my macanic charge "150 min- 300 max" for tuning oil change, typerd setting, plug cleaning, koi parking lite wagera kharab ho to wo b set kar data hai, car drive aprox 1300-1500km pm, max 1500 kharch hota hai, or is ki milege 160 km se improve kar k 240 tak pohnch gai. engine b complete save hai, to mujy to boht faida hoa brother