Turbo spools on and off at idle

Discussion in 'Freightliner Forum' started by MercerDriver, Aug 9, 2018.

  1. Oldironfan

    Oldironfan Road Train Member

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    May 22, 2017
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    My old 12.7 would create more boost any time it started up a incline, or small bump. You gave a VGT turbo. It's just the nature of the beast. Even at idle around 900 rpm no load but A.C. I would be showing 6 lbs of boost. Which really made me mad.
     
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  3. mhyn

    mhyn Road Train Member

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    Dec 29, 2008
    Northridge, CA
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    you
    your engine has two vpods. one of them is for turbo vans and it is malfunctioning(pressure goes up end down).
     
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