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Goonz SVT
Addicted CEG'er

Reged: 05/18/04
Posts: 9872
Loc: Pakistan, MA
Re: MISSFIRING **Update** new
#1214875 (Re: MapOfTaziFoSho) 04/13/06 02:55 AM

fair enough, I'll try it tommorow, thanks pete..if my wires are legit then it obviously has to be my plugs then correct?

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MapOfTaziFoSho
Hard-core CEG'er

Reged: 09/01/02
Posts: 9065
Loc: The E.L.
Re: MISSFIRING **Update** new
#1214900 (Re: Goonz SVT) 04/13/06 03:17 AM

Originally posted by Goonz SVT:
fair enough, I'll try it tommorow, thanks pete..if my wires are legit then it obviously has to be my plugs then correct?




Most likely...I replaced my plugs once with the brand new coil and they foiled again. I took the coil back under warranty and am now running a brand new one in my 3L, with new plugs, and the old magnacores.

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FavoriteMystaque
Hard-core CEG'er

Reged: 10/17/04
Posts: 1456
Re: MISSFIRING **Update** new
#1215524 (Re: MapOfTaziFoSho) 04/14/06 12:14 AM

Try checking plug gaps, I ran mine at .050, a little less than specified for the standard Duratec, so they spark earlier. Seems good over 6 months.

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Big Jim
Hard-core CEG'er

Reged: 09/03/00
Posts: 4693
Loc: Thousand Oaks, California, USA
Re: MISSFIRING **Update** new
#1215715 (Re: FavoriteMystaque) 04/14/06 04:38 AM

Originally posted by FavoriteMystaque:
Try checking plug gaps, I ran mine at .050, a little less than specified for the standard Duratec, so they spark earlier. Seems good over 6 months.




Closing the gap also diminishes spark intensity. My experience has been that you should set at the high end of spec for most cars. You don't close the gap unless you have boost.

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98 SVT
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Mod-deth
Hard-core CEG'er

Reged: 04/15/02
Posts: 1616
Loc: Not too close to you...
Re: MISSFIRING **Update** new
#1215825 (Re: Big Jim) 04/14/06 01:04 PM

Originally posted by Big Jim:
Originally posted by FavoriteMystaque:
Try checking plug gaps, I ran mine at .050, a little less than specified for the standard Duratec, so they spark earlier. Seems good over 6 months.




Closing the gap also diminishes spark intensity. My experience has been that you should set at the high end of spec for most cars. You don't close the gap unless you have boost.




(Carson on)

I did not know that

(Carson off)

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FavoriteMystaque
Hard-core CEG'er

Reged: 10/17/04
Posts: 1456
Re: MISSFIRING **Update** new
#1216309 (Re: Mod-deth) 04/15/06 12:05 AM

Yes, I knew that about spark intensity. I do believe Less gap=less voltage=less likely to carbon track, so far so good for me. I imagine if voltage was too low=narrow gap, it could misfire too.

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Goonz SVT
Addicted CEG'er

Reged: 05/18/04
Posts: 9872
Loc: Pakistan, MA
Re: MISSFIRING **Update** new
#1216368 (Re: MapOfTaziFoSho) 04/15/06 01:43 AM

Originally posted by mapoftazifoshoâ„¢:
Originally posted by Goonz SVT:
fair enough, I'll try it tommorow, thanks pete..if my wires are legit then it obviously has to be my plugs then correct?




Most likely...I replaced my plugs once with the brand new coil and they foiled again. I took the coil back under warranty and am now running a brand new one in my 3L, with new plugs, and the old magnacores.




voltage seems fine..so i guess its off to getting new plugs..i have autolites in at the moment so which ones should I go with now?

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FavoriteMystaque
Hard-core CEG'er

Reged: 10/17/04
Posts: 1456
Re: MISSFIRING **Update** new
#1216410 (Re: Goonz SVT) 04/15/06 02:44 AM

Try this topic: Plug tracking/misfiring There are links to pictures of carbon tracking in that topic, and you should use silicone grease in the plug boots. Make sure the sparkplug socket wrench is clean as well, to prevent tracking. Try a new set of stock wires (motorcraft/autolite). I hope you fix it, I hated that misfiring when I had it!

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Johnnytar
Newbie

Reged: 04/10/06
Posts: 3
Re: MISSFIRING **Update** new
#1216534 (Re: FavoriteMystaque) 04/15/06 01:04 PM

We've tried new coil, new wires, and plugs, also playing a bit with the gap and to no avail. I'm now turning to checking the Idle Air Control valve for sticking.

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BeetleJuice
Newbie

Reged: 04/15/06
Posts: 3
Loc: BR
Re: MISSFIRING **Update** new
#1216648 (Re: Johnnytar) 04/15/06 05:26 PM

hi,

i am new here and i'm having the same problem.. after changing fuel pump and EGR sensor misfire problem reduced but it's still there annoying at low revs ... do you guys think i should go for plugs/wires/coils replacement??
regarding brands magnecor seems to be very good from your posts but i dont think i can buy them around here so my options are stock, ngk or bosch ..

thx

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Mondeo CLX 2.0 Mk2

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