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Old 04-06-2008, 02:53 PM   #1 (permalink)
 
Registered: Oct 2007
Posts: 9
Reputation: Bhood1 is an unknown
Question Big Problem. Need help!!

ok, I am soooo confused, I put some GSC S1 cams in my car. I dropped it off at my tuner. While there he put in some 750cc injectors. While he was tuning it he told me that sometimes when he was at a stop, the outer cylinders just stopped working. Then like magic they started again.....Finally he got it finished. About a week later I was driving it happened to me. I was driving it easy maybe at 3.5k, 0lbs boost. I pulled over turned it off, waited about 1 minute started it up and poof.....it ran like new. Called my tuner and he said that the coil pack might need replaced. So, I bought a new coil and changed the spark plugs. Today I was driving and damn if it didn't happen again. They shut down, then started working fine again. Anyone have an Idea of what is going on???
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Old 04-06-2008, 06:53 PM   #2 (permalink)
 
Registered: Jan 2007
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How do you know The outer cylinders shut down?
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Old 04-06-2008, 07:22 PM   #3 (permalink)
 
Registered: Oct 2007
Posts: 9
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My tuner was logging it at the time. He told me what happened, but I can't remember anymore.
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Old 04-06-2008, 09:11 PM   #4 (permalink)
 
Registered: May 2007
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Are the clips to your injector harnesses attatched? I've seen this issue before where a buddy bought a used Evo that was modded and returned to stock. The prior owner did not install the U-shaped wire retaining clips on the injector harnesses so every once in awhile the number one injector harness would wiggle loose just enough to disconnect it. This created a nice bog down during high RPM's (the vibes caused it to wiggle loose).

I'd check your injectors...my bet is they are missing the clips.
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Old 04-06-2008, 10:00 PM   #5 (permalink)
 
Registered: Jul 2005
Posts: 431
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Quote:
Originally Posted by SuPeRNeT View Post
How do you know The outer cylinders shut down?
Good question
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Old 02-13-2011, 06:24 AM   #6 (permalink)
EVOtuners Member
 
Car: 05 EVO
Club Region: Midwest
Registered: Feb 2011
Posts: 2
Reputation: JulesBean is an unknown
Quote:
Originally Posted by Evolvd View Post
Are the clips to your injector harnesses attatched? I've seen this issue before where a buddy bought a used Evo that was modded and returned to stock. The prior owner did not install the U-shaped wire retaining clips on the cd printing companies so every once in awhile the number one injector harness would wiggle loose just enough to disconnect it. This created a nice bog down during high RPM's (the vibes caused it to wiggle loose).

I'd check your injectors...my bet is they are missing the clips.
I had a very similar problem.........and thanks to this thread it is solved..........it was a retaining clip.........OMG
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