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.

Car shudders with quick accelerations when warm.

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Old Apr 11, 2007 | 09:07 PM
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Default Car shudders with quick accelerations when warm.

From a dead stop. Once it hits operating temperature of 200° or so is when it is a problem.
It is the same feeling of driving a clutch when someone doesn't know how to drive one and there is shuddering.
My car idles just fine in gear or neutral. It runs fine otherwise.

What gives?
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Old Apr 12, 2007 | 07:41 PM
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I'd check for a cracked coil terminal. Manually blip the throttle at the throttle body and look for arcing. Mine had a cracked #6 terminal, closest to the alternator bracket on my 92SSE. It was shooting an arc to the bracket. Took a while to figure out. I'd already replaced the ignition wires before I found the real problem.
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