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 Post subject: 2005 SLE Coils
PostPosted: Sat Aug 06, 2022 4:46 am 
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Joined: Mon Feb 11, 2013 5:55 am
Posts: 284
Year and Trim: 2003 Bonneville SSEi.
OK..... I am quite miffed at this. I have attempted to use L67 coils on my L32 in the past with out having used the L67 ignition module. In the past, I have encountered the problems of random misfire, making the SES light flash briefly, to having the one of the coils fail.

Here recently, I pulled coils from an L67 and the ICM. Sure, they did good at first until I was at operating temp for a while and under hard throttle.... THAT'S when the random misfire started again. I am literally :banghead: here.

Like.... WTF am I doing wrong?? I please would like some answers regarding this. The stock coils do fine in the car. I have AC Delco wires with NGK TR55 V-Power plugs

And here I thought that the L67 coils would work for hotter spark.... SIGHS.... guess I was wrong.

Any help is appreciated.

Thank you


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 Post subject: Re: 2005 SLE Coils
PostPosted: Sat Aug 06, 2022 10:21 am 
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Joined: Wed May 21, 2008 11:47 pm
Posts: 6648
Location: Philadelphia
Year and Trim: 95 SLE
Any problems in coil swapping are probably issues with the coil.

IIRC the hotter coils have blue at the underside slots that plug into the ICM. I think L67 coils were hotter and then at some point all the S3 coils were the same.

_________________
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95 SLE... a keeper. 241k miles. Low and Slow.
97 BMW 528i
98 Infiniti vq35'd i30: 13.3@104mph, 30MPG Hwy (RIP)
02 Jag X-type
03 BMW M5
05 Chevy Cobalt LS
07 Infiniti G35s 6MT (Sold)
07 Ducati Monster S2R 800 with DS1000 swap
83 Yamaha IT175K
72 Yamaha DS7: '74 RD250 swap, JL chambers

Info on dropping a 92-99: Here.


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 Post subject: Re: 2005 SLE Coils
PostPosted: Sat Aug 06, 2022 2:56 pm 
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Joined: Mon Feb 11, 2013 5:55 am
Posts: 284
Year and Trim: 2003 Bonneville SSEi.
95naSTA wrote:
Any problems in coil swapping are probably issues with the coil.

IIRC the hotter coils have blue at the underside slots that plug into the ICM. I think L67 coils were hotter and then at some point all the S3 coils were the same.


Could it possibly be voltage bleed off that can cause the problem? Or maybe I should just get some ZZP coils?


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 Post subject: Re: 2005 SLE Coils
PostPosted: Sat Aug 06, 2022 3:43 pm 
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Certified Bonneville Nut
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Joined: Wed May 21, 2008 11:47 pm
Posts: 6648
Location: Philadelphia
Year and Trim: 95 SLE
There's no difference with the ICMs that I'm aware of. What do you mean voltage bleed off?

OEM coils have the best track record but they're aging at this point. No idea if the ZZP coils have enough data points to prove longevity. I would still use used OEM coils from a S3 since previous aftermarket coils have shown to fail prematurely. (MSD/Accell)

_________________
Image
95 SLE... a keeper. 241k miles. Low and Slow.
97 BMW 528i
98 Infiniti vq35'd i30: 13.3@104mph, 30MPG Hwy (RIP)
02 Jag X-type
03 BMW M5
05 Chevy Cobalt LS
07 Infiniti G35s 6MT (Sold)
07 Ducati Monster S2R 800 with DS1000 swap
83 Yamaha IT175K
72 Yamaha DS7: '74 RD250 swap, JL chambers

Info on dropping a 92-99: Here.


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 Post subject: Re: 2005 SLE Coils
PostPosted: Mon Aug 08, 2022 9:47 pm 
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Joined: Mon May 10, 2010 6:11 pm
Posts: 9367
Location: Chicago, IL
Year and Trim: 2003 SLE
I had $10 cheapo Amazon coils work fine for 4 years. Upgraded to the $30 OEM ACDelcos and never looked back.

ZZP's coils have not had a great reputation in the 3800 community in my memory.

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-Car Guy Carl
"Penelope" - 2003 SLE - 232k Miles
"Sydney" - 2000 Honda S2000 - 90k miles
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