Motor stalling! - Ford Powerstroke Diesel Forum
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Old 10-15-2013, 10:19 AM
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Motor stalling!

So, I have an 02 F350 4x4 7.3. Has just shy of 200,000 miles on it and it recently has started stalling randomly. I cannot repeat it, just happens from time to time and am not sure what causes it. I have recently replaced the CPS and I thought that it may have worked but then it came back worse. It is possible that I got a bad one as this happens frequently with sensors, but I'm not sure. Anyway, back to the problem. It usually only stall for 1-2 seconds but as much as to 5-7 seconds. I'm in the throttle and then it's like there is nothing there and just drops back down to idle. Haven't had a chance to trace the wires back yet, but looking for other suggestions or possibilities?? Thanks for any help in advance!
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Old 10-15-2013, 11:42 AM
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Are you talking about Stalling? Do you have to restart because it actually shut-off?
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Old 10-15-2013, 12:41 PM
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No restarting. It just drops down to idle and stays there while I keep feathering the throttle until it picks back up right where it left off.
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Old 10-15-2013, 12:44 PM
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Almost like its not reading that I'm in the throttle temporarilybut I've recently redone the wiring associated with the electronic fuel pedal and it was doing it before that too soo I kind of ruled that out.
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Old 10-15-2013, 01:10 PM
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Yea, check the OD wires under the column cover.

Here's a good link -> https://b7445ba3-a-62cb3a1a-s-sites....attredirects=0

Also, it's not uncommon for the TPS (Throttle Position Sensor) at the top of the pedal to crap-out.
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Old 10-16-2013, 06:00 PM
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Awesome, very good and I will be checking this out soon and let you know. I appreciate your input!

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Old 10-17-2013, 08:54 PM
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I am also very curious what you find out. I have an 01 7.3 and mine does the exact same thing. I replaced the CPS and it subsided greatly, but it still stalls out every once in a while. I have a water in fuel light that comes on though.
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Old 10-18-2013, 05:08 AM
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Yeah, you probably just need to replace filter and I usually soak the water out with a clean rag too. But I will probably dig into this tomorrow and tell you my results after a while bc it doesn't happen everyday

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Old 10-18-2013, 06:21 AM
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Try unplugging the ICP. If that stops the problem, you will need to replace the ICP. Oil inside the connection is another sign that it could be going bad.

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Old 10-18-2013, 10:16 AM
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As I was just posting on another thread, it might could be the IPR sensor. The nut on the end of mine was loose but that caused the truck to all together die. I could usually start it right back up, however it would sometimes run really weak for a bit afterwards. For the 10 seconds it would take to check its worth the time.
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7.3, cps cam position sensor, stalling while driving

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