* TS: Try mo sir yung Shell HX7 Diesel next time. Mine has 1,000kms on it and not yet dark colored compared to using multi-grade oils. Just a suggestion. Mas malaki rin kasi at mas malakas engine ng 3.2 TDic CRDi vs 2.5 Turbo CRDi kaya malamang mas maraming soot and carbon deposits IMO.