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Electric fuel pump 6.9 IDI

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Old 04-13-2012, 03:52 PM
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Question Electric fuel pump 6.9 IDI

what electric pumps are you guys buying for you IDI's to bypass that mechanical pump? is there a brand and model number? im thinking about bypassing my lift pump and putting and electrical pump on it while im doing an injector and line install.
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Old 04-13-2012, 05:41 PM
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many guys here run the Facet Duralift pump. they're preferred because they can suck fuel as much as 10 feet up, unlike most pumps that prefer to push not pull.
others are running a carter or airtex pump made for diesel.
anyone who has tried the mr. gasket pump has posted with bad results and short life.

personally, i have an airtex pump set up in an unusual way: its in line with the mechanical lift pump (which is less than a year old), and is wired to only run when the glow plugs are on, making it a starting aid only, for when i have air in the lines. for only running 15 seconds at a time a couple times a day, it'll last forever i'm sure.
for doing it this way, i still use the mechanical pump i just bought last year, but have a backup for starting with air intrusion, and in the event of the mechanical pump failing, i just have to bypass it and change one wire on my e-pump, and i'm back on the road. i see it as the best of both worlds, others here see it as a pointless system. you decide for your truck.
as you know, most guys who do it remove/bypass the original lift pump and have the e-pump wired up so it has power whenever the fuel solenoid on the IP has power
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Old 04-13-2012, 05:50 PM
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Originally Posted by joshofalltrades View Post
many guys here run the Facet Duralift pump. they're preferred because they can suck fuel as much as 10 feet up, unlike most pumps that prefer to push not pull.
others are running a carter or airtex pump made for diesel.
anyone who has tried the mr. gasket pump has posted with bad results and short life.

personally, i have an airtex pump set up in an unusual way: its in line with the mechanical lift pump (which is less than a year old), and is wired to only run when the glow plugs are on, making it a starting aid only, for when i have air in the lines. for only running 15 seconds at a time a couple times a day, it'll last forever i'm sure.
for doing it this way, i still use the mechanical pump i just bought last year, but have a backup for starting with air intrusion, and in the event of the mechanical pump failing, i just have to bypass it and change one wire on my e-pump, and i'm back on the road. i see it as the best of both worlds, others here see it as a pointless system. you decide for your truck.
as you know, most guys who do it remove/bypass the original lift pump and have the e-pump wired up so it has power whenever the fuel solenoid on the IP has power

when i had lift pumps fail they pump fuel into the crankcase, wouldnt your electric on just do that if the pump failed and you tried to use it to get home? or you have 2 sets of hoses?
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Old 04-13-2012, 06:20 PM
tecgod13 tecgod13 is offline
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b-uno,
there is a button called search opposite from the new thread button. I bet you could find 8 hundred million threads on this forum with all the information about electric fuel pumps in these trucks. Plus you wouldn't have to wait hours for people to post the same stuff again and again and again...


Just saying..
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Old 04-13-2012, 06:25 PM
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Originally Posted by tecgod13 View Post
b-uno,
there is a button called search opposite from the new thread button. I bet you could find 8 hundred million threads on this forum with all the information about electric fuel pumps in these trucks. Plus you wouldn't have to wait hours for people to post the same stuff again and again and again...


Just saying..

never heard of this button.
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Old 04-13-2012, 08:46 PM
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pesky broken search button.
http://www.ford-trucks.com/forums/10...l#post10774080
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Old 04-13-2012, 11:28 PM
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Well since this is up here anyway, anyone know right off what the flow on the dura lift is? Seems most electric pumps for diesels are either low volume or high pressure.
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Old 04-13-2012, 11:39 PM
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Quote:
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Well since this is up here anyway, anyone know right off what the flow on the dura lift is? Seems most electric pumps for diesels are either low volume or high pressure.
Application: Refrigeration trucks, marine generator sets, diesel filtration systems, industrial applications, and other diesel lift applications. These pumps are rated for diesel fuel, gasoline, blended alcohol fuels, and fuel additives.

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Old 04-14-2012, 01:21 AM
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Quote:
Originally Posted by b-uno View Post
when i had lift pumps fail they pump fuel into the crankcase, wouldnt your electric on just do that if the pump failed and you tried to use it to get home? or you have 2 sets of hoses?
to use it to get home, i would have to change the wiring and the plumbing. i have plenty of hose in the vehicle at all times, as i run a mobile auto repair service from this van.
changing it over to running independent isn't just a flip of a switch, it would be re-routing the wire that controls the relay for it AND bypassing the lift pump
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Old 04-15-2012, 05:01 PM
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my durolift facit works great mounted under the hood too no problem yachtsupplydepot.com
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Old 04-16-2012, 07:04 AM
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I too have been wondering about switching to the electric lift pump. My truck starts hard, even with the block heater plugged in. It could sit for 30 min. and starting would be hard. I have no glow plugs, so I have been "Plugging in the truck". I was wondering if I had a fuel issue. Is the Electric lift pump better than the mechanical one? I'm wondering if the truck is losing its prime.
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Old 04-16-2012, 07:43 AM
tecgod13 tecgod13 is offline
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Quote:
Originally Posted by 6.9 diesel nut View Post
I too have been wondering about switching to the electric lift pump. My truck starts hard, even with the block heater plugged in. It could sit for 30 min. and starting would be hard. I have no glow plugs, so I have been "Plugging in the truck". I was wondering if I had a fuel issue. Is the Electric lift pump better than the mechanical one? I'm wondering if the truck is losing its prime.
What do you mean "no glow plugs"?? First thing you should do is get 8 new Motorcraft (Beru) glow plugs and figure that system out. The top two stickied threads on the forum describe the two systems. You probably have the older style unless someone replaced it.

Secondly, look up air intrusion, though I think glow plugs are your primary issue.

Electric pumps treat the symptoms, they do not fix the underlying problems.
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Old 04-16-2012, 08:33 AM
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Right now, Drive train is priority. I'm putting the glow plugs after the drive train(Tranny and T case). I don't mind plugging the truck in until then. I'm saying, the truck shouldn't take 5 to 6 seconds to start after sitting for 30 min, assuming the engine was running 30 min. ago and completely warmed up,either by running it or the block heater. Also, there is a small leak at the fuel pump. I'm just wondering if an electric lift pump is better than the stock pump.
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Old 04-16-2012, 04:45 PM
joshofalltrades joshofalltrades is offline
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since your lift pump is leaking, i call it JUNK. therefore, you'll be buying a fuel pump ASAP, and the only question is which type to get. considering that, the general consensus around here has been to go with the electric.

on the subject of your hard starting, an air intrusion issue on an otherwise perfect truck will start as follows: warm up glow plugs, crank engine, starts almost instantly but dies after 1-2 seconds, crank for a long time to get fuel back up there.
your problem sounds more like the glow plugs are CAUSING your hard starting.
in my van, with good plugs and not losing prime, i never have to crank for more than a second to have her running
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Old 04-16-2012, 04:53 PM
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Hmm, My truck will sometimes: Crank for 5 seconds, fire but not start, stumble for a second, than start with blue smoke. When it cranks, white smoke pours from the tail pipe, than goes away when it starts.
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