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1999 - 2003 7.3L Power Stroke Diesel  
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7.3 missfire

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Old Sep 7, 2022 | 10:51 PM
  #1  
dustinc2191's Avatar
dustinc2191
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My 2000 7.3 has a missfire now after it wouldn't start so I got a parts truck that was running and started swapping parts changed the hpop the fuel pump has a new IDM a new CPS a new IPR a new ICP checked the wires on the valve cover.

The mechanic tried to hook up his code reader and it wouldn't pick up my truck for some reason could the hpop not be producing enough or could I have water in the fuel ohh and the service engine soon light comes on and stays on when the truck is running didnt do that before

When the truck was running It was running great no missfire or anything then it wouldn't start so started swapping parts.


 
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Old Sep 8, 2022 | 02:25 PM
  #2  
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From: Lake Stevens, WA
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You need data - don't guess. Recommend putting a scanner on it that can read your truck. A cheap and effective method using FORScan and an OBDII dongle below:

https://www.ford-trucks.com/forums/1...d-q-and-a.html
 
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Old Sep 8, 2022 | 02:43 PM
  #3  
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You need to hook it up and see if there are any codes as aforementioned. It would also be a big help to have more information on the truck...like mileage, modifications, etc....
 
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Old Sep 8, 2022 | 03:32 PM
  #4  
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kbeefy
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From: Eastern Washington
What fixed the no start?

When you find someone that can scan the truck and get codes, also try a buzz test.
 
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Old Sep 8, 2022 | 07:03 PM
  #5  
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Bitterroot Diesel
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From: Florence, MT
Fuel pressure post filter?
 
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Old Sep 9, 2022 | 12:15 AM
  #6  
FinnishStroker's Avatar
FinnishStroker
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From: Kinnula,Finland
Amazing how "mechanics" don't still know that generic scanners don't work with these engines..
 
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