Question about 2004 Dodge Ram 2500

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2004 dodge 3500 diesel 24 valve fass fuel lift pump wen bad replaced it with in tank fuel pump and its pumping fuel but wont start it has smarty jr and un tuned it stil wont start ?

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  • Dodge Master
  • 42,705 Answers

Suggest that you bled the system including the pump and get all the air out.

Posted on Dec 29, 2013

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Posted on Jan 02, 2017

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SOURCE: 04 dodge diesel cuts out while driving at speed

Hi. I had the same problem on my 2004 Dodge Ram 3500 Cummins. I went to the dealer and they did a bunch of diagnostics and they replaced my fuel pump. At the same time they put in a retrofit kit that moved the fuel pump to the inside of the gas tank. I have not had the problem since. The cost was about $1,200, but my 100,000 mile drivetrain warranty covered it and I had to pay the $100 deductible.

Posted on Dec 27, 2008

smokin_duall
  • 22 Answers

SOURCE: dodge 3500 diesel lift pump

When the key is turned to the start position, the pump should run for about 20 seconds. Do this 3 or 4 times to prime the pump.

If it still doesn't start, the bad lift pump may have damaged the injection pump. Crack a fuel line loose (don't remove it) and turn the engine over, you should have fuel at the fitting.

Posted on May 20, 2009

  • 69 Answers

SOURCE: I have a 1998.5 dodge 5.9 cummings diesel 24 valve

It was located on the drivers side of engine close to fuel filter housing, but dodge has been selling and installing kits that change it to the in tank style for quite some time, so if not on block it must have been converted at some time.

Posted on Jan 05, 2010

  • 594 Answers

SOURCE: 1998 Dodge Ram2500 24 valve diesel won't start

check fuel shut off selenoid at fuel pump
may be week when hot

Posted on May 10, 2011

  • 2 Answers

SOURCE: diesel cuts out while driving

its not the lift pump i been dealing with it for a year now and no help from anybody just a bunch of parts changed and time wasted and money spent to still have the same problem.. dont wast the time changing lift pump as long as you have fuel psi aprx. 10 psi to pump... if you figure out the problem let me know thanks... mine is a 01 made in canada.

Posted on Aug 08, 2012

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1 Answer

Dodge 3500 diesel wont start with fuel cap on


PLZ BE SURE PUMP IS PROPERLY PRIMED AND NO FUEL LEAKS THROUGHOUT SYSTEM. Hope this helps

Jan 27, 2013 | 2000 Dodge Ram 3500

1 Answer

2000 dodge ram diesel 2500 . What is a fuel injection pump mechnical failure? a fuel valve feedback circuit?


This usually happens when the lift pump gets worn and fuel pressure drops below 7lbs and the injection pump has to work harder by pulling in the fuel and will destroy the pump,your is probably a vp44 fuel injection pump it needs replaced and they are expensive 1200.00+ but also change the lift pump or change to a fass fuel system,if the lift pump went out and you replace the injection pump it will ruin it in a short time.
The injection pump is not an easy job to change or for a novice mechanic as it has to be set in time with the engine at top dead center,and then the whole fuel system needs to be bleed of air.

May 21, 2010 | 1999 Dodge Ram 2500 4WD

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2004 dodge p0628 code does not start


those year trucks have bad lift pumps on the diesel engine. it is located near the fuel filter. they are also known for starving the injecter pump for lubrication oil due to the pumps low capacity. it is now recomended that an in the tank pump change over kit be installed

Mar 23, 2010 | 2004 Dodge Ram 3500 Truck

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I have a 2001 dodge cummins 24 valve that if it sits for a couple of hours or more it is hard to start, as soon as it starts and i shut it of it starts right up, had new injector **** and lift pump put on...


I have a 2002 dodge 3500 diesel and just replaced the lift pump and thr fuel filter . I blead the pump and it stared right up, but Ishut it off and now I cant get it to turn over.

Feb 08, 2010 | 2002 Dodge Ram 3500 Truck

1 Answer

Truck ran completely out of fuel.


is there a primer valve on the pump? it would unscrew and then pull out if it had one. take a look around the injection pump. but i belive that uses an electric lift pump it should not need to be primed there may be something else going on here.

Mar 15, 2009 | 2006 Dodge Ram 3500 Truck

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04 dodge diesel cuts out while driving at speed


Hi. I had the same problem on my 2004 Dodge Ram 3500 Cummins. I went to the dealer and they did a bunch of diagnostics and they replaced my fuel pump. At the same time they put in a retrofit kit that moved the fuel pump to the inside of the gas tank. I have not had the problem since. The cost was about $1,200, but my 100,000 mile drivetrain warranty covered it and I had to pay the $100 deductible.

Dec 23, 2008 | 2004 Dodge Ram 3500 Truck

1 Answer

2001 dodge 2500 diesel 24 valve intermitant hesitation


Have you ever had the mechanical lift pump go out on these vehicles? If the fuel pressure drops under 5psi on the VP44 injection pump for any length of time, the diaphrams get weakened and especailly when the warmer seasons come back, you will notice fuel delivery problems. A new/rebuilt pressure pump is required! Sorry for the bad news, if indeed this is the case. One solution/prevention is to replace the lift pump with the upgraded Mopar (goes into the tank now) or an aftermarket pump like the FASS pump or the like. Anyone that has the VP44 injection pump should upgrade ASAP! This is a common problem on the OEM mechanical lift pump on this particular run of Rams. Need to do it before you run up a costly repair bill later on down the road. The stock/OEM lift pumps WILL go out, sometimes as little as 12k miles, sometimes 50k miles.....I had 3 go out, Stock at 43k, Mopar replacement lasted 31k and the 3rd (aftermarket OEM) lasted 14k. I had a fuel pressure guage installed a very long time ago to alert me of failures. The 4th go around I installed the FASS and now it maintains 21 to 27psi even with chip mods switched to extreme! I am still on original VP44 pump (knock on wood!)
Good Luck!

Dec 15, 2008 | 2001 Dodge Ram 2500 Truck

2 Answers

Dodge 3500 diesel lift pump


When the key is turned to the start position, the pump should run for about 20 seconds. Do this 3 or 4 times to prime the pump.

If it still doesn't start, the bad lift pump may have damaged the injection pump. Crack a fuel line loose (don't remove it) and turn the engine over, you should have fuel at the fitting.

May 31, 2008 | 1998 Dodge Ram 3500 2WD

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