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Thread: Idle speed 2.8t

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    Vehicle : Signum

    Trim : Signum

    Engine : Z2.8NET

    Year : 2006

    Default Idle speed 2.8t

    Can anyone tell me what the rpm's are at a cold start with 5 degrees celcius outside. Mine 2.8t does it arround 1500 rpm. Is this normal?

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    Midlands - Vxr Owning Dick Dog_Book's Avatar
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    Sounds normal but i dont pay attention to mine im busy switching on what i want etc
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    Quote Originally Posted by Signum 2.8 View Post
    Can anyone tell me what the rpm's are at a cold start with 5 degrees celcius outside. Mine 2.8t does it arround 1500 rpm. Is this normal?
    How long does it idle at 1500 RPM for?

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    Regular Member Jon1796's Avatar
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    Sounds fine if for first few minutes.

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    Quote Originally Posted by Jon1796 View Post
    Sounds fine if for first few minutes.
    The engine is a Z28NEH Jon not NEL, come on your not on vxro now
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    Quote Originally Posted by Dog_Book View Post
    The engine is a Z28NEH Jon not NEL, come on your not on vxro now
    To be fair I put it on 3y ago while choosing which side to bat for ��

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    Quote Originally Posted by LastOne View Post
    How long does it idle at 1500 RPM for?

    does it about 1 minute.

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    12c this morning fast idle at 1450 for about 12 seconds
    Vectra VXR estate 2007 Sapphire Black
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    Regular Member bigdov's Avatar
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    its normal, will settle to under 1k after about 10 seconds then once warmed up will settle to around 600 RPM

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    A minute sounds too long, unless the weather is very cold. The engine would be generating quite a lot of torque at that speed.

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