Ab jo bhi gaadia hai un sab me ecm lage hote hai fully electronic controlled system hota hai. Usme aap rpm kam ya jyada nahi kar sakte bina calibration me ched chad kiye.
Gaadi ke can communication wire means ecm related fuses, wiring main connection with positive terminal achhe se check kare fir be theek na ho to ecm replace karke dekh sakte hai
