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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.

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Old 10-05-2004, 11:17 PM   #1
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Default Check engine

My check engine light has been coming on since around the same time I had to replace my intake plenum. I had the code read by Advance Auto. I received the following code.... P0361
Ign System Problem
Elec Spark Timing
EST Not Toggling

The car is running fine. What should I do?
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Old 10-05-2004, 11:26 PM   #2
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Disconnect your battery for about an hour, and see if the codes come back.
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Old 10-06-2004, 12:08 AM   #3
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What is the year and trim line of your car?
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Old 10-06-2004, 09:10 AM   #4
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Default checking it out

I have a 95 SE. I unplugged the battery for an hour or more and now I am going to drive it to work and see if it comes back.
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Old 10-06-2004, 10:12 AM   #5
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Default its back

the check engine lght came on before I got to work. What do I do next?
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Old 10-07-2004, 07:43 PM   #6
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Default Code P0361

I still have my light on.
Does anyone know what to do for this P0361
Ign System Problem
Elec Spark timing
EST Not Toggling

The car runs fine..
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Old 10-07-2004, 08:36 PM   #7
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Probably the cam or crank sensor, or the associated wiring. Just a guess on my part. That sound right to the rest of you OBD2 folks?
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Old 10-08-2004, 03:20 AM   #8
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The ignition control module is not sending the correct signal over to the PCM when the engine is started. Your engine is running on module mode timing instead of PCM control. Check the white wire on the end of the ignition control module for a short. There may also be a problem with one of your sensors, as willwren mentioned.
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Old 10-08-2004, 07:49 PM   #9
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Default Ignition control module

where exactly is my ignition control module?
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Old 10-08-2004, 08:06 PM   #10
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Under your coils. Please don't just shotgun it. That'* an expensive part. Unless you can get one at a wrecker. Anything from 93-current will swap. From any 3800.
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