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Old 07-19-2007, 09:44 PM   #1
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Odd Stumble Solved : Getting spark blow out. Regapped plugs to .35

Update -- Solved : Getting spark blow out. Regapped plugs to .35

My first post :)

I have been trying to track down some issues with my turbo install. I noticed something today that struck me as odd. When accelerating and I hit 4k it starts to stumble. I noticed that when it stumbles the rpm actually drops. I was at about 4200 rpm's and it dropped to 4k. I though this might actually be a misfire but my dash has not lit up once. I am a little confused so a little insight would be appreciated .

My config

2002 SVT Focus Stock except for Borla cat back.
Xios Motorworks Turbo Kit installed by me.
Tune provided by FocusSport.


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Old 07-19-2007, 10:30 PM   #2
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put you in forced induction chat. you will get a lot more help here.
welcome to teh site bro
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Old 07-19-2007, 10:47 PM   #3
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put you in forced induction chat. you will get a lot more help here.
welcome to teh site bro
Thanks man! Mucho appreciated
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Old 07-19-2007, 10:56 PM   #4
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its your ecu learning, take it easy. I had the samething
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Old 07-19-2007, 11:37 PM   #5
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Yeah, it really sounds like it is in the tune. Do you have any kind of monitoring device on there such as EGT or a real wideband?

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Old 07-20-2007, 12:18 AM   #6
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yeah, sounds like the tune to me, you might want Tom's input, he seems to be the local turbo tune guru
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Old 07-20-2007, 09:07 AM   #7
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sounds like a missfire to me. that is what mine did when it had a missfire. what are the gaps on your plugs?

the ecu probably has the adaptive learning turned off to keep it from changing the tune. so i doubt that is it.
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Old 07-20-2007, 09:33 AM   #8
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Hey your most probally getting spark blow out what are your spark plugs gapped at they should be at .35 and also what kind of spark plugs
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Old 07-20-2007, 10:10 AM   #9
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FOCUS ZTS: I dont think it is the ECU learning. I have put 300 miles on it.

viney266: No monitoring device. I do have a WB on my Turbo Mustang. I could install it on my focus if it came down to it.

tls_bmx: My plugs are gapped at .50

The thing with the tune is it is isupposed to be good out of the box. I have not seen one thing posted about problems with the tune. I am not ruling it out though.

One other thing is my car ran perfect before the Turbo install.
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Old 07-20-2007, 10:21 AM   #10
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Quote:
Originally Posted by Roushturboedzx3 View Post
Hey your most probally getting spark blow out what are your spark plugs gapped at they should be at .35 and also what kind of spark plugs
.35!? I have read everywhere they are supposed to be .51

My plugs are Denso Iridium 1 step colder.
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