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1994.5 - 1997 7.3L Power Stroke Diesel  

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Old Dec 10, 2007 | 08:43 AM
  #1  
powerstroke 96`'s Avatar
powerstroke 96`
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Ssdd

For the past couple of days my truck has been parked in my drive way b\c it isnt running correct. the passenger side of the engine wasnt firing at all. i called the dealership and they said possibly cps, so i got on here and asked you guys and a couple of you said that it may be a harness.
So i tried to start it last night (32*) and it wouldnt start. so i got up this morning and as i was waiting for my ride i went over to the truck and turned the key and it fired right up and ran fine. WTF is going on? im so lost. could a faulty harness cut out sometimes or could it be some kind of sensor, or what about a glow plug relay?
Any help will be much appreciated.
Thanks,
powerstroke 96`
 
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Old Dec 10, 2007 | 08:48 AM
  #2  
tjbeggs's Avatar
tjbeggs
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Joined: Apr 2004
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From: Silver Lake Dunes, MI
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Yep could be bad connection at the valve cover or under the valve cover. should also be a chaffed wire in the main engine harness where it goes over the driverside. Starting could also be the relay or the GP's getting a good conenction with the rest of the injectors.
 
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Old Dec 10, 2007 | 09:24 AM
  #3  
powerstroke 96`'s Avatar
powerstroke 96`
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i found the engine wiring harness on ebay for a 1997 will that work on my 96?
 
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Old Dec 10, 2007 | 09:26 AM
  #4  
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tjbeggs
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From: Silver Lake Dunes, MI
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Yes but it may not be your problem. You really need to do some testing of the valve cover wiring first
 
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Old Dec 10, 2007 | 09:30 AM
  #5  
powerstroke 96`'s Avatar
powerstroke 96`
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i checked the passenger side last night and everything read fine but i was a little weary about the gpr i didnt get a good reading off it wih the ign on.
 
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Old Dec 10, 2007 | 08:27 PM
  #6  
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kellens
Mountain Pass
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I had my entire left bank cut out once. All the under valve cover wiring an valve cover conectors checked out ok. Turned out the IDM went bad. I got a brand new one on ebay for something like $230. My dealer wanted $1300.
 
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