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2005 Volvo XC90 Question: I have a 05 xc 90 2.5t with valve train knocking.



josh h, Independence, VA, January 15, 2012, 13:13

Noticed valve train knocking at low rpm. It does not make the knocking sound until after engine is warm. There is no power loss and engine performs well through the rpm range. OBD scan code at auto parts store says p0027 Intake control valve solenoid circuit bank 1. Any help with this would be appreciated.

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