Fuel pump
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Fuel pump
New to diesels, got a question,
Is there no fuel pump in the tank? Is it just the sending unit for fuel level? I'm not finding much online.
I'm getting p0460 and my gauge is bouncing around never giving a correct reading and reads empty often.
Thanks
Is there no fuel pump in the tank? Is it just the sending unit for fuel level? I'm not finding much online.
I'm getting p0460 and my gauge is bouncing around never giving a correct reading and reads empty often.
Thanks
Fleet Mechanic
Joined: May 2010
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From: West by God Virginyuh
Pump is on the frame rail, part of the HFCM
Do you have gauges to monitor what the sending unit is reporting? My fuel gauge drops to zero at times, but I actually think it’s my dash cluster, or the “fuel level smoothing thing” ( I forget what it’s called, but it makes your fuel gauge read steady instead of fluctuating with the slosh of fuel in the tank) as the readout on my DashDaq tells me how much actual fuel I have.
Do you have gauges to monitor what the sending unit is reporting? My fuel gauge drops to zero at times, but I actually think it’s my dash cluster, or the “fuel level smoothing thing” ( I forget what it’s called, but it makes your fuel gauge read steady instead of fluctuating with the slosh of fuel in the tank) as the readout on my DashDaq tells me how much actual fuel I have.
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Originally Posted by tfunk88
Pump is on the frame rail, part of the HFCM
So to fix the p0460 I just need to replace the sending unit in the tank?
Fleet Mechanic
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From: West by God Virginyuh
It may be the thing I referenced when I edited my reply. There’s a module behind the gauge cluster that smooths out the input from the sending unit so your fuel gauge doesn’t bounce around as the fuel sloshes in the tank.
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Originally Posted by tfunk88
It may be the thing I referenced when I edited my reply. There’s a module behind the gauge cluster that smooths out the input from the sending unit so your fuel gauge doesn’t bounce around as the fuel sloshes in the tank.
Fleet Mechanic
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From: West by God Virginyuh
I dunno, that’s what I was asking 
Mine does, and so when my fuel gauge acts up I still basically know how much fuel is in the tank, although it’s the raw signal so it moves around as the fuel sloshes in the tank. It sorta sounds to me like your fuel gauge “smoother” is going bad, but I could be wrong
Mine does, and so when my fuel gauge acts up I still basically know how much fuel is in the tank, although it’s the raw signal so it moves around as the fuel sloshes in the tank. It sorta sounds to me like your fuel gauge “smoother” is going bad, but I could be wrong
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Originally Posted by tfunk88
I dunno, that’s what I was asking
Am I on the right track here?
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Fleet Mechanic
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From: West by God Virginyuh
I think so
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It's not acting up right now, so tomorrow I'm going to fill up the tank and see what happens.
I was able to manual control my gauge with my scanner and it worked just fine. I read online people were able to repair the sending unit with units from 2001 Lincoln's but that was on a 7.3 and a lot of the links don't work anymore. :/
I was able to manual control my gauge with my scanner and it worked just fine. I read online people were able to repair the sending unit with units from 2001 Lincoln's but that was on a 7.3 and a lot of the links don't work anymore. :/
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From: NW IA
In a gas engine yes, works really great.........the stuff has no business in the tank of a diesel anything
Fleet Mechanic
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From: West by God Virginyuh
Or maybe the person who copied and pasted the TSB in the threads I’ve seen added it in...just looked it up again and don’t see the Chevron mentioned on the TSB
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