7.3 dies without warning - Ford Powerstroke Diesel Forum
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Old 04-25-2014, 11:17 AM
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7.3 dies without warning

2002 F-250 with the 7.3. It runs fine without any problems and then each of the last two days it will act like a misfire and die altogether while I'm driving. It has also "misfired" three times without dying, but then it runs fine. After it dies, it won't restart right away, but will after it sits a while. I replaced the CPS yesterday with no change. After reading through many threads, I'm thinking maybe the IPR or even the seals on the IPR, or maybe the screen on the fuel pickup. Any thoughts or tests I should run? Thanks in advance.
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Old 04-25-2014, 08:12 PM
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Anybody out there?
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Old 04-25-2014, 08:28 PM
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pull the plug on your icp sensor. is it oily?
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Old 04-26-2014, 05:36 AM
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I will check it and report back. Thanks
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Old 04-26-2014, 07:11 AM
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sounds either icp or ipr related to me. lemme know what ya find with that plug. im going through the same thing right now ha
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Old 04-26-2014, 08:23 AM
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No oil on ICP plug
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Old 04-26-2014, 08:51 AM
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I had a problem very similar to this and it turned out that the nut on the back of the ipr had come loose and was just sitting in the engine valley. Just something that you might check
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Old 04-26-2014, 10:45 AM
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ya that will do it ^

you could have wire issue with the ipr too.

what cps did you replace it with?
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Old 04-26-2014, 01:29 PM
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Quote:
Originally Posted by blue99stroker View Post
ya that will do it ^

you could have wire issue with the ipr too.

what cps did you replace it with?
I got one from Advance Auto. (I know, I'm thinking I should pick one up from the dealer Monday)
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  #10  
Old 04-26-2014, 02:08 PM
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ya the ones from advance auto are junk.

i would definately get a different cps.
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