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Author Topic: No Sparky  (Read 9092 times)

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Offline dsrace

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Re: No Sparky
« Reply #15 on: May 13, 2019, 07:48:13 AM »
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Offline fabr

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Re: No Sparky
« Reply #16 on: May 13, 2019, 10:02:00 AM »
That doesn't protect the ecu.
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Offline dsrace

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Re: No Sparky
« Reply #17 on: May 14, 2019, 07:00:56 AM »
keeping the ground clamp close is always best. i have never seen damage from disconnecting the batt and i always have the extra 60 secs to disconnect. i have seen 2 cars lose the main fuse from not disconnecting.
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Offline fabr

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Re: No Sparky
« Reply #18 on: May 14, 2019, 08:46:29 AM »
Welding current can travel just about anywhere. I had a braided brake line melt in two once at the rear of the car even though I was welding on the front and the ground clamp was just a few inches away. Never did figure that one out.
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline fastcorvairs

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Re: No Sparky
« Reply #19 on: May 16, 2019, 05:59:37 AM »
RD came out yesterday and we run some test.  fuel injectors were receiving a signal from the ECU and fuel was getting to the injectors.  So RD pulled the injectors and fuel rail to have cleaned.  We think the injectors have corroded shut.   RD has a place up close to him in Valley Center KS where he lives that can clean and rebuild the injectors.  More on this when we get them back. 
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Offline fabr

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Re: No Sparky
« Reply #20 on: May 16, 2019, 06:02:52 AM »
How long had it sat since running?
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline dsrace

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Re: No Sparky
« Reply #21 on: May 16, 2019, 06:41:17 AM »
well that's good to hear i guess. so he made sure he does have fuel getting to the injectors?i ask because if he's using the factory fuel pump and housing there's a fuel reg in that head that can go bad.
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Offline fastcorvairs

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Re: No Sparky
« Reply #22 on: May 16, 2019, 11:57:43 AM »
Quote from: fabr on May 16, 2019, 06:02:52 AM
How long had it sat since running?

I know for sure  10 years if not more.
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Offline fastcorvairs

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Re: No Sparky
« Reply #23 on: May 16, 2019, 11:58:37 AM »
Quote from: dsrace on May 16, 2019, 06:41:17 AM
well that's good to hear i guess. so he made sure he does have fuel getting to the injectors?i ask because if he's using the factory fuel pump and housing there's a fuel reg in that head that can go bad.

All after market fuel pump and regulater. 
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Offline dsrace

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Re: No Sparky
« Reply #24 on: May 17, 2019, 07:09:16 AM »
fuel pump relay effects inj's as well as a couple other systems btw so might still want to check that too.
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Offline dsrace

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Re: No Sparky
« Reply #25 on: May 17, 2019, 11:50:53 AM »
interesting read



If this code c41 comes on the problem is not your fuel pump, the FI light will not flash if the pump goes bad. The computer does not know if the fuel pump is on or off. generally the problem is in the fuel pump relay, the ecm, or a blown fuse. the hayabusa is good for some corroding on some of the connectors. check the fuel pump relay connector located under the front seat of the bike right behind where the tail section starts. You may have to take the tail section off to do so. Also check the connecter on the ecm for corrosion. If corrosion is there use CRC electrical connection cleaner and a small pick to clean it out. And then there is the fuse box located directly under the clutch lever, you will have to pull the left fairing for this. the box is under the black ram air cover. check the fuse it is a 10 amp mini fuse. the fuse in the box is at the bottom right second one up. most times it is either the fuse or the relay being bad. MAKE SURE YOU DISCONNECT THE BATTERY BEFORE YOU DO ANY OF THIS!
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Offline fabr

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Re: No Sparky
« Reply #26 on: May 17, 2019, 12:31:08 PM »
C41 is always showing on mine. Doesn't keep it from running.
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline dsrace

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Re: No Sparky
« Reply #27 on: May 17, 2019, 01:19:04 PM »
the owner of the rail said he never noticed the fi light on before. his ecu had a diff code stored but it was fuel pump relay. he doesnt use it either like fabr and many others. he got his inj's back yesterday.....all 4 were fine and extremely!!  close if flow rates!  it wasnt the injns that are causing the no start.
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Offline fabr

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Re: No Sparky
« Reply #28 on: May 17, 2019, 05:50:20 PM »
Yet it fires right off with ether. That means,to me,only one thing. They are not being triggered. Now,why. I'm leaning to fried ecu.
Logged
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline dsrace

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Re: No Sparky
« Reply #29 on: May 18, 2019, 06:24:55 AM »
Quote from: fabr on May 17, 2019, 05:50:20 PM
Yet it fires right off with ether. That means,to me,only one thing. They are not being triggered. Now,why. I'm leaning to fried ecu.

kind of my thoughts too. i told him to pick up a set of noid lights and plug them to see. cheap and easy to test. his is an 2001 busa so 2001 only on the ecu. there are a few on ebay......i checked lol i did explain how to swap out to 02-07 ecu for the faster processor along with flywheel. that would set him up for newer controllers like bazzaz and the latest power commander if he wanted to. the unique aspect of the 2001 is the harness is already wired correct for 02-07 ecu just need the newer flywheel for the additional teeth. the 2001 crank sensor still works. i did this on my 2001 as bazzaz doesnt support 99 -01 ecu's.     he did tell me this has happened one other time a while back. wouldn't fire off most of the day, sat over night, then fired right off the next morning. that what some time back so who knows but ecu controls the ground side so either its fried or not getting the signal to fire off.
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Don't never argue with an Idiot!
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