Clean all pipework contaminated by oil. Or you can run an oil solvent through the pipes and the inter cooler
Clean EGR and make sure it operates freely
Clean the MAF gently and carefully
Ideally, remove DPF and get it professionally cleaned with solvents and then baked in a furnace.
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XC90 R-Design MY2009, Black Sapphire Metallic. HP-Sound, RSE, Nav, Tel, ParkingCam, BLIS, ParkingHeater, RestHeat, Removable Towbar, Summer: CRATUS 20x8 on Pirelli Scorpion Zeros 255/45, Winter: NEPTUNE 17x7 on Continental WinterContact 4x4 235/65.
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