Hello, I recently had the prblem that my Legacy Diesel when it was warm did not bring any more power. I could read out errors (P010012 ? or so similar) “air mass meter defket. So thing removed and cleaned with brake cleaner. Unfortunately without success, so other part pure, graucht für 70,– € (new 220,–!!!). Moto still does not move. So off to the friendly. It left out errors: air mass meter! But it does not clean the part at the air filter but under the cover on the engine e in other part! The part was totally messed up, so cleaned and test drive. Error hint is gone now but engine still does not pull. The young friendly master hears a hissing and thinks, he knows what it is. He removes the charge air cooler and actually, there is a crack in the thick intake hose. New hose on it and the engine could pull away saddle tugs again. Cost 61,– hose, 36,– control and installation plus VAT. makes around 120,– €! But the car runs and car and Driver is fine again. (I can return the used LMM from ebay). VG