Cold stalling - Kawasaki ZX-10R.net
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post #1 of 17 Old 04-12-2008, 02:57 AM Thread Starter
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Cold stalling

My bike has done this ever since i bought it, when i start it cold it runs fine for about a minute or 2, then the idle drops down really low and starts to die, if I give it a bit or gas its fine and as i ride everything is great.

If I raise the idle to idle properly cold, its too high when its hot. So I just set it hot and leave it that way, but its getting really annoying.

At first I thought it was the way it was mapped with the TFI box I had, but now I have swapped that out with a PC3 and it does the exact same thing....

anyone have any knowledge of this?

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post #2 of 17 Old 04-12-2008, 03:56 AM
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i have the exact same problem. i thought it was just my map in the pc3. i have a ti force full exhaust, gipro, and use the map from dynojet for that exhaust. i too would be interested in an answer.

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post #3 of 17 Old 04-12-2008, 04:10 AM
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im not sure what the problem is. but you could try this:

start it cold. wait till its about to die, then raise the idle up a little just enough for the bike not to die.

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post #4 of 17 Old 04-12-2008, 05:43 AM
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done that, when it warms up it is idling way too fast. as soon as the water temp, about 130, shows on the gauge its ok. i have tries to set the fast idle. i have tried to fake out the water temp signal and the air temp signal. nothing seem to make any difference.

also if i allow it to stall a couple of times it fouls the plugs and won't start. this seems to indicate its too rich at idle.

i quess the next step would be to try a custom map.

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post #5 of 17 Old 04-12-2008, 09:22 AM
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What´s the outside temperature around there?
What engine oil are you using? May be too thick
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post #6 of 17 Old 04-12-2008, 12:36 PM
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Quote:
Originally Posted by greentourismo View Post
My bike has done this ever since i bought it, when i start it cold it runs fine for about a minute or 2, then the idle drops down really low and starts to die, if I give it a bit or gas its fine and as i ride everything is great.

If I raise the idle to idle properly cold, its too high when its hot. So I just set it hot and leave it that way, but its getting really annoying.

At first I thought it was the way it was mapped with the TFI box I had, but now I have swapped that out with a PC3 and it does the exact same thing....

anyone have any knowledge of this?
Synch your throttle bodies...if you've never done it or had it done that could be the reason.

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post #7 of 17 Old 04-12-2008, 06:29 PM
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Mine does it on cold mornings, one blip of the throttle and no stallie.
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post #8 of 17 Old 04-12-2008, 11:30 PM
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oil is mobil 1 10x40 mxt. temp can be anywhere from 30F to 70F.
i have never synced the throttles. i assume that by this you mean adjust the airflow across all 4 throttle bodies. i did set the throttle position for open-close on the PCIII.

one blip of the throttle does nothing. the only thing that works is to manually keep the rpm around 2000 till the temp comes up.

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post #9 of 17 Old 04-13-2008, 01:01 AM Thread Starter
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done that, when it warms up it is idling way too fast. as soon as the water temp, about 130, shows on the gauge its ok. i have tries to set the fast idle. i have tried to fake out the water temp signal and the air temp signal. nothing seem to make any difference.

also if i allow it to stall a couple of times it fouls the plugs and won't start. this seems to indicate its too rich at idle.

i quess the next step would be to try a custom map.
yup, sounds the exact same, i raise it up enough to keep it runnning and when it warms up its idling way to fast and i have to bump it back down. And yes, if it stalls, it takes a bit of cranking to get it going agian.

I thought it was the mapping but switching from the TFI to PC3 did absolutely nothing, so its hard to blame it on that, you think it would have made a bit of a difference...

and btw...i live in a mild climate, and i run 10w40

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post #10 of 17 Old 04-13-2008, 07:57 AM
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i guess the next step will be to sync the throttle bodies. but, it will have to wait till after my next track run in may. i don't want to muck with the engine and screw it up so i'm not ready for may 1st.

i have change maps and have changed the map in the idle region both up and down with no effect.

if syncing the throttles fixes the problem i'll report back. any other suggestions are welcome.

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