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Fuel Pump Issues? HELP

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Old Jun 4, 2015 | 09:29 AM
  #11  
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Originally Posted by oct1949

Two possible reasons,, some say the hose rubs something inside the tank and I was told mime was caused by Ethanol gas and Sta-Bil which I use for winter storage that made the gas lines Soft..
I think it's the rubbing the tank..that line is really long. I don't think Sta-bil or even ethanol has anything to do with it, I've used Sta-bil for 20+ years... long as I can remember with never ever any problem with it. It's a great product.
 
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Old Jun 6, 2015 | 11:43 AM
  #12  
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Originally Posted by Joe_G
I think it's the rubbing the tank..that line is really long. I don't think Sta-bil or even ethanol has anything to do with it, I've used Sta-bil for 20+ years... long as I can remember with never ever any problem with it. It's a great product.
You can buy just the hose from someone who sells Drag Specialties products for the upper hose, I believe. However, you can also get the entire fuel filter kit from them and (I'm not familiar with your particular bike's configuration) when you open everything up, replace the filter (a good idea). Beyond that, there are other concerns inside the fuel tank that on newer models need to be checked, but I'm not sure, as I said, about the configuration of your year's tank contents. With fuel injection there is a pressure regulator. I know that some models develop a crack in the female port housing which allows pressure to fail. An independent shop will check the fuel pressure and the fuel pressure drop over time for pretty cheap. It is definitely worth getting the test done first becuase messing with tank guts for the first time is no picnic. Once you've done it, however, it gets easier from then on.

You may find some tips not covered on Youtube here:

http://csharpharley.blogspot.com/p/f...d-replace.html

C#
 
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Old Jun 19, 2015 | 03:52 AM
  #13  
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So, I pulled the fuel pump assembly (pain in the a@!) And replaced the hose. Was idling better so I took it out for a test run....about 50 miles round trip. Ran fine. No more choking out. So on my way to work, at 11:20 pm on a backroad, bike shutdown. Still had power (lights, radio, gauges) just no fuel. I filled up on test run so I know she had gas. Shut her completely off and tried to restart, not hearing fuel pump kick on and won't start. What have I done? Went to check fuses but did not see one listed as fuel pump. (No, I don't have a manual). This is getting frustrating! Any suggestions on this one? Shop is outta the question.
 
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Old Jun 19, 2015 | 06:43 AM
  #14  
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Originally Posted by papa_j
So, I pulled the fuel pump assembly (pain in the a@!) And replaced the hose. Was idling better so I took it out for a test run....about 50 miles round trip. Ran fine. No more choking out. So on my way to work, at 11:20 pm on a backroad, bike shutdown. Still had power (lights, radio, gauges) just no fuel. I filled up on test run so I know she had gas. Shut her completely off and tried to restart, not hearing fuel pump kick on and won't start. What have I done? Went to check fuses but did not see one listed as fuel pump. (No, I don't have a manual). This is getting frustrating! Any suggestions on this one? Shop is outta the question.
Do you have a shop manual? If not, first step is to get one.

I believe that yours has the Delphi system which is better than the Magnetti-Morelli but I wouldn't know for sure. Replacing parts without knowing what the real issue is wastes money and time. If the pump isn't running then it may or may not be the pump. Only an electrical test can tell you what the deal is in that regard. The ECM on modern bikes won't let the bike start if there is a problem that is considered potentially terminal for the engine.

It is really simple to tell if you have power to the pump... at least to where it should be working. Of course your connection inside the tank could have somehow been disconnected... if when you turn on the ignition switch you have power to the pump (check at the connection outside the tank) but the pump doesn't "pressure up" then your connection has failed or the pump has failed. If you don't have power, then that's another kettle of fish.

Clear your codes, disconnect your battery or pull your ECM fuse and wait for 15 minutes. Reconnect the battery or the fuse. If the bike starts then, it is probably running in limp mode and will recognize that the problem still exists after riding it for about 15 minutes. Once you shut off the bike it won't start again (if it is an ECM control issue). All of this is assuming that you have a check engine light and/or error codes. Again, without a shop manual I can't tell you what Harley did in the early days of Delphi FI.

