Car shudders with quick accelerations when warm. - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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 04-11-2007, 10:07 PM   #1
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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 04-12-2007, 12:08 AM   #2
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Do you by chance know if this is a slight miss?

Any idea what the tranny temps are?

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Old 04-12-2007, 08:41 PM   #3
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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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