FUEL PUMP STICKY - SV1000 Portal
 
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post #1 of 9 (permalink) Old 10th January 2020, 12:36 AM Thread Starter
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FUEL PUMP STICKY

Had an issue a few times this week where the fuel pump doesn't spin up as it should.

Instead of the high pitched whirring until pressure is reached, i get a very short low pitched grumble, and the FI light starts to flash.

I re-toggle the kill switch and it spins up fine then....

Has anyone had this before, and is it likely the pump is stuffed....?

This pump has about 70k miles on it at the most, having replaced the original when i got power issues due to it fluctuating badly....

I haven't yet plucked it to check the pickup, but even if that was massively clogged the pump would be screaming its head off trying to get pressure.

Or, the pressure filter is beyond clogged, again i doubt that, as i have not driveability issues.....

One owner..... 295,000kms and counting... 5k to go....

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post #2 of 9 (permalink) Old 10th January 2020, 01:10 AM
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Hmmm.....is your battery in good nick under load? That's all I got.


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post #3 of 9 (permalink) Old 10th January 2020, 01:34 AM
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Quote:
Originally Posted by Missing Link View Post
Had an issue a few times this week where the fuel pump doesn't spin up as it should.



Instead of the high pitched whirring until pressure is reached, i get a very short low pitched grumble, and the FI light starts to flash.



I re-toggle the kill switch and it spins up fine then....



Has anyone had this before, and is it likely the pump is stuffed....?



This pump has about 70k miles on it at the most, having replaced the original when i got power issues due to it fluctuating badly....



I haven't yet plucked it to check the pickup, but even if that was massively clogged the pump would be screaming its head off trying to get pressure.



Or, the pressure filter is beyond clogged, again i doubt that, as i have not driveability issues.....


A bit of corrosion on the connector at the fuel pump relay or a weak relay can do exactly as you state.

-ms


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post #4 of 9 (permalink) Old 10th January 2020, 06:32 AM Thread Starter
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Cheers guys....

The relay? Please speak slowly, and point clearly to where i find that one... ha ha

One owner..... 295,000kms and counting... 5k to go....

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post #5 of 9 (permalink) Old 10th January 2020, 10:47 PM
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i am experiencing that exact issue, but when I check the code it is relative to the ignition, and it only happens once in a while....

but some jackass tried to start my bike with a screwdriver.... so i assume its just going to need replacing at some point soon.
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post #6 of 9 (permalink) Old 11th January 2020, 09:56 AM Thread Starter
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Yeah, i am gonna go through it all and lube up all the connections.... my ignition switch and switch blocks are all original.....so they have been round the traps for a bit...

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post #7 of 9 (permalink) Old 21st January 2020, 05:23 AM
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Any resolve to your sticky fuel pump? Mine chirps like a bird priming, seems OK though.
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post #8 of 9 (permalink) Old 21st January 2020, 05:59 AM Thread Starter
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Bugger hasn't done it since, believe it or not..... haven't got around to doing anything to it, had my radiator shit itself, so i had to get that sorted....ha ha...

On a side note, the thicker of the two vent hoses onto the bottom of the fuel tank decided to replicate
itself by breaking in 2...got some very thick walled 8mm fuel hose onto that....

One owner..... 295,000kms and counting... 5k to go....

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post #9 of 9 (permalink) Old Yesterday, 12:16 AM Thread Starter
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...ok...it did it 3 times this morning, cycled the kill switch 3 times and it just "jams" my LED headlight fans drop off a little while the kill switch is on, so the pump is drawing power while this is happening...
I had to turn the ignition off and try again and then it was fine...

I have yet to go through the wiring, but, has anyone any clues on whether a aftermarket pump is truly suitable from 03-07 ?
I know the assembly of the pump is different because of wiring, but the core pump itself is the question....and suggestions of a brand.....

One owner..... 295,000kms and counting... 5k to go....

2003 Copper SV1000S
Repainted Ford PE (Petroleum Mica)
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