 2 Old 05-01-2015, 11:59 AM Thread Starter
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This issue was due to an aftermarket ICP sensor that was not shielded properly against radio interference. It also happened at airports and radio towers. Only use a motorcraft ICP sensor in a 7.3.
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