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#1
03-31-2011, 11:19 PM
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ignition coils
If I am not mistaken our only option is OEM right? After installing the EUTUNE stage 2av1 today, I still have a rough idle. I pulled all the injector clips one at a time to verify connections, and every time the car stalled. It should run on only 5 cylinders, right? I figure I have possibly multiple bad coils. It runs decentush up top, but it does not idle correctly. I thought it was the cams, but I am almost positive its the coils. They are the only thing that was reused in the build that could causea rough idle. Also, I feel it should pull harder.
That being said, she sounds good and makes good power. I just think she should make more. And she sounds like she has an occasional miss.
__________________
Cam '92 Ls-L Dark Teal 11:1 CR ECUTUNE pistons ECUTUNE .256 duration intake/exhaust cams ECUTUNE STAGE 2AV1 ECU Z32 MAF/SR20DET injectors Balanced & Blueprinted 
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#2
03-31-2011, 11:30 PM
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Re: ignition coils
Do you have a CEL?
__________________
. Earl .... ... .... ><SVX(*> Subaru Ambassador [COLOR=”silver”]1992 Tri Color L[/COLOR] ~45K (06/91) #2430 1992 Dark Teal LS-L ~184K (05/91) #0739 1992 Claret LS-L ~196K (05/91) #0831 1992 Pearl LS-L ~103K (06/91) #1680 1992 Pearl LS-L ~151K (06/91) #2229 1992 Dark Teal LS ~150K (07/91) #3098 (parts car) 1992 White LS-L ~139K (08/92) #6913 1993 25th AE ~98K (02/93) #164 1993 25th AE ~58K (02/93) #176 1993 25th AE ~107K (02/93) #215 1993 25th AE ~162K (02/93) #223 1994 Laguna Blue Pearl LSi ~124K (1/94) #2408 1994 Laguna Blue Pearl LSi ~144K (10/93) #1484 1994 Laguna Blue Pearl LSi ~68K (10/93) #1525 1994 Barcelona Red LSi ~46K (02/94) #2624 1994 Pearl LSi ~41K (12/93) #1961 1995 Bordeaux Pearl LSi ~70K (02/95) #855 1996 Polo Green LSi ~95K (03/96) #872 1997 Bordeaux Pearl LSi ~55K (08/96) #097 2003 Brilliant Red LS1 Convertible ~29K (04/03) #8951 1999 Magnetic Red LS1 Coupe ~33K (04/99) #6420 My Email | Old Locker | New Locker | Picture of 15 of the 19
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#3
04-01-2011, 04:01 AM
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Re: ignition coils
It will limp home on 4 cylinders. I had the 2 front coils go on mine at the same time. What about the MAF?
__________________
'92 SVX LS Pearl White - 6mt
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#4
04-01-2011, 05:44 AM
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Re: ignition coils
Maf is fine. Just got replaced with a z32. No CEL.
__________________
Cam '92 Ls-L Dark Teal 11:1 CR ECUTUNE pistons ECUTUNE .256 duration intake/exhaust cams ECUTUNE STAGE 2AV1 ECU Z32 MAF/SR20DET injectors Balanced & Blueprinted
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#5
04-01-2011, 09:07 AM
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Re: ignition coils
i had a bad coil once, didn't give me a check engine light.
__________________
1992 Pearl White LS Owned since 2009 175k Miles STi Airlift Performance air suspension 2005 WRX manual swap Rear wheel drive  K-Staff front bumper Delta Speed side skirts JDM clear corners Smallcar grille Subaru XT steering wheel Subaru XT shift knob First bagged SVX in the world Worlds first SVX on air suspension. Custom made (by myself) spare tire subwoofer.
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#6
04-01-2011, 09:09 AM
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Re: ignition coils
Quote:
__________________
Cam '92 Ls-L Dark Teal 11:1 CR ECUTUNE pistons ECUTUNE .256 duration intake/exhaust cams ECUTUNE STAGE 2AV1 ECU Z32 MAF/SR20DET injectors Balanced & Blueprinted
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#7
04-01-2011, 09:17 AM
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Re: ignition coils
same kind of symptoms too. super rough idle. went away at higher rpms. i didn't drive her though, i towed her to the shop, because i had JUST got her back from an oil change from my mechanic (who hates subarus and thinks my dad is a retard for buying me a car this fast for a first car) who i thought drained all the oil so the engine would seize.. turned out i wasn't putting the dipstick in all the way
i hate being so paranoid.
__________________
1992 Pearl White LS Owned since 2009 175k Miles STi Airlift Performance air suspension 2005 WRX manual swap Rear wheel drive K-Staff front bumper Delta Speed side skirts JDM clear corners Smallcar grille Subaru XT steering wheel Subaru XT shift knob First bagged SVX in the world Worlds first SVX on air suspension. Custom made (by myself) spare tire subwoofer.
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#8
04-01-2011, 10:57 PM
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Re: ignition coils
Hey Cam.
I still have the old coils out of mine. If you want to borrow them to troubleshoot, let me know.
__________________
92' Ebony. Magnaflow exhaust, tinted windows, STI wheels, 97' grille, Bontrager Works SB, ECUtune transaxle and TCU. 77' IHC Scout SSII
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#9
04-02-2011, 12:00 AM
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Re: ignition coils
Sounds like a good deal to me Andrew. We'll touch base. Did you know which one was bad when you got your new ones?
__________________
Cam '92 Ls-L Dark Teal 11:1 CR ECUTUNE pistons ECUTUNE .256 duration intake/exhaust cams ECUTUNE STAGE 2AV1 ECU Z32 MAF/SR20DET injectors Balanced & Blueprinted
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#10
04-02-2011, 05:04 PM
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Re: ignition coils
Unfortunately, no.
I'm not working this weekend so PM me your #
__________________
92' Ebony. Magnaflow exhaust, tinted windows, STI wheels, 97' grille, Bontrager Works SB, ECUtune transaxle and TCU. 77' IHC Scout SSII
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