For Sale - 2006 Dodge Ram 2500- Flatbed for long box bed Winch bumper Flat Bed for Long Box 3rd generation Cummins Tootlbox are included with key I have a flatbed for 3rd Generation dodge Cummins. This flatbed comes with a gooseneck hitch already in the bed. The winch bumper is part of the set. Tootlbox have a key to lock and unlock all box a single key. There is rust starting and electrical will have to be sorted out on your own.
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Price: $1,000.00
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Location: New Meadows, Idaho
ISX 2 posts
dorkweed 1 post
guesswho512 1 post
AH64ID 1 post
For about 2-3 months now, my fuel pressure gauge has been real erratic. The needle not staying steady, bouncey and some times cutting out all together. I pulled the connections at the pump under the truck and cleaned the contacts and terminals. That seemed to help for a while. Then it started acting up a couple months ago. I bought a new Walbro pump off Ebay and a new wiring harness from GDP. Richard from GDP doesn't sell his Walbro system any longer, but he still had some leftover harnesses in stock. I've had this stuff for about 6 months now just in case. I keep meaning to take the harness and pump to a friend of mine and have him make it a bit more "weather tight" in the connections etc.
Well, anyhow, on my Saturday trip from Springfield, IL to Benton, KY the fuel pressure gauge is acting "hinky"!! It started that morning at about 25psi and as I drove and the temperature outside got hotter and hotter, the pressure about 200 miles into it, was reading 23psi. Not a solid 23psi though. The needle would bounce going over bumps and occasionally drop to 0 and then come back up. Then about 100 miles from Benton, KY, the needle goes to 0 and doesn't come back. I'm thinking.........Do I stop???? Do I drive on????? It's not a good feeling driving not knowing if it's the pump, gauge, fuse, relay etc.
I decided to drive on seeing that my rail pressure was still normal and the truck was driving fine. Getting off the interstate onto the KY state roads I got a scare though. If I let the truck go to idle at a stop, the RP was about 500-750psi lower than normal. Thank God that I didn't have but 2-3 stops before I got to where I was going. When I stopped there, I left the truck running and quickly jumped out and crawled under the truck to see if the LP was running............it wasn't.
:cry: That leg of my trip was about 270 miles and I drove about 100 of it with no lift pump pressure. Good thing I bought the new pump and harness along.
The following morning, I tore into it. It's a real simple system. Ignition power to a relay......relay trips and then pulls 15amps of fused power down to the Walbro. I decided to check the easy stuff first. The fuse wasn't blown. Check relay..........I pulled the one that was in there and put in the one off the new harness...........still nothing. Checked the wires going into the base part of the relay........the power wire to the pump pulled out with almost no resistance!!!!!!!!
I decided there to just swap in the new harness. About 25 minutes later, I had a solid 25psi of pressure and it stayed there all the way home!!!!!
The wire that pulled out from the relay base was corroded a bit and I'm guessing that the up and down of the gauge was just the harness moving a bit going over bumps etc. and effecting the electical flow. I still plan of making the new harness and pump more weather proof. When I find time!!!!!
I don't think a VP44 would've made it that far without a LP!! The CP3 actually has low pressure pump on it. The early Duramax's had a similar CP3 set up and GM didn't use a LP with them. I just don't understand how the CP3 could pull fuel through a pump that wasn't running????
The real hot weather making the fuel thinner??????? Any ideas?????