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  1. 98.5-02 Non-Powertrain
    This writeup was done by a fellow Cummins forum member, but being buried in the 12v section. i doubt any one would find it while searching the web for a solution to the vp44 stock lift pump problem, so i thought it would be good to give it a bit of a bump , it may be overkill for stock- close to...
  2. 98.5-02 Performance Parts Discussion
    Hello I have a 1998 Ram 3500 24v 5.9 cummins. I bought a airdog 2 4G 100gph lift pump. After installing the unit I put my key in the ignition to bleed the lines, upon doing so my dash now reads check engine and the truck does not crank. The code it is throwing it P1689. Please help because I...
  3. 98.5-02 Powertrain
    Hi all I'm new to the forum and this is my first cummins truck. It's completely stock aside from the vp44 and my newly installed raptor FRRP 100gph lift pump. The vp44 isn't a hotrod as far as I know I believe it's a stock replacement, previous owner had it done. The truck runs fine at any...
  4. 3rd Gen. Powertrain
    Hi guys! I have some problems with my truck when "warm". It will start easy when cold, goes as it should ( i think). If I drive it up to work Temperature and shuts it and wait 10 minutes it will start but a little longer crank. Do I wait 30 minuts and try to start it it will not start. But i...
  5. 3rd Gen. Performance Parts Discussion
    Hello guys, new on here. Soo, my buddy and I installed a 33% over injection pump, 90hp bd injectors and a 165 FASS liftpump on my 07 5.9. Also put the fuel rail plug on as well. We installed it all because the shop here wanted my arms and legs to install it. I do understand why. So after...
  6. 3rd Gen. Performance Parts Discussion
    So I recently figured out that my air dog hasn’t even been plugged in for who knows how long. I’m running duel cp3s and they have been buzzing when I turn the key to let it warm up. Curious as to how bad it is for the cp3s to basically act as a lift pump?
1-6 of 6 Results