The troubleshooting lists in my shop manual are a great help for stuff like this. I don't know what the 2000 shop manual has in it, however.

Good luck.

C#
 
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Old Jun 19, 2015 | 07:34 AM
  #15  
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When cold my fuel pump will stay on even after its been primed. It still runs like a dream so I am not fulling with it until it goes, if in fact it ever does.
 
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Old Jun 20, 2015 | 05:00 AM
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Originally Posted by cwsharp
Do you have a shop manual? If not, first step is to get one.

I believe that yours has the Delphi system which is better than the Magnetti-Morelli but I wouldn't know for sure. Replacing parts without knowing what the real issue is wastes money and time. If the pump isn't running then it may or may not be the pump. Only an electrical test can tell you what the deal is in that regard. The ECM on modern bikes won't let the bike start if there is a problem that is considered potentially terminal for the engine.

It is really simple to tell if you have power to the pump... at least to where it should be working. Of course your connection inside the tank could have somehow been disconnected... if when you turn on the ignition switch you have power to the pump (check at the connection outside the tank) but the pump doesn't "pressure up" then your connection has failed or the pump has failed. If you don't have power, then that's another kettle of fish.

Clear your codes, disconnect your battery or pull your ECM fuse and wait for 15 minutes. Reconnect the battery or the fuse. If the bike starts then, it is probably running in limp mode and will recognize that the problem still exists after riding it for about 15 minutes. Once you shut off the bike it won't start again (if it is an ECM control issue). All of this is assuming that you have a check engine light and/or error codes. Again, without a shop manual I can't tell you what Harley did in the early days of Delphi FI.

The troubleshooting lists in my shop manual are a great help for stuff like this. I don't know what the 2000 shop manual has in it, however.

Good luck.

C#
OK. So I don't see any blinking lights in my gauges when key is on(this was a sign something was wrong on my sporty). Can you tell me how to check for any codes? I haven't had time to get to her this week (Working long hours and gotta sleep) but hope to be able to get to her either Sunday or Monday morning if all goes well. I'd like to see if there's any codes first before I start taking her apart again to get to wires involved with fuel tank.

Let me say again thanks to all who have responded. It is greatly appreciated.
 
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Old Jun 20, 2015 | 09:14 AM
  #17  
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Originally Posted by papa_j
OK. So I don't see any blinking lights in my gauges when key is on(this was a sign something was wrong on my sporty). Can you tell me how to check for any codes? I haven't had time to get to her this week (Working long hours and gotta sleep) but hope to be able to get to her either Sunday or Monday morning if all goes well. I'd like to see if there's any codes first before I start taking her apart again to get to wires involved with fuel tank.

Let me say again thanks to all who have responded. It is greatly appreciated.
Don't know about yours... mine, you hold in on the odometer mode button for 10 seconds and let off, then you click the button to see each section of the codes. You should have seen, at one time, a check engine light for there to be codes, however. Take off the dash, attach a multi-tester to the connector that goes to the pump and fuel gauge. If you don't know what color wire goes to what you will have to open up the tank and look or find someone that has a shop manual. Turn on the key. If there is power, something is wrong in the tank. If there isn't, my first guess would be that the ECM isn't powering up the pump or you have a blown fuse.
 
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Old Jun 20, 2015 | 10:24 AM
  #18  
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Does your fuel gauge work?
 
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Old Jun 21, 2015 | 02:11 AM
  #19  
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Thanks for the advice. I'll get on here and let you know after i have time to check.

And yes...fuel gauge is working.
 
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Old Jun 21, 2015 | 08:37 PM
  #20  
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Originally Posted by papa_j
Thanks for the advice. I'll get on here and let you know after i have time to check.

And yes...fuel gauge is working.
The fuel gauge and fuel pump is on the same circuit, fed by the same wire, so if it is working then check the pump.
 
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