No fuel to bodies :( plez help - 600RR.net
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post #1 of 30 (permalink) Old 09-27-2007, 12:47 AM Thread Starter
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No fuel to bodies :( plez help

So i had to replace my throttle bodies (long story) and put the new ones in no problem. Everything was connected from what I could tell and all the injectors were connected. After putting everything back together I tried to fire it up... nothing. It would turn over, but would not start. I didn't get that pressurizing sound when you turn the kill switch to "on" so I was getting no fuel, and also I kept frying 10amp fuses for my fan.

so... any ideas? I really don’t want to have to tear it all apart again :( The only things I can think of is the vacuum line is improperly connected, or one clear connecter beside the spedo is not connected.

thanks in advance
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post #2 of 30 (permalink) Old 09-27-2007, 08:11 AM
 
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start with the simple stuff first

if the fuel pump isnt priming

make sure that the easy things like kill switch is on, clutch in or in neutral.

BAS plugged in, MIL lights, all those little sensors like TPS, IAC, etc plugged in under the air box?
frying the fuse usually means a short. you may have pinched a wire during installation and it is grounding out to the body.

still the fan shouldnt stop the fuel pump from kicking on because you can run the bike with the fan unplugged
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post #3 of 30 (permalink) Old 09-27-2007, 10:50 AM Thread Starter
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well the bike wouldn’t even turn over if the kill switch was disengaged or bike wasn’t in neutral. The clear connecter I mentioned earlier was just my 3rd headlight so scratch that, and also I re plugged all the wired to the throttle bodies still nothing... if anyone has any other theory’s please let me know
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post #4 of 30 (permalink) Old 09-27-2007, 12:27 PM Thread Starter
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haha so new update, tracked it down to no power going to the fuel pump... now to find the problem
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post #5 of 30 (permalink) Old 09-27-2007, 12:35 PM
 
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Originally Posted by polish projectile View Post
well the bike wouldn’t even turn over if the kill switch was disengaged or bike wasn’t in neutral. The clear connecter I mentioned earlier was just my 3rd headlight so scratch that, and also I re plugged all the wired to the throttle bodies still nothing... if anyone has any other theory’s please let me know
wrong
bike will turn over with kill switch engaged
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post #6 of 30 (permalink) Old 09-27-2007, 12:38 PM
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wrong
bike will turn over with kill switch engaged
yea on the 07's but all the others it wont
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post #7 of 30 (permalink) Old 09-28-2007, 01:05 AM Thread Starter
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is it possible that this problem could be caused by the vacume hose, and the blow off hose being connected wrong? My vacume hose is connected to the right of my throttle bodies, and the left hand side one is cloged.?
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post #8 of 30 (permalink) Old 09-28-2007, 07:33 PM
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is it possible that this problem could be caused by the vacume hose, and the blow off hose being connected wrong? My vacume hose is connected to the right of my throttle bodies, and the left hand side one is cloged.?
no. if the fuel pump isn't priming, it's electrical or it's the pump.

have you checked the Fuel Cutoff Relay yet?
post #9 of 30 (permalink) Old 09-28-2007, 09:16 PM Thread Starter
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actually funny you should mention that, I just finished checking that and i noticed that the continuity between the "free" starter switch (name that the honda service manual calls it) is contantly having conducvity regardless of the possition of the switch. Could this be what is causing the problem? also it seems to pressureize when then fuel switch is on "off" and i hold the starter switch down. **** i hate electrical :P
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post #10 of 30 (permalink) Old 09-28-2007, 09:30 PM
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actually funny you should mention that, I just finished checking that and i noticed that the continuity between the "free" starter switch (name that the honda service manual calls it) is contantly having conducvity regardless of the possition of the switch. Could this be what is causing the problem? also it seems to pressureize when then fuel switch is on "off" and i hold the starter switch down. **** i hate electrical :P
sounds to me like you've found the problem.
post #11 of 30 (permalink) Old 09-28-2007, 09:50 PM Thread Starter
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any way to bipass it? or is it pretty much a new switch? shouldent i be able to just snip the two wires that are constontaly conducting?
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post #12 of 30 (permalink) Old 09-28-2007, 09:52 PM
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no. it needs to actuate.
post #13 of 30 (permalink) Old 09-28-2007, 09:53 PM Thread Starter
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so new switch is the only way outa this one? thats wierd, becuase it worked fine before i took apart the throttle bodies
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post #14 of 30 (permalink) Old 09-29-2007, 01:22 PM
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just so it's clarified here (because he and i have been conversing via PM) that the Fuel Cutoff Relay has been found to be malfunctioning. his problem is not related to the red switch on the grip but rather an electrical component on the left side of the bike under the mid fairing.
post #15 of 30 (permalink) Old 09-29-2007, 01:45 PM Thread Starter
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and your my knight in shinning armor. would i be able to replace that fuel cut off with my fan amp and run it like that? or do i NEED all 3 to complete the circut?
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post #16 of 30 (permalink) Old 09-29-2007, 08:42 PM Thread Starter
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put in a new relay... and nothing. Going to tear into the wireing harness tomrrow, any sudjestions?
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post #17 of 30 (permalink) Old 09-30-2007, 09:44 PM
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keep looking for a fault. is the pump getting any power at all? trace your wires back from there.

