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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.

Help my tach stays between 4000 and 4500 rpm all the time!

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Old Nov 12, 2005 | 08:20 PM
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Default Help my tach stays between 4000 and 4500 rpm all the time!
Today my tach was working fine, then on the way home it just went to 4500 RPM and stayed there! when I got home I shut the car off and it only drops to 3250 or so. Any idea what is wrong with it?
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Old Nov 12, 2005 | 08:34 PM
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bang on ur dash and see if it moves...

take out the cluster and clean the connections next

take apart the cluster and see whats up lastly
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Old Nov 12, 2005 | 08:47 PM
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That is good idea. My car did something like that when i 1st got the air working again. Never did it since
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Old Nov 12, 2005 | 09:05 PM
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I just let it sit about 30min and went out and restarted it worked normal. Hope it stays that way!
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