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Kris
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236 Posts
Discussion Starter #1
So about an hour ago I went to the gas station and put some fuel in. I was pretty low when I got there. But it fired up no problem. A couple miles down the road it starts chugging and eventually dies.

Right now I'm on the side of the road and cannot hear my fuel pump run. I don't know if I blew a fuse or relay, or simply running low damaged the pump.

I have been Googling for an answer and haven't found one. I've checked the fuses everyone is mentioning. (It seems everyone has a different number for the fuse??)

The inertia switch is not tripped.

No fuel pump.. Any clues? Fuses or relays to check? I'm currently on the side of the road so any helpful ideas I can check when I get it home? Anyone know which fuse is for the pump or where the relay is for it?

2000 F350, 7.3 / 6 Speed
 

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1,138 Posts
just a long shot, check the oil level. maybe the oil in the HPOP res if you can...
 

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5,965 Posts
Are you sure that you didn't put gas into it? That is about as far as you would get before something happened if you did.
 

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Premium Member
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15,561 Posts
Only way you can hear the fuel pump is if you crawl under and put your ear right next to it. The only thing you can possibly hear is the vacuum pump.
 

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Kris
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236 Posts
Discussion Starter #5
I've always heard something cycle when I turned the key. I assumed the fuel pump.

Unless the pump was putting gasoline out the diesel hose, I didn't fill it with gasoline. (The gas pump was out of order too.)

I do not believe my oil is low as I do not really leak or burn any. I'm not
Entirely sure how to check HPOP level. I didn't know you could.

Does anyone know the fuse / relay for the fuel pump?
 

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130 Posts
Fuse #40 for the fuel pump. Relay is under the dash, behind the stereo. There should be two relay's, one for turn signals. Check your Voltage at the fuel pump, it needs something like 8-10 volts to even turn on.
 

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Kris
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236 Posts
Discussion Starter #7
Behind the stereo, as in I pull the stereo to access them? I'll rummage around and check the fuse.

Don't I have to pull the bed or drop the tank to test the fuel pump wires?
 

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Kris
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236 Posts
Discussion Starter #9
Truck starts on ether.. Seems pretty apparent it's a fuel issue. Anyone have a fuse diagram or owners manual for my truck?
 

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616 Posts
Fuel pump is right below your feet.... in the frame rail below the drivers side floor board. Not in the tank like gassers.
 

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Kris
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236 Posts
Discussion Starter #11
I was under the impression it was a in tank pump with a booster pump on the frame, like a lot of Fords seem to have.

That makes sense if it is. I can hear a little pump sound and it will start now but it barely revs. Definitely lacking fuel. If the frame pump isn't running it would explain it.

All fuses and relays are good. It has to be a pump issue.
 

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Try tapping on the pump.
 

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Dont spray ether in there, if it catches a glow plug you can blow the engine. literally.

You can check the HPOP level by removing the little plug on the top of the reservoir. Look down inside, there should be oil close to the bottom of the threaded hole.

If you are low on oil, or not getting oil to the HPOP, it will act like a fuel issue because there will be no oil to actuate the injectors.

There is also a check valve be the LPOP, if that fails it will let oil drain back and not feed the HPOP, rare, but it happened to my truck.

Good luck
 

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130 Posts
Fuel pump is definitely on the frame rail, below your feet. Looks like your fuse is under the hood, #5