The relay wasn't THE problem, however it did need to be replaced. agreed?
post #18 of 30 (permalink) Old 10-01-2007, 02:23 AM Thread Starter
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no they were all running at .9 olms...? Pump works, somehow when my handlebar switch was turned to off and i tried starting the bike it would pressurize...
gonna try and get one of the tech's from work to bring me one of those diagnostic plug in tests
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post #19 of 30 (permalink) Old 10-01-2007, 09:51 AM
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no they were all running at .9 olms...? Pump works, somehow when my handlebar switch was turned to off and i tried starting the bike it would pressurize...
gonna try and get one of the tech's from work to bring me one of those diagnostic plug in tests
dude, there's only one way to test relays. you apply power to them, and test the two leads (the other two prongs). if they aren't producing continuity when power is applied, they are faulty. how were you testing the relays? the resistance should have been 0 or damn close only when power is supplied, and massive resistance when power isn't applied.
post #20 of 30 (permalink) Old 10-03-2007, 03:47 PM Thread Starter
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connected a 12v power source to the two copper prongs and checked conductivity on the other to, no they were all running at .9 olms belive it or not....
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post #21 of 30 (permalink) Old 10-03-2007, 04:00 PM
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Is this how you tested it?
post #22 of 30 (permalink) Old 10-03-2007, 09:57 PM Thread Starter
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yes indeedie
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post #23 of 30 (permalink) Old 10-03-2007, 11:43 PM
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and you weren't getting any continuity? and yet the fuel pump operates... what in the hell...?
post #24 of 30 (permalink) Old 10-05-2007, 12:10 AM Thread Starter
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The fuel pump works, but it isent getting any power. Pluged in a brand new relay today and nothing. It did run at .000 but one of the techs said .9 shouldent make any difference? Ive had about enough of this and want to drive... sorry PUSH my bike off a clif lol. I might have to pay some big $$ to have it looked at
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post #25 of 30 (permalink) Old 10-05-2007, 09:26 AM
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The fuel pump works, but it isent getting any power. Pluged in a brand new relay today and nothing. It did run at .000 but one of the techs said .9 shouldent make any difference? Ive had about enough of this and want to drive... sorry PUSH my bike off a clif lol. I might have to pay some big $$ to have it looked at
.900 is way too high for such a short low power circuit. .000 or daymn close is what you're shooting for, or rather that you have continutity.

what the hell did you do anyway?
post #26 of 30 (permalink) Old 10-05-2007, 11:17 AM Thread Starter
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all i did was replace the throttle bodies?? I didnt touch anything electrical...??? Well if i replace my fuel cut of relay should i not still get my bike to pressureize?
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post #27 of 30 (permalink) Old 10-05-2007, 11:55 AM
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all i did was replace the throttle bodies?? I didnt touch anything electrical...??? Well if i replace my fuel cut of relay should i not still get my bike to pressureize?
yeah, unless more systems are fried or malfunctioning...
post #28 of 30 (permalink) Old 10-06-2007, 02:39 PM
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hmm
I am getting a similar problem like his.
As most of ya'll know i have recently got a new engine for my bike. However today(15mins ago) i spoke with the mechanic working on my bike and he said that the fuel pump is pressurizing but the system does not stop. It just keeps going.
looking thru this thread i see a few things i may have him try but do ya'll have any ideas?

**edit**
Found that the pump was grounding out. trying to figure out what caused this



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Last edited by AFwestPunk; 10-06-2007 at 03:13 PM.
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post #29 of 30 (permalink) Old 10-10-2007, 02:56 PM Thread Starter
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I reconected all of the ruel hookups and realized that there was a few that were connected imporperly. Check your wireing. YAY im back on the road! :D thanks to all who helped!
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post #30 of 30 (permalink) Old 10-10-2007, 03:34 PM
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good greif...
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