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.

Normal Idle RPM? 96 SE

Old Nov 19, 2008 | 04:22 PM
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Default Normal Idle RPM? 96 SE

I was wondering what the normal engine RPM should be for a 96 SE with an auto trans.
1. warmed up engine in gear with brakes on
2. warmed up engine in neutral

If it was running to fast...what would be the most likely cause(*)

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Old Nov 25, 2008 | 09:56 AM
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I'm not sure. I have the same trim/year.
My idle speed is around 750RPM when the car is warm and in D, which I think might be low.
My oil pressure light goes on when it gets that low, but if it'* around 1000 it goes off. So i'd guess that it'* somewhere between 750 and 1000.The only time it'* above 1000 is when it'* cold out, mine starts out at 1500RPM but goes down as it warms up.
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Old Nov 25, 2008 | 10:45 AM
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If I'm not mistaken it should be about 800 warm, and 1000 or so cold
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Old Nov 25, 2008 | 08:36 PM
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Originally Posted by Danthurs
If I'm not mistaken it should be about 800 warm, and 1000 or so cold
im with dan on this seems as mine sits around there
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Old Nov 26, 2008 | 08:18 AM
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The only real variables should be AC, tach calibration etc. My tach is off a couple hundred.
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Old Nov 30, 2008 | 02:29 AM
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I seem to idle a little faster..... warmed up in gear close to 900..just below the 1000..if I move it into Neutral it speeds up to 1000. Would I be wise to check/clean the Idle air control? throttle body and or MAF sensor?

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Old Nov 30, 2008 | 09:49 AM
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Cleaning things up is a good idea. Just be careful doing it.
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