fuel pressure issue
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Logistics Pro
Joined: Dec 2010
Posts: 4,738
Likes: 15
From: Temperance, MI
fuel pressure issue
So I just got my new fuel pressure gauge today to replace the faulty one I had. I put it in go for a drive and notice it's at 52 psi. Before the gauge took a crap the other one said 72 at idle.I just thought well the other one broke maybe it wasn't right to begin with. Well cruising down the road it holds at 52 and at wot drops to 0000!!! I just did the hutch and harpoon a few weeks ago all was great until now. I figured the inline filter was clogged so I changed it on the side of the road.... No difference same issue. The primary filter under the hood is less than 3 weeks old. I'm starting to point to the fuel pump any ideas.
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
000 PSI means the engine will stall. If the truck isn't completely falling on it's face and barely limping along at WOT and 000 psi, your problem is not the fuel pressure but the set up trying to read the fuel pressure.
Gauge, wires, sending unit, etc.
Gauge, wires, sending unit, etc.
Post Fiend
Joined: Sep 2003
Posts: 6,096
Likes: 26
From: Mesa AZ
If your fuel bowl is drained, and the filter is removed then it should take 11-12 seconds to fill the bowl up to the threads for the cap. If your's takes much longer then you may have a restriction. You can test by sticking a hose in a 5 gallon jug of diesel and plumbing it to the inlet of the pump. Prime the system and then try again. It the bowl fills in 11-12 seconds then you have a restriction pre-pump. If it takes the same amount of time as before then your pump may be weak or there is a restriction in the post pump lines.
Drain the bowl before re-installing your filter element.
Good luck.
Drain the bowl before re-installing your filter element.
Good luck.
More Turbo
Joined: Mar 2011
Posts: 683
Likes: 1
From: cincinnati, oh.
here's a inexpensive way to go while trying to figure things out, then throw it on the shelf for a back up later. i've read good and bad about it, depends on who you ask i guess. 
http://www.ebay.com/itm/Ford-Super-Duty-Pickup-Truck-Econoline-Van-7-3L-V8-Diesel-Electric-Fuel-Pump-/130926210325?pt=Motors_Car_Truck_Parts_Accessories&hash=item1e7bcf6d15&vxp=mtr
http://www.ebay.com/itm/Ford-Super-Duty-Pickup-Truck-Econoline-Van-7-3L-V8-Diesel-Electric-Fuel-Pump-/130926210325?pt=Motors_Car_Truck_Parts_Accessories&hash=item1e7bcf6d15&vxp=mtr
Postmaster
Joined: Jun 2010
Posts: 2,555
Likes: 9
From: Longview, TX
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Veteran/Sheepdog
Joined: Feb 2012
Posts: 6,047
Likes: 110
From: Western AR
Mine is doing damn near the same thing, John. I just don't get all the way down to 000. After I did the FRx and Hutch, my fuel PSI was at 62. Now it is at 52-54 one month later. NO kinks in the lines here. I checked the spring on the Frx and the fuel filter is brand new. I bypassed the Baldwin 1212, and that wasn't it. I am thinking my fuel pump is done, too. Gonna order the one listed above on Ebay. Only five left...
There is another thread where the member replaced his fuel pump today and fixed a similar issue. His truck is a 2001 as well.
Edit: it was DavidPostman
There is another thread where the member replaced his fuel pump today and fixed a similar issue. His truck is a 2001 as well.
Edit: it was DavidPostman
Last edited by Nicmike; Sep 13, 2013 at 09:31 PM. Reason: update
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Thread Starter
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Logistics Pro
Joined: Dec 2010
Posts: 4,738
Likes: 15
From: Temperance, MI
Mine is doing damn near the same thing, John. I just don't get all the way down to 000. After I did the FRx and Hutch, my fuel PSI was at 62. Now it is at 52-54 one month later. NO kinks in the lines here. I checked the spring on the Frx and the fuel filter is brand new. I bypassed the Baldwin 1212, and that wasn't it. I am thinking my fuel pump is done, too. Gonna order the one listed above on Ebay. Only five left...
There is another thread where the member replaced his fuel pump today and fixed a similar issue. His truck is a 2001 as well.
Edit: it was DavidPostman
There is another thread where the member replaced his fuel pump today and fixed a similar issue. His truck is a 2001 as well.
Edit: it was DavidPostman
I called a couple of my local autoparts stores and they don't carry oe pumps. One thing I've learned over the years is spend a lot of money and go with the best of the best or stay oe. I can't spend a lot of money now so I'll go oe. Clay is out of them. I forgot about having to work this morning so I took my wife's jeep instead of the truck. I'll look at it when I get home and see what happens. Thanks guys.
Fleet Mechanic
Joined: Apr 2011
Posts: 1,441
Likes: 6
From: Marseilles IL
Try sending a pm to Scott79 he had the Bosch pumps for aprox $115 shipped when I was looking for my new pump. I'm not sure if he still has more but it is worth a try.
Thread Starter
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Logistics Pro
Joined: Dec 2010
Posts: 4,738
Likes: 15
From: Temperance, MI
I'll be sending him a pm in a few thanks for letting me know about that. I should be able to drive it like this for a few days right? I drove 70 miles yesterday after I knotice the problem. I've had a streak of bad luck with cars lately. My jetta tensioner crapped out on me blew a head gasket and cracked the head in 3 of 4 cylinders.... That's why I've been driving the truckllately. The only vehicle that I have anymore that has never once let me down (knock on wood) is my wife's grand Cherokee... Go figure..... A mopar.....
Postmaster
Joined: Jun 2010
Posts: 2,555
Likes: 9
From: Longview, TX
I'll be sending him a pm in a few thanks for letting me know about that. I should be able to drive it like this for a few days right? I drove 70 miles yesterday after I knotice the problem. I've had a streak of bad luck with cars lately. My jetta tensioner crapped out on me blew a head gasket and cracked the head in 3 of 4 cylinders.... That's why I've been driving the truckllately. The only vehicle that I have anymore that has never once let me down (knock on wood) is my wife's grand Cherokee... Go figure..... A mopar.....
I had a Cherokee with the 4.0 straight 6. That thing would run like a scalded dog, when it was running right. Most of the time it would spit and pop and sputter and lose power, then kick back up and buck and kick and pop. Put a couple grand in parts and diagnostics and never did figure out the issue. I ended up trading it off for a 7mm.08 H&R Handy Rifle. Best trade I ever made.
Thread Starter
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Logistics Pro
Joined: Dec 2010
Posts: 4,738
Likes: 15
From: Temperance, MI
I deleted those codes to see what ones came back yesterday to see what ones came back. I got one of the same and two new ones. p0670 P0560 and P1210 any ideas. I used to have a link to all the codes before I got a new phone and lost it.
4000 rounds a min
Joined: Apr 2010
Posts: 2,223
Likes: 0
From: Albemarle NC
Found a couple of them for you
https://www.ford-trucks.com/forums/3...and-p0670.html
https://www.ford-trucks.com/forums/8...1210-code.html
https://www.ford-trucks.com/forums/3...and-p0670.html
https://www.ford-trucks.com/forums/8...1210-code.html