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Location:
Sydney
Registered:
October 2003
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playing with ems and now won't hold idle
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Tue, 02 March 2004 04:54
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I admit I'm a complete newbie when it comes to cars...
anyway, I was fixing some electrical problems with the turbo timer in the car (which i fixed fine btw)
anyway, at the same time curiosity took the better of me and i was just *looking* though the settings in the ems computer.
well i must have changed something cause now the car wont idle. you have to hold ur foot down on the throttle or it dies 
the computer is an ems duelsport
any idea what ive done? and what i need to fix?
Learning is normally fun...except when you have to catch the bus cause you stuffed up
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Registered:
April 2003
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Re: playing with ems and now won't hold idle
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Tue, 02 March 2004 05:44
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i aint too familiar with this, but try disconnecting your + wire from ur battery and connect it a few hours later....start it up and see how she runs. This could update the settings (stuffed up or not) and should be able to find it's idle.
someone confirm me about this?
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Location:
sydney
Registered:
June 2003
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Re: playing with ems and now won't hold idle
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Tue, 02 March 2004 06:16
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disconnecting the battery wont reset a ems computer
where abouts were u looking. settings or maps or somewhere else
if you changed something u would have had to hit the enter button to save the change. give me some more info and maybe i can help ya. what sort of engine are we talkin about ??
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Location:
Sydney
Registered:
October 2003
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Re: playing with ems and now won't hold idle
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Tue, 02 March 2004 06:56
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in the settings -
the TPS wasn't working as one the wires in the loom was broken. so i ran another cable and then told the computer to it. so i was in the settings doing that. yes i know you have to press enter to save it...i dont think i touched anything but maybe i did
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Location:
Melbourne
Registered:
May 2002
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Re: playing with ems and now won't hold idle
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Tue, 02 March 2004 07:19
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Just thinking about your problem, i dont think you have changed any maps or anything like that, generally because the menu you would have been in to adjust tps settings would be the setup menu, so nor would you have maybe turned off a axillary idle speed controler, my hunch is that maybe you might have changed the settings on the computer of the number of teeth in your magnetic pick up causing the input figures into the computer to be all haywire, how does the car run when you have your foot on the accelarator, normal, or diff(if so how)?
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Location:
Sydney
Registered:
October 2003
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Re: playing with ems and now won't hold idle
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Tue, 02 March 2004 07:58
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sometimes it sounds like its missing, but other times just rough... im going out now to write down all the settings.
does anyone know how to go about hooking it up 2 a laptop to save everything? i tried it on the weekend but didn't get anywhere. im thinking it might be a parallel connection not serial?
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Location:
Sydney
Registered:
October 2003
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Re: playing with ems and now won't hold idle
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Tue, 02 March 2004 08:45
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Ok I think I may have fixed it, but since the voltage is around 9v I'll be waiting till my mate comes over with jumper leads so I can start it (for some dumb reason the guy who did the engine conversion wanted to leave an auto gearbox in it)
I changed the AUXOP1 setting to mode 12 (idle control) as I seem 2 remember it being there before. If that doesn't work I'll post the other options in case you can see something obviously wrong.
General question - how does the computer control the idle? I thought it was done manually by controlling how far open the throttle is at 0%
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Location:
Melbourne
Registered:
May 2002
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Re: playing with ems and now won't hold idle
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Tue, 02 March 2004 08:46
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To my knowledge you have to send the duel sport box of to ems for em to enable a laptop hookup to save everything, or something along those lines.
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I supported Toymods
Location:
Plumpton/sydney
Registered:
November 2003
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Re: playing with ems and now won't hold idle
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Tue, 02 March 2004 09:52
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If you Still have problems with it ring dyno dave at premier auto center in mt druitt he is an ems guru.
By the way what is this running on ie: car/motor.
P.S didn't your mum tell you as a kid if its not broke don't fix it 
Cheers
BEN
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Location:
Sydney
Registered:
October 2003
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Re: playing with ems and now won't hold idle
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Tue, 02 March 2004 11:20
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lol like i listened though 
its running on an st162/3sgte
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Location:
Sydney
Registered:
October 2003
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Re: playing with ems and now won't hold idle
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Wed, 03 March 2004 11:20
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fixed now  (kinda)
I told the ems to ignore the TPS and now it starts fine
however...
when i re-wired the TPS I didn't bother wiring it back into the original computer, except that it must be needed by the computer for the auto gearbox. Now my car has 2 speeds - idle and 'rocket mode'. The gearbox changes gears at 5000rpm, if your doing 50 and touch the accellerator to goto 60, the car jumps down the 2nd gear and revs to 3000rpm. So to make the car go anywhere involves putting ur foot down which is cool, but then ur driving at 120.
Anyway, thats not a problem - I'll just wire it back upto the comptuer, the problem is why does the car not idle with the TPS enabled? It works! When you dont have foot on it it says 0%, on the floor it says 100%
Any ideas?
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I supported Toymods
Location:
Plumpton/sydney
Registered:
November 2003
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Re: playing with ems and now won't hold idle
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Wed, 03 March 2004 11:55
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Becaus you haven't programed the computer to run in tps mode so it proberly has no mapping done, Take the car to a dyno and get them to tune it in tps mode and your problem will be fixed.
Or JUST LEAVE IT THE FUCK ALONE 
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Location:
Sydney
Registered:
October 2003
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Re: playing with ems and now won't hold idle
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Wed, 03 March 2004 21:27
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leave it alone 
wheres the fun in that?
thats what I thought the diagnosis would be...thanks guys
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