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LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Idle

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Old Aug 21, 2003 | 01:25 PM
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Red96Lt1's Avatar
Red96Lt1
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From: Birmingham, Al
Idle
My caar idles at about 1150. Could that be related to a dirty or malfunctioning MAF sensor?
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Old Aug 21, 2003 | 02:30 PM
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Josh-'04 GTO
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From: Petersham, MA
Is the idle that high when cold, hot, or both? In gear or out of gear?
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Old Aug 21, 2003 | 05:34 PM
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Red96Lt1
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From: Birmingham, Al
For sure when warm, don't really remember what it does when it's cold. I have a M6, so it is idle when out of gear.
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Old Aug 21, 2003 | 05:39 PM
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Johnnynsac
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From: Sacramento CA
Mine Idles about 1000 cold and when warm. It''s been like this since I bought the car years ago. I've never had any kind of problems with it.
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Old Aug 21, 2003 | 07:47 PM
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Josh-'04 GTO
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From: Petersham, MA
Get a scan tool and check your idle that way. I'll bet $20 the tach is wrong.
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Old Aug 21, 2003 | 10:25 PM
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Got-LT1
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From: tallahassee, FL
i had an idle over around 1k. When I failed my smog test I scaned the car and found a leaky fuel injector. When I changes that the idle dropped back to 650rpm, just like it was when I got it.
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Old Aug 21, 2003 | 10:47 PM
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shoebox
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From: Little Rock, AR
Check for easy things like leaking vacuum hoses. Your IAC and passages might need cleaning, too.
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