Salam! mene n wgn custom turbo li hai. 4th tank chal rai. spark plugs ngk irