C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

94 idle at cold

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Old Feb 7, 2002 | 10:31 AM
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Default 94 idle at cold

At cold idle , the engine has a slight hesitation, but only at idle. I don't notice it when warm. Any ideas ?
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Old Feb 7, 2002 | 05:45 PM
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Default Re: 94 idle at cold (neekos)

By hestiation do you mean it is hard to start or it runs poorly at idle once it is started? If it runs bad at start-up it could be spark plugs and wires.
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Old Feb 7, 2002 | 05:46 PM
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Default Re: 94 idle at cold (94vette)

It starts fine and idles OK for a few minutes but then hesitates a bit, but it is slight.
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Old Feb 8, 2002 | 01:56 AM
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Default Re: 94 idle at cold (neekos)

Yeah, I'd replace the plugs and wires.
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Old Feb 8, 2002 | 12:09 PM
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Default Re: 94 idle at cold (neekos)

Ok, I'd replace plugs and wires and also the fuel filter. Then I'd adjust the IAC valve per the Tech Tips instructions here: https://www.corvetteforum.com/techti...D=94&TopicID=2
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Old Feb 8, 2002 | 04:00 PM
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Default Re: 94 idle at cold (94vette)

Thanks guys.
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