Toyota Other Mass Air Flow Sensor

I Have Toyota Innova Car, Engine 2kd-ftv Diesel D4d. I Bring The Car Into Service Of Periodic Maintenance But Prior To That The Engine...

Code P0172 Fuel Too Rich Blank 1, I Have Change Oxizen Censor , Air Flow Censor, Engine Oil Seal, Plugs,mobile Still The Code Is There...

I Have A 2005 Toyota Tundra,6 Cilynder 4.0 Engine. In The Last 2 Days My Engine Has Lost It's Performance. I Starts Ok And Runs But It...