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Duramax Loses Power

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  #11  
Old 05-10-2008, 12:05 AM
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Is this problem resolved?
 
  #12  
Old 05-12-2008, 10:39 AM
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The code is P0093
 
  #13  
Old 05-12-2008, 11:06 AM
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Default DTC P0093

There a number of things that can set that code off.

Excessive fuel Return to the tank
An empty fuel tank
Fuel injection pump failure
Fuel pressure regulator failure
A restricted Fuel Filter.


If you have to prime the fuel system, check for the following conditions:
A restricted fuel supply line
A fuel supply line air leak.





Have you changed your fuel filter since this has started happening?
 
  #14  
Old 05-12-2008, 11:21 AM
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No I have not changed the filter since
I had 3/4 of a tank the last time
 
  #15  
Old 05-12-2008, 11:28 AM
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Try changing it, even though its been 9k miles sometimes you can get a bad batch of fuel.
 
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  #16  
Old 05-12-2008, 01:15 PM
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I've had one plug up at 8K because we were getting some bad fuel in the area for awhile. Change the filter and lets go from there.
 
  #17  
Old 05-18-2008, 02:39 PM
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Any new developments?
 
  #18  
Old 06-09-2008, 12:18 PM
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It was the fuel rail pressure sensor

---AutoMerged DoublePost---

It was the fuel rail pressure sensor
 

Last edited by IH340Greg; 06-09-2008 at 12:18 PM. Reason: Automerged Doublepost
  #19  
Old 06-15-2008, 11:49 AM
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Resolved
 
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