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Thread: coil packs on LS1
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11-17-2006, 11:06 AM #1
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Black- 2002 WS6 Trans Am
coil packs on LS1
Is there any way to test the coil packs on an LS1? How would you know if one is bad?
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11-17-2006, 11:33 AM #2
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Are you throwing a code for a particular cyl? You can swap that one with the one next to it and see if the code changes.
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11-17-2006, 11:37 AM #3
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Black- 2002 WS6 Trans Am
No, not throwing any codes. I have 72k miles on the factory ones and I'm putting in new plugs and plug wires...thought i'd see about testing them out. i don't want to replace all of them if they are fine.
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11-17-2006, 12:22 PM #4
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Black- 2000 WS6 6spd Hooker LT
The factory coils should be fine. BTW, what kind of plugs/wires are you installing and how did you come up with your decision? I am thinking about changing mine also....
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11-17-2006, 12:31 PM #5
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11-17-2006, 12:33 PM #6
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- Texas
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Black- 2002 WS6 Trans Am
MSD-32819 WIRE SET(MSI MSD 8.5mm Super Conductor Spark Plug Wire Sets)
NGK TR55IX SPARK PLUG (NGK Iridium IX Spark Plugs)
I got them after reading posts on LS1.com and Austin F-body.
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11-17-2006, 12:34 PM #7
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- Texas
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Black- 2002 WS6 Trans Am
Cool...thanks...I'll leave them until they start dying.
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01-12-2009, 10:34 AM #8
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- Aug 2005
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- Texas
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Black- 2002 WS6 Trans Am
I'm starting to lose power in the 3000 rpm band, the clutch is new, and i'm not getting any rpm spike when it happens. Could it be some of the coils or the electrical (not plug wires) going to the coils? Any ideas?
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01-12-2009, 10:36 AM #9
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- Beaver Dam KY
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79 T/A -91 Firebird- 1998 Trans Am -Oynx Black
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01-12-2009, 11:09 AM #10
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- Aug 2005
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- Texas
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- 81
Black- 2002 WS6 Trans Am
I know i've cleaned the MAF not too long ago, I'll have to look in my book to seen when I changed the fuel filter. I know I've done it, just can't remember when....
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01-12-2009, 11:27 AM #11
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- Beaver Dam KY
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79 T/A -91 Firebird- 1998 Trans Am -Oynx Black
I know most people on here change the fuel filter every third oil change BTW
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01-12-2009, 11:36 AM #12
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- Texas
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Black- 2002 WS6 Trans Am
Yeah, I've probably only changed it once, ever. So, maybe I'll start with that and see if it makes a diff. Thanks...
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01-12-2009, 11:38 AM #13
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79 T/A -91 Firebird- 1998 Trans Am -Oynx Black
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01-12-2009, 02:52 PM #14
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01-13-2009, 12:15 AM #15
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79 T/A -91 Firebird- 1998 Trans Am -Oynx Black
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01-13-2009, 02:40 PM #16
PE delay is 3200 I think so it seems like you're losing the power right as you go into PE. I would look at fueling first to see if you're lean there or even too rich. Both can cause the car to nose dive.
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01-13-2009, 06:01 PM #17
I haven't changed my fuel filter in over 10,000 miles now. lol. Guess thats a possible reason my gas mileage sucks. 16 miles to the gallon in a six-speed is not very good...
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01-14-2009, 03:34 AM #18
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01-14-2009, 06:12 AM #19
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Barbados Blue- 2004 GTO
You can run a test with HP Tuners looking for random miss-fires and it will tell you what cylinder. Then swap sides and test again and verify the miss-firing cylinder moved to the other side. 15 min test.
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01-27-2009, 11:06 AM #20
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Black- 2002 WS6 Trans Am
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