A failed LP is common on the 03 and up CTD's that have not had the new, pump in tank mod installed. The truck WILL NOT run with a dead LP and there is often not much warning. Sometimes it's hard to start or stalls a couple of times just before it dies all together but thats about it. Fortunately, a weak or dead LP wont hurt the CP3 (high pressure pump) like it did on the older VP44 equiped trucks.
Scott, Grace and Wesly
2003 Dodge 3500 4x4, 6 speed Cummins (lightly bombed),
2004 Forest River 25RKS many, many mods.
H0NDA eu2000i
ScottG wrote: A failed LP is common on the 03 and up CTD's that have not had the new, pump in tank mod installed. The truck WILL NOT run with a dead LP and there is often not much warning. Sometimes it's hard to start or stalls a couple of times just before it dies all together but thats about it. Fortunately, a weak or dead LP wont hurt the CP3 (high pressure pump) like it did on the older VP44 equiped trucks.
I assume you're talking about the 03 and up because my '01 will run on VP power alone. I wouldn't suggest letting it do it, but in an emergency it can get you out of a bind.
2003 299 TB Coachman SOA TT
2001.5 Dodge QC Shortbox 4x4 Auto Cummins
Quadzilla XZT+, Stage 3 Jammer Nozzles, BD J Hook
HTS Trans
Full Gauges
Jordan 2020 Ultima Controller
1978 17' Glastron Carlson (115 Mercury, Hotfoot, completely restored)
I know a guy that went to a dealer even tho he wasn't having any problems but the dealer put the in-tank pump on his truck and they left the stock lift pump in place.If you have problems with your pump the dealer will install the new one in the tank.
The lift pump is the weak link and can cause major injector pump failure quickly. Water and/or low fuel pressure is what kills most of these injection pumps.
Since my 1998 2500 CTD is out of warranty I keep a spare lift pump, fuel filter, and tools to change them under the seat just in case of failure on the road. The injection pump cost too much for me not to be prepared.
Here are a some sitesthat may be of interest NW Bombers and Turbo Diesel Register there are a lot more diesel sites out there that have good info on them, these are two that I use all of the time.
I got a bit interested in reading this thread, and lately my Cummins takes a bit more cranking to get her started and doesnt seem to have the power it used to (03 HO with 50K)so I called the dealer where I bought it from (there service dept.) and talked to one of the techs there. He recommended not going to the intank design because it didn't have the pressure of the current one, and that if I needed it replaced he recommended buying it from Cummins directly for a little over $200 and just replacing it myself, yes they would be more than glad to do it under warranty and put in the intank design he said, but recommended against it, has anyone else heard of this? he said the one that I have now gives around 18psi and the new one will only give around 10 to 11psi.
03 Dodge Ram 2500 Cummins HO QC LB HD 4X4 3.73 6 speed manual
1992 NU-WA Hitchhiker Premier 32' with slide
Tekonsha P3 brake controller
Q5 Fifth wheel hitch
I am going with the monitoring with a gauge, and carring a spare lift pump crowd. If you get the vulcan Big Line / Relo kit, it takes about 10 min to change.
2011 Palomino Maverick 1000SLLB on a 2004 Dodge Quadcab CTD Ram3500 SRW long bed equipped with Timbren springs, Stable Load bump stops, Rickson 19.5" wheels/"G" range tires and a Helwig "Big Wig" rear anti sway bar.
A fuel pressure gauge is cheap insurance. Also consider installing a exhaust gas temperature gauge at the same time. It'll let you keep your temps safe when towing and not shut off the engine when it's too hot. It's a pretty simple install although I believe it's harder on the 3rd genenation trucks. Another good Dodge Diesel site is www.dieseltruckresource.com
2002 Dodge diesel quad cab 4x4 5 speed, Edge EZ, gauges. Looking for something to pull.
As afar as the question from Lost One, I think he may be somewhat right but think about this, The run from teh tank tot eh pump is at least 6-10 feet. The pump from my information is designed as a pusher where the tank may be higher than the pump therefore no strain in terms of suction for the pump. The replacement may have less pressure but the Dodge test for damage/replacement is based on volumn that is pumped in a specified time frame. Plus the intank pump is a pusher (much easier on the pump to push that pull) therefore should have a l;onger pump life. If you still are in doubt go with a much better pump such as the FASS or any of many other pusher pumps that are mounted outside the tank on the frame rail near the tank, problem is most of them are not able to be installed under warranty and second most are more expensive than the in tank replacement. You still also need the by-pass kit for the original pump mounted on the filter housing to get proper flow and to maintain the fuel heater (I think on this one).
2003 Cedar Creek 30RLBS
2007 Dodge 5.9 Cummins Turbo Diesel 325hp/610Tq
4x4 3.73 axles short bed
Inferno Red W/Gold pinstripping
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