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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 03-22-2006, 12:25 PM   #1
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i have a rough idle keeps getting worse,when im stopped at a light its jumping up and down and if i have my subs turned up it about stalls out and if i put my rear defrost on.
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Old 03-22-2006, 12:58 PM   #2
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Sounds lke you could possibly have a weak electrical system, like a weak alternator, or battery. That when there'* a big draw on the system from your stereo, you're electrical system can't get enough power to the ignition system.

Just my thoughts.
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Old 03-22-2006, 01:17 PM   #3
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Quote:
Originally Posted by LakevilleSSEi
Sounds lke you could possibly have a weak electrical system, like a weak alternator, or battery. That when there'* a big draw on the system from your stereo, you're electrical system can't get enough power to the ignition system.

Just my thoughts.
I will agree with that. Makes perfect Sense.
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Old 03-22-2006, 01:50 PM   #4
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I'll agree along with the guys.

Advance Auto and Autozone will tyipcially test both battery and alternator in the car for free. This would be a good start. Then probably checking the grounds etc.
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