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Old 08-07-2008, 09:33 PM   #1
CarbonJames
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fuel pump issue EFFIN SUZUKI

finally got T's bike ready to roll, try to start it but nothing from the fuel pump.

i did remove it from the tank but i don't know that that would have done anything harmful as i've done it before. all wires are connected properly, fuel line is connected properly, no fuel moving into the line and no sound from the pump at all.


Any ideas anyone?

if i check the voltage at the connector, what should it read?
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Old 08-07-2008, 09:44 PM   #2
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fuse?
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Old 08-07-2008, 09:46 PM   #3
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See if it spins when you put power to it.
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Old 08-07-2008, 09:51 PM   #4
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Quote:
Originally Posted by CarbonJames View Post
finally got T's bike ready to roll, try to start it but nothing from the fuel pump.

i did remove it from the tank but i don't know that that would have done anything harmful as i've done it before. all wires are connected properly, fuel line is connected properly, no fuel moving into the line and no sound from the pump at all.


Any ideas anyone?

if i check the voltage at the connector, what should it read?
that sux, should have power and groung just like any other component, I believe approx. 12 volts, check fuses and connectors if it has B+ and B- then it should spin, try taping on it if it doesent work then its NFG
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Old 08-07-2008, 10:25 PM   #5
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Quote:
Originally Posted by FLYIN'DUC View Post
that sux, should have power and groung just like any other component, I believe approx. 12 volts, check fuses and connectors if it has B+ and B- then it should spin, try taping on it if it doesent work then its NFG
the tapping didn't work so i think its NFG!! after being together for almost a whole week now, i did forget that it didn't have fuel in the tank, the only thing i can think of now is that since it had no fuel in it when i tried to start it, it burnt the pump up b/c there was no fuel in it.

anyone concur with that diagnosis?
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Old 08-07-2008, 10:25 PM   #6
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fuse?
duh!
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Old 08-07-2008, 10:48 PM   #7
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Hey, I donít know too much about bike maintenance, but heard some bike mechanics talking about how ethanol fuels, are causing fuel filters to swell and restrict fuel flow problems similar to yours. I had this problem in my truck and changing the fuel filter corrected the issue. Not sure if this will help you, just another thing that could cause problems, they also recommended changing filters every 15k to 20k. Maybe is could help hope so. See you on the track.
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Old 08-07-2008, 11:30 PM   #8
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James - It should have 12 volts dc going to the pump. I don't think you have burned it up. This may sound silly, and you probably know it, but the pump will not run if the red kill switch is off. Do you have fuel in it now?

Are you SURE you have the fuel line connected (plugged in all the way). If you do not it won't run.
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Old 08-07-2008, 11:43 PM   #9
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the motor turns over, but as i turn on the key, the fuel pump should kick on, even with out starting the engine. it does not actuate the pump to operate upon turning the key on.

red switch is on, my name isn't Bill i just have a feeling that since i had no fuel while trying to start it, it may have burnt the pump. i'm going out now to pull the pump out of the tank and check it out..
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Old 08-07-2008, 11:47 PM   #10
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Tip over sensor ?
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Old 08-07-2008, 11:56 PM   #11
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the motor turns over, but as i turn on the key, the fuel pump should kick on, even with out starting the engine. it does not actuate the pump to operate upon turning the key on.

red switch is on, my name isn't Bill i just have a feeling that since i had no fuel while trying to start it, it may have burnt the pump. i'm going out now to pull the pump out of the tank and check it out..
Hey Bill - Oops I mean James ---- Check the connection of the hose - does the connector have some small red ears in the connector?
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Old 08-07-2008, 11:57 PM   #12
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Tip over sensor ?
That will definitely do it too!
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Old 08-08-2008, 12:28 AM   #13
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the fuel pump will not actuate at all. NONE. i've pulled it out of the tank, cleaned all 3 contact post' and still nothing. the pump doesn't do at all.

i don't have a meter, i threw it in the trash b/c the last time i used it, it was a faulty pc. of eqpt and blew one of my main fuses in my truck. i'll see if my neighbor has one tomorrow and check it out.
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Old 08-08-2008, 12:39 AM   #14
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if the bike cranks(gsxr, if I believe) then all kill switches are working properly.

I wouldn't go so far to conclude anything until tomorrow when the power is checked at the pump. You can also check the ground side w the voltmeter to see if the ECU is trying to activate it or not.

The fuel does cool the pump but unless you kept the key on for a significant amount of time I wouldn't consider a pump burning up.
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Old 08-08-2008, 12:40 AM   #15
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Quote:
Originally Posted by ANTISOCIAL View Post
Tip over sensor ?
That is what I was going to suggest.

After I installed my GI/TRE my bike turned over and flashed the FI light. The fuel pump wasn't working. Sure enough I had forgot to plug the tip over sensor connector back in. . .
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Old 08-08-2008, 12:42 AM   #16
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Is it still connected (at the hose)?
Do you have a test light?
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Old 08-08-2008, 12:44 AM   #17
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i don't know where the t/o sensor is but i don't recall disconnecting anything other than the fuel tank and pump. how would the tip over sensor keep the fuel pump from actuating? does it shut off power to the fuel pump? if so, how do you reset it? surely if it falls over, shuts off, you shouldn't have to do anything with a tip over sensor in order for the bike to start back up.
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Old 08-08-2008, 12:46 AM   #18
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Quote:
Originally Posted by Radar View Post
Is it still connected (at the hose)?
Do you have a test light?
i have it on the work bench now but, i don't have a proper test light, all i ever use is an old motorcycle blinker for a test light (hey, it works) but i don't want any sparks near there, maybe i'll get a test light at lunch 2morrow maybe i'll load it up and take it to the nearest shop and have them throw a meter on it and check it for me.
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Old 08-08-2008, 12:49 AM   #19
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ok
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Old 08-08-2008, 12:51 AM   #20
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How many wires are in the connector on the pump (as it lays on the bench?)
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