Interior Fuse Panel
http://www.clubfte.com/users/homerwinzlow/2000SDfuse1.jpg

Fuse/Relay
Location
Fuse Amp
Rating
Passenger Compartment
Fuse Panel Description
1 20A Turn/Hazard Lamps
2 10A Airbag Module
3 20A Cigar Lighter, Data Link Connector
4 10A Glove Box Lamp, Map Lamps, Power
Mirrors, Underhood Lamp
5 — Not Used
6 — Not Used
7 5A Power Window/Lock Switch Illumination
8 5A Radio, Headlamp Switch Illumination
9 — Not Used
10 15A Dual Fuel Tanks
11 30A Wiper Motor, Wiper Run/Park Relay Coil,
Wiper Hi/LO Relay Coil, Washer Pump
Relay Coil
12 15A Horn
13 20A Stop Lamps, Center High-mount Stop
Lamp, Trailer Tow Stop Lamp, Speed
Control
14 10A Dome Lamp, Cargo Lamp, Courtesy Lamps,
Running Board Lamps
15 5A Stop Lamp Switch (Logic): Generic
Electronic Module (GEM), Powertrain
Control Module (PCM), Four Wheel
Anti-lock Brake System (4WABS) Module,
Brake Shift Interlock, Cluster and PCM
Keep Alive Memory
16 15A Instrument Cluster, Hi-beam Headlamps
17 — Not Used
18 — Not Used
150
Fuse/Relay
Location
Fuse Amp
Rating
Passenger Compartment
Fuse Panel Description
19 10A Auxiliary Powertrain Control Module
(APCM) (Diesel only), Instrument Cluster,
GEM Module, Overdrive Cancel Switch, Idle
Validation Switch (Diesel only), Overhead
Console, Diesel PCM via Clutch
20 15A Starter Motor Relay Coil, Clutch Switch
21 — Not Used
22 10A Air Bag Module, Passenger Air Bag
Activation/Deactivation Switch, Blower
Motor Relay Coil
23 — Not Used
24 10A A/C Clutch, Blend Door Actuator, Trailer
Tow Battery Charge Relay Coil, Four Wheel
Anti-Lock Brake System (4WABS), Turn
Signal
25 — Not Used
26 — Not Used
27 10A Ignition Run Power Feed (Customer Access)
28 10A Brake Shift Interlock, DRL Relay Coil,
Speed Control Module, Backup Lamps,
Trailer Tow Backup Lamp Relay Coil,
Electronic Shift On The Fly Hub Lock
Solenoid, Vacuum Pump Motor
29 5A Instrument Cluster (Charge and Airbag
Warning Lamps)
30 30A PCM Relay Coil, Ignition Coil (Gasoline
only), Fuel Heater (Diesel only), Wastegate
Solenoid (Diesel only), Injector Driver
Module Relay Coil (Diesel only)
31 — Not Used
Relay 1 — Interior Lamp Relay
Relay 2 — Not Used
Relay 3 — Horn
Relay 4 — Power Window One Touch Down Relay
Relay 5 — Accessory Delay Relay

