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COLD START HIGH IDLE

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Old Apr 6, 2016 | 08:55 PM
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COLD START HIGH IDLE
1992 CAMARO 305 TBI, After car has sat for 8hrs or more then started it idles at 14k for few minutes then slowly drops till normal, less than 8hrs it starts normal and runs great, I've replaced just about everything, next is testing the inline fuse link to the ECM memory,
Any advice I'm all ears,,, HELP
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Old Apr 6, 2016 | 10:15 PM
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From: South of Joliet, IL
Car: 91 Firebird
Re: COLD START HIGH IDLE
You mean 1400 rpm right? Also, where are you and is it cold out when you start it?
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Old Apr 7, 2016 | 06:36 AM
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Re: COLD START HIGH IDLE
1400 rpm I live in S/W Florida for the most it's around 60 degree's
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Old Apr 7, 2016 | 08:59 AM
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Re: COLD START HIGH IDLE
car sat for long time and was abused, seafoam in carb is making big differences
Last edited by x_man; Apr 7, 2016 at 05:50 PM.
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Old Apr 8, 2016 | 03:35 PM
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From: Saratoga Area, New York
Car: 1990 Formula Firebird
Engine: 305 TBI (LO3)
Transmission: WC T-5 out of an 88 T/A
Axle/Gears: 10 bolt, 3.42 & Torsen Posi
Re: COLD START HIGH IDLE
92 wouldn't have come with a carb... You sure its not a TBI? It'd help diagnose if we knew what you had
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Old Apr 8, 2016 | 06:00 PM
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Re: COLD START HIGH IDLE
1992 CAMARO 305 TBI
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