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1994.5 - 1997 7.3L Power Stroke Diesel  

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Old Jan 17, 2020 | 02:25 PM
  #1  
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pwjackson42
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Starter fixed now this


not sure what is going CEL is on but no codes.

got a P0603 and a P0340. They only showed once and didn’t come back on.
 
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Old Jan 17, 2020 | 04:14 PM
  #2  
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97-psd
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From: knoxville, tn
You need to check the IDM connector with the chart Knotty posted. Sounds like you have a short somewhere. Sounds like the IDM see the problem and has shut down a bank of injectors. I would guess a new valve cover gasket and UVCH is in your future. Mine just did the same exact thing just before Christmas. It sounded exactly like yours does now
 
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Old Jan 17, 2020 | 06:09 PM
  #3  
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Sounds like a dead miss on my end. I would make sure all valve covers plugged into connectors and then IDM ohm out.

At least it is cranking quick!
 
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Old Jan 17, 2020 | 07:18 PM
  #4  
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Yes I’m going to ohm out the pins on the IDM next. I checked the connectors at the valve covers yesterday nothing seemed out of sorts. Supposed to get bad weather here so may not get to it for a few days.
 
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Old Jan 18, 2020 | 11:24 AM
  #5  
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Jarrett Campbell
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From: Aransas Pass, Tx
My truck was doing exactly this on the road from ND to TX. I have a short in my IDM harness, had to isolate the IDM with a towel to get home.
 
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