24 Valve 2nd Gen Dodge Cummins 98.5-02 Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps
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fuel problems

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  #11  
Old 10-18-2010, 06:30 PM
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doesn't the air dog or fass aid the in tank pump?
 
  #12  
Old 10-18-2010, 07:02 PM
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they are replacement pumps...or you can run more than one in-line.
 
  #13  
Old 10-18-2010, 07:37 PM
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Originally Posted by rollincoal1
doesn't the air dog or fass aid the in tank pump?
You would have been wise to go with a Fass or Airdog instead of the intank pump. If you decide to go that way and bypass the intank pump - you can just get a Vulcan Performance Drawstraw V and you dont have to take the pump out of the tank.


Have you scanned the truck for codes? If not, you probably should.


I think the ECM sends the power to turn on the lift pump?? Not 100% sure though
 

Last edited by Dr. Evil; 10-18-2010 at 07:43 PM.
  #14  
Old 10-18-2010, 07:55 PM
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the dr has good advice!
 
  #15  
Old 10-19-2010, 07:42 AM
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what kind of codes would it send. i don't have a code reader.
 
  #16  
Old 10-19-2010, 08:04 AM
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You should not own one of these trucks if you dont have 1) a code reader and 2) a fuel pressure guage.

Trying to diagnose problems without a code reader is like changing oil blindfolded.
 

Last edited by Dr. Evil; 10-19-2010 at 08:08 AM.
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