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  #1  
Old 04-28-2013, 07:55 AM
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no start, no dtc's

under heavy acceleration when rolling back out of the throttle truck dies. usually restarts. last time it died wouldn't start again. it had some codes for the egr but its because of my full delete. after it wouldn't start I skanned for codes and even the usual egr codes were gone.
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Old 04-28-2013, 08:03 AM
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Do any dash lights come on when it dies?
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Old 04-28-2013, 08:11 AM
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I cant recall. what would be the difference if they did or didn't. I am thinking its the crank sensor. because I don't have a tach signal when cranking. are these as prone to going out as the 7.3s
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Old 04-28-2013, 09:00 AM
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The reason I asked is that my truck used to die on me while driving and then not want to restart every time. I would get the WF light and the glow plug light when it would die. It ended up being a bad FICM to injector harness. As far as the crank position sensor, everything I have read and been told is that they as common of a problem as the 7.3s are. The crank position sensor DTC is P0335, so if you aren't getting that than I wouldn't think that is the problem.

What device are you using to pull codes?

Also, based on your sig, it looks like you have 7.3 mods.
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  #5  
Old 04-28-2013, 09:20 AM
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I used to have a 7.3 never changed my sig. using a snap-on modis. the reason I thought crank sensor is I have no tach signal while cranking.
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  #6  
Old 04-28-2013, 09:26 AM
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Oh ok.

Hmmmm... can you check ICP and IPR values while cranking?
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  #7  
Old 04-28-2013, 09:32 AM
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yes but I have to go get my scanner from the shop ten miles away. it has a new ipr in it. it takes a while of cranking to get the oil pressure gauge to come up. the wf light flashes then everything goes dead. no signal to anything on dash
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  #8  
Old 04-28-2013, 09:35 AM
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Interesting. I assume you have pulled all the connections at the PCM, checked and cleaned them, and the replugged them in.
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Old 04-28-2013, 09:41 AM
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that was done when I replaced the irp about 500 miles ago.
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