Another possibility
Lift the plastic engine cover off , look to the front left corner of the cylinder head and check to the see if the arm for the swirl flaps has become detached.
Very very common problem and will flag that message up. 
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“Do the right thing. It will gratify some people and astonish the rest.” – Mark Twain 😊
2007 Volvo XC90 D5 SE Geartronic
Last edited by S60D5-185; Dec 9th, 2017 at 13:18.
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