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#290055 - 07/22/03 07:15 PM Location of connector C123 and C124...
Anonymous
Unregistered

AxeMan,
Do you happen to know where this connection is physically located in the engine wiring harness??? The service bulletin/recall information says there is a connector(s) which works itself loose. I am wondering if I might be able to physically plug this connector back in if it is loose??? What do you think???

Red Arrow
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#290056 - 07/22/03 09:32 PM Re: Location of connector C123 and C124...
Axe Man Offline

Kia Moderator Emeritus
Registered: 03/02/02
Posts: 4497
Loc: Highland, NY
Ain't this something. The electrical manual does NOT describe where C123 and C124 are physically located. But it shows them on the schematics. If you send me an e-mail at mjats@juno.com I'll forward to you what I have. C123 is for the fuel injectors. C124 is for the Idle Air Control Valve.
_________________________
1998 Sportage - Gone.
2004 Honda Civic Coupe.
2007 Suzuki Grand Vitara - She got it.
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#290057 - 07/22/03 10:28 PM Re: Location of connector C123 and C124... [Re: Axe Man]
Axe Man Offline

Kia Moderator Emeritus
Registered: 03/02/02
Posts: 4497
Loc: Highland, NY
If you go to [url=Http://www.kiatechinfo.com][url=Http://www.kiatechinfo.com][url=Http://www.kiatechinfo.com][url=Http://www.kiatechinfo.com]Http://www.kiatechinfo.com[/url][/url][/url][/url] and then look up the TSB's it might describe where those connectors are located. I can't get into the site now....seems to be down.
_________________________
1998 Sportage - Gone.
2004 Honda Civic Coupe.
2007 Suzuki Grand Vitara - She got it.
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#290058 - 07/23/03 05:25 PM Re: Location of connector C123 and C124... [Re: Axe Man]
Axe Man Offline

Kia Moderator Emeritus
Registered: 03/02/02
Posts: 4497
Loc: Highland, NY
I got into the site today and I found that TSB. And I ran a hardcopy of it. It is one messy job to do yourself. You have to remove the intake pipe, throttle body, and the intake manifold. I would strongly suggest you have the dealer do it. It's free even if you are out of warranty.
_________________________
1998 Sportage - Gone.
2004 Honda Civic Coupe.
2007 Suzuki Grand Vitara - She got it.
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#290059 - 07/25/03 06:36 PM Re: Location of connector C123 and C124... [Re: Axe Man]
Anonymous
Unregistered

Thanks for the advice... I actually had this recall performed yesterday (Thursday) and guess what... This morning, I go outside and start her up and it is still misfiring when cold... Not so much after it is warm, but a lot when it is the first time starting for the day... I already informed the Service Advisor at the Kia Dealership and he said both himself and the mechanic ran a full "data test" on the entire engine when it was completed... Tom said the computer checked every sensor and gadget on the engine and it checked out fine, according to the computer... So, I spoke with my brother about this, he used to be a Kia mechanic... Our current assumption of this issue is we think either the spark plug wires, or the coil packs are arcing against the engine when it is idling, and when I press the accelerator and bring it above idle, the coils generate a stronger spark and then this allows the plugs to fire... What do you think???

Thanks,
Red Arrow
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#290060 - 07/25/03 07:53 PM Re: Location of connector C123 and C124...
Axe Man Offline

Kia Moderator Emeritus
Registered: 03/02/02
Posts: 4497
Loc: Highland, NY
Could be. Worth a shot. Although I would think the ECM would set a misfire code. But perhaps not.

Another thought: maybe the valve cover gasket is leaking internally to the plug wells. You'll know as soon as you pull the coil packs and plug wires. If they have oil on them your valve cover gasket is shot.

Maybe even a bum spark plug?
_________________________
1998 Sportage - Gone.
2004 Honda Civic Coupe.
2007 Suzuki Grand Vitara - She got it.
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#290061 - 07/28/03 03:50 AM Re: Location of connector C123 and C124... [Re: Axe Man]
Anonymous
Unregistered

Quote:
Could be. Worth a shot. Although I would think the ECM would set a misfire code. But perhaps not.

Another thought: maybe the valve cover gasket is leaking internally to the plug wells. You'll know as soon as you pull the coil packs and plug wires. If they have oil on them your valve cover gasket is shot.

Maybe even a bum spark plug?


Could be very true. Not all electrical problems set off the CE light.
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#290062 - 08/02/03 11:30 PM Re: Location of connector C123 and C124... [Re: Axe Man]
Anonymous
Unregistered

Hey AxeMan...
Well, I had the recall completed for the fuel injection wiring harness... Then, I pickup the Kia and guess what... Still had the same misfiring problem... After speaking with my brother and checking the ignition wires myself today... I found the original ignition wires were arcing right through the top of the spark plug boot, you know where the rubber "flange" is that rests on the top of the cylinder head/valve cover.... So, I replaced the two ignition wires, but the coil packs were out of stock at the local kia dealer... So, I figured out a good work around... Under the coil packs, are the other spark plug boots... These were shorting out as well, as evidenced by orange/rust colored powder on the boot... My brother said this shows where the moisture was collecting and allowing the wiring to short... Anyway, I covered the boots in a single layer of electrical tape, and it works!!! This is of course temporary... I will be getting the new coil packs on Tuesday from the local dealer...

Thanks for all the good help!!!

Take care, Matthew
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