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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 07-27-2007, 08:42 PM   #1
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Default Stuttering

I posted in the past about the problem I'm having, however it was a while. Please don't blast me for posting again.

Problem: Sometimes I get stuttering between 1500 and 2500 RPMs. It occurs while pressing the accelerator, if I let off the throttle, it goes away. Also, if I apply more gas, it seems to go away. The issue doesn't seem to be as present when not in OD.

What I've done: Replaced plugs, wires and fuel filter. Cleaned TB, however I was unable to get the IAC out.

The issue was less noticeable after the TB clean, but is still there.

Any thoughts?
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Old 07-28-2007, 01:58 AM   #2
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this sounds like a problem that i had with my car about a year ago, however mine also happened in od, check for a vaccum leak.
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Old 07-28-2007, 11:51 AM   #3
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Quote:
Originally Posted by marz
this sounds like a problem that i had with my car about a year ago, however mine also happened in od, check for a vaccum leak.
Any specific vacuum line to check? What did yours turn out to be?
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Old 07-28-2007, 12:07 PM   #4
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What type of spark plug did you use?
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Old 07-28-2007, 02:18 PM   #5
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Quote:
Originally Posted by Technical Ted
What type of spark plug did you use?
Autolite 605s
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Old 07-28-2007, 03:45 PM   #6
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if i remember right it was right behind the tb i had a bad rubber boot end, when looking for a vaccum leak, make sure the engine has cooled off, start it and spray the vaccum lines with carb cleaner when the idle changes you are in the general area! just remember some carb cleaners are flammable, becareful where you spray!
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