1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

Misfire

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Old 04-24-2004, 04:28 PM
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Default Misfire

1996 SE
My check engine light came on and tracting control turned off and wont turn on, so I took it to Auto Zone and they hooked it up and said it was Cyclinder 2 that was misfiring. They said it was prolly sprak plugs and wiring since it has 98k miles on it and i havent replaced it. So I replaced it and sure enough when I got to cylinder 2 it was wet with gasoline. I replaced the plugs and wires and the problem is still not fixed. Any ideas?
Old 04-24-2004, 04:37 PM
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Either bad coil, or bad ICS system, i'm venturing the ICS because it'* only one misfire, and not 2 cylinders (normal with a bad coil) But a bad coil can produce 1 cyl misfire.

Move some coils around, and see if the misfire moves. If that doesn't change it, you'll need a new ICS module.
Old 04-24-2004, 04:40 PM
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Price of coils?
Old 04-24-2004, 04:58 PM
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THe ICS is what the coils bolt to.
Swap two coils and compare, if the mis moves with the coils its the coil. If its the same #2 cyl. then the ICS is suspect.
Old 04-24-2004, 05:11 PM
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what is the price of a coil and how easy is it to replace
Old 04-24-2004, 05:33 PM
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$35 for stock coil? $55 for MSD? Pull plug wires and remove two bolts to replace the coil.
Old 04-25-2004, 10:40 PM
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Thanks for the help... It was the coil
Old 04-25-2004, 10:43 PM
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Thanks for the call back.
You may want to replace all 3 coils as they must be the same age and will soon expire like the first?
Old 04-25-2004, 10:46 PM
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definitely replace the other two coils mine was doing the same thing and i only replaced one and the other two eventually went out.
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