Under Hood Box
http://www.clubfte.com/users/homerwinzlow/2000SDfuse2.jpg

Fuse/Relay
Location
Fuse Amp
Rating
Power Distribution Box Description
1 7.5A * Trailer Tow Left Stop/Turn Lamp
2 10A* Washer Pump
3 7.5A* Trailer Tow Right Stop/Turn Lamp
4 20A* Trailer Tow Backup Lamps, Trailer Tow
Park Lamps
5 20A* (Gasoline
only)
5A* (Diesel only)
Gasoline only-PCM, Fuel Pump Relay Coil,
Mass Air Flow Sensor, Fuel Injectors
Diesel only-Dual Alternator A Field
6 10A* Gasoline only-A/C (CASS)
Diesel only-Single or Dual Alternator
A Field, Regulator
7 20A* (Gasoline
only)
5A* (Diesel only)
Gasoline only-Vapor Management Valve,
HEGO Sensors, Intake Manifold
Communication Control, EVR Solenoid,
PCM, Canister Vent Solenoid
Diesel only-Dual Alternator A Field
8 15A* Trailer Tow Electronic Brake
Illumination, Park Lamps, Trailer Tow
Park Lamp Relay Coil
9 10A* Left Headlamp (Low Beam)
10 20A* Power Point
11 10A* Right Headlamp (Low Beam)
12 15A* Daytime Running Lamps (DRL)
Resistor
13 30A** Multi-function Switch, Headlamps
14 60A** Anti-Lock Brake System
15 — Not Used
16 30A** Trailer Tow Battery Charge
17 30A** Electronic Shift On The Fly Relay,
Transfer Case Shift Motor
18 30A** Power Seat
19 20A** Fuel Pump Motor, PCM
20 50A** Ignition Switch (B4 & B5)
153
Fuse/Relay
Location
Fuse Amp
Rating
Power Distribution Box Description
21 50A** Ignition Switch (B1 & B3)
22 50A** Junction Box Battery Feed
23 40A** Blower Motor
24 30A**
(Gasoline only)
20A**
(Diesel only)
PCM Power
25 30A*** Power Windows
26 20A** If equipped with Remote Keyless
Entry-Driver Door Unlock Relay Coil,
All Door Unlock Relay Coil, All Door
Lock Relay Coil, Park Lamp Flash
Relay, If not equipped with Remote
Keyless Entry-Power Door Lock Motors
27 - (Gasoline only)
30A**
(Diesel only)
Gasoline only-Not Used
Diesel only-Injector Driver Module
28 30A** Trailer Tow Electronic Brake Controller
29 20A** Radio
30 -- PCM Power Relay
31 -- Blower Motor Relay
32 -- A/C CASS (Gasoline only), Injector Driver
Module Power Relay (Diesel only)
33 -- Washer Pump Relay
34 -- Windshield Wiper Park/Run Relay
35 -- Windshield Wiper HI/LO Relay
36 -- A/C Clutch Diode
37 -- PCM Diode
38 -- Trailer Tow Backup Lamp Relay
39 -- Trailer Tow Battery Charge Relay
40 -- Electronic Shift On The Fly Relay #1
41 — Electronic Shift On The Fly Relay #2
 

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Village Idiot
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8,209 Posts
How cold..fuel could have gelled...
do you have more then a quarter tank.

Bring hose and empty milk jug .
pour a bottle or proper amount of 911 fuel treatment into over a quarter
of a tank. Wait ten min drain fuel bowl.. cycle key to refill drain again....
that is where the hose and milk jug come in...you extend the drain tube with hose.

See if that gets you anywhere.

The quarter of a a tank is due to if there is issues with the foot of the fuel pickup tube falling off etc less then a quarter will pull air. If fuel bowl does not refill then el pumpo no work.
 

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^^^ Sounds like a good idea to me
 

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Kris
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236 Posts
Discussion Starter #17
I checked all the fuses and relays. All are good. I got the truck in the shop today and checked for power at the frame pump. It has power. Pump is not running. I suppose i'll replace that and go from there.

If there were a bad in-tank pump it would have given me an excuse to do the Hutch and Harpoon mods. :p

Thanks for the replies. I'll post an update when the truck is running again.
 

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853 Posts
if it runs but has no throttle then mabey the icp took a crap
 

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How much voltage at the pump? Like mike said, if your anywhere near a 1/4 tank than your problems likely with the pickup foot.
 

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Kris
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236 Posts
Discussion Starter #20
My truck had stopped running period. Could not start it. I put it in the shop last night and after getting my fuel pump two weeks later, I replaced it today. Truck fired right up. Revved up normally, no issues. Drove it out of the shop. Parked by my house and let it idle for ten minutes or so. Cleaned all the windows. I decided to take it down the road for a test drive- and it sputtered and died.

Tested the old pump and it was indeed bad. It will not do anything. I can hear the pump operate now. (Which just baffles me.)

I read up on the ICP a little. Pulled plug off the ICP- it has oil in it. Unplugged the ICP- truck will not start. (I heard if it's bad you can unplug it and it's supposed to run better?) This is a no-start scenario. I don't know if this is even a procedure to verify anything. Could I start the truck with the ICP unplugged if it were the issue?

Tach goes up a little while cranking.
Oil pressure goes up while cranking.

I have about 1/4 tank- so i'm going to put some more fuel in it tomorrow to make sure that it's not a fuel pick up issue.

What should voltage be at pump? Just 12 volts? Is there a port to test fuel pressure?

I'll keep digging and post up what I find tomorrow. Thanks for the replies thus far.
 
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