Throttle respone lacking - 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 04-19-2009, 12:14 PM   #1
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Default Throttle respone lacking

I recently replaced my "wonderful" plastic intake manifold on my Bonnie. It now seems as if it won't run right. It starts at about 1500 rpm to warm up, but won't idle down until I tap the accerlerator. Also, when it is warm, I will tap the accelerator and it seems as if there is a "dead" spot or a "lag" in response on my throttle. If I do it slowly, no problem but if I "tap" the accelerator....there'* is lag. I also cleaned the throttle body when I changed the intake.
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Old 04-19-2009, 12:21 PM   #2
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Check everything for vacuum leak. Check to make sure nothing is pinched or binding up.
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