Masha’Allah beautiful ride, can you please guide me, i recently got steermatic its was working fine inchanged its throttle body and the average got me close to 13. Now after some it got worse 8,9 I went to my mechanic he did something in the dashboard, he said is me computer huta he. He did something manually, average got me close to 10 not but the drive feels heavy no pick. What should i do now want my original drive and milage.