Volvo AWD 850 Forum

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what is that buzzing noise at the turbo with the ign ON? 850

As i sit there trying to reset codes so my darn eng light will go off it hummmmmms. Is that OK?








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what is that buzzing noise at the turbo with the ign ON? 850

yes. That is your air stabilizer valve under the black cover by the turbo pipe.







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