Odd "stuttering" - 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 02-22-2007, 08:33 PM   #1
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Default Odd "stuttering"

Hey guys, my brother has been having a problem with my old 94 SSEi, approx 230000kms. I drove it today and if you go WOT and it kicks down a gear the car kind of stutters and surges as it accelerates. This is worse at highway speed (120km/h+), but still happens in town (50km/h ish).

I popped the hood and one of the vacuum lines was off, so I reconnected it. This improved the situation (did not surge as violently), but it did not resolve the problem. I'm thinking it'* trans related (as it is still original/not rebuilt), but would appreciate your input.

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Old 02-22-2007, 09:01 PM   #2
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The symptoms as you describe them typically end up being misfires/ignition.

What does it do in OD when he lightly rolls on the throttle?
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Old 02-22-2007, 09:02 PM   #3
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If the vacuum lines have not been attended to, all the rubber vacuum lines are probably rotting/leaking and starting to cause issues.

First suggestion would be to check/replace them. Second item that is very common for your type of issue would be a tune up. When was the last tune up?
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Old 02-23-2007, 02:08 AM   #4
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No surging in OD if you roll on the throttle, only when you smack it to the floor. There is one vacuum connection that looks slightly sketchy, I told him he should replace it. Last tuneup has been a while, admittedly, probably 50k (kms) ago...
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Old 02-23-2007, 02:16 AM   #5
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all 3 of my SSEis have done this, it was all bad plug wires. Certainly a start.
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Old 02-23-2007, 02:23 AM   #6
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Any grinding noise?
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Old 02-23-2007, 12:39 PM   #7
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No grinding noise. Looks like I will tell him to do a tuneup and go from there. Thanks for your help guys, will keep you updated if I need more help.
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Old 02-23-2007, 05:03 PM   #8
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Quote:
Originally Posted by Ryan
No grinding noise. Looks like I will tell him to do a tuneup and go from there. Thanks for your help guys, will keep you updated if I need more help.
If something was grinding, then I would look into the tranny. Looks to be osmething less major then...
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