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1994.5 - 1997 7.3L Power Stroke Diesel  

7.3 no start continued

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Old Jan 24, 2018 | 11:30 AM
  #166  
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Originally Posted by madpogue
No, a new CPS won't make it rev faster. You need to charge the batteries.

And actually, 150 RPM should be juuuuuust enough to start it.
I'm going to hook some cables and the charger to it tonight and see what happens.
 
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Old Jan 24, 2018 | 12:39 PM
  #167  
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Yes you could have leaking oring on injector even with that low miles on them.
Checking ICP with real gauge can help find that by hooking gauge to one head and blocking off the line to other head.
 
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Old Jan 24, 2018 | 07:55 PM
  #168  
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7.3 died, no start

Hey folks, hello from Porter Texas.
I'm not sure if I'm jumping in the conversation correctly, but I need some help.
I have a 96 psd, 325K miles, all stock except cold air intake.
Today while cruising at 60 ish, the truck just died. While trying to re-start, the WTS light did not illuminate. I know the light works, worked earlier. the truck turns over, but no start. Fuel level is good.
I'm pretty much a novice at troubleshooting this truck, but here is what is new/recently new: fuel pump, glow plugs, GP relay, GP/injector harnesses about 2 years ago.
Please help with some troubleshooting guidance.
PCM?
Also, the truck has stalled/bucked around 1000-1500 RPMS lately, not sure if that is related to the DOA/no start.
Thanks in advance.
 
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Old Jan 24, 2018 | 09:06 PM
  #169  
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Since this thread is still active, can you start your own thread? Otherwise it becomes confusing trying to determine what replies are tied to what original issue.
 
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Old Jan 25, 2018 | 06:27 AM
  #170  
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Originally Posted by Matt5214
the injectors were done early 2017 I've pulled one valve cover and everything looked good underneath. The ipr is new and now that it is wired correctly I've been getting response from it not saying either of those could be an issue but imo I think everything there is fine. I have had the truck apart and back together now numerous times. I will try pulling the chip and see what that does when I have the time we have been super busy at work due to the ground thawing out. So it's hit and miss when I can get the time right now.
Who rebuilt the injectors? Just because they're freshly rebuilt doesn't mean the o-rings aren't the issue.

Originally Posted by Matt5214
I'm going to hook some cables and the charger to it tonight and see what happens.
Let us know what happens. Troubleshooting is about taking one thing at a time, in order and seeing it through to completion. Sorry if it seems pointless or slow at times, but that's the way to do it if we're going to work through the process.

Originally Posted by turkdaddy
Hey folks, hello from Porter Texas.
I'm not sure if I'm jumping in the conversation correctly, but I need some help.
I have a 96 psd, 325K miles, all stock except cold air intake.
Today while cruising at 60 ish, the truck just died. While trying to re-start, the WTS light did not illuminate. I know the light works, worked earlier. the truck turns over, but no start. Fuel level is good.
I'm pretty much a novice at troubleshooting this truck, but here is what is new/recently new: fuel pump, glow plugs, GP relay, GP/injector harnesses about 2 years ago.
Please help with some troubleshooting guidance.
PCM?
Also, the truck has stalled/bucked around 1000-1500 RPMS lately, not sure if that is related to the DOA/no start.
Thanks in advance.
You're best off to start your own thread so you can get the attention and help you need. Plus it's kind of a faux pas to jump in on the middle of someone else's thread.
 
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Old Feb 2, 2018 | 07:06 AM
  #171  
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Any updates here?
 
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Old Feb 2, 2018 | 07:43 AM
  #172  
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Originally Posted by DIYMechanic
Any updates here?
I will be putting a new hpop in this weekend I've checked over everything I can with what I have so if this doesn't fix it it will be getting taken somewhere even though that's not the route I want to take
 
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Old Feb 3, 2018 | 09:05 AM
  #173  
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Urgent

Originally Posted by Matt5214
I will be putting a new hpop in this weekend I've checked over everything I can with what I have so if this doesn't fix it it will be getting taken somewhere even though that's not the route I want to take
so quick question there is a metal line that runs to the bottom of the exhaust back pressure sensor. Is this important for the truck to run? Reason I ask is because I just broke it and need to know if it is serious or if it can be waited on and were I would buy a new line for it.
 
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Old Feb 3, 2018 | 09:16 AM
  #174  
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It'll run, but probably not well. Plus, it'll leak exhaust (albeit very little).
 
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Old Feb 3, 2018 | 09:17 AM
  #175  
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Originally Posted by madpogue
It'll run, but probably not well. Plus, it'll leak exhaust (albeit very little).
can I cap it for now and leave the sensor unplugged and how hard is the line to change
 
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Old Feb 3, 2018 | 09:22 AM
  #176  
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Exhaust Back Pressure Tube EBP 94.5-Early 97
 
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Old Feb 5, 2018 | 08:44 AM
  #177  
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You can cap it. It's debatable whether the sensor actually does anything for the running characteristics of the engine. Some say it does, others say it doesn't.
 
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Old Mar 3, 2018 | 11:19 PM
  #178  
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Well guys I pick the truck up from the shop tomorrow..... not fixed but they are saying it is the pcm. Said they are seeing oil pressure fuel pressure and all injectors buzz. Guess they did some sort of test on the pcm and it came back faulty
 
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Old Mar 3, 2018 | 11:26 PM
  #179  
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Quick question as well will Chevy 8 lug wheels fit our trucks? I'e read a bunch of different things. A lot of people said they won' on the back axles but will they got the front axles? Need smaller wheels to get my truck loaded up
 
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Old Mar 4, 2018 | 12:10 AM
  #180  
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So what exact test did they do? If it's doing a buzz test and reading oil pressure, the PCM is at least doing something.
 
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