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Won't start when Hot

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Old Dec 31, 2007 | 10:54 AM
  #1  
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mechdog
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Won't start when Hot

My 2003 F250 7.3 TURBO-DIESEL superduty will start fine when cold but run it for 10 min or longer and it will turn over but nothing happens ie.... no firing or smoke,sputtering,If I let it sit for 45 min to an hour starts and runs great.I have replaced the Glow Plugs ,Controller and now the dealer says its the ICP which they replaced but it wasn't the problem either.All vital fluids are good water ,oil etc.. I did replace the HPOP and the turbo gaskets before this problem started..ANY ideas are more than welcome, THANK YOU ...KEN
 
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Old Dec 31, 2007 | 12:12 PM
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Was the CPS (CMP or CAMP) replaced? The dealer should replace that under the recall anyway, but that may cause the symptoms you describe.

A bad HPOP will also do this. Could it be you installed a bad HPOP?
 
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Old Dec 31, 2007 | 12:13 PM
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Cam Sensor? Sometimes it won't throw a code when they go bad. If I had a 7.3 I'd put a sensor in the glove box with a 10mm wrench.
 
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Old Dec 31, 2007 | 12:56 PM
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Cmp

Yes the recall part was replaced..the dealer also is the one who did the HPOP so they may installed a faulty one.I am going to call on my truck (as its still at the Ford Dealer )and mention the cam sensor also so I can get my truck back...Thanks to all who responded..Ken
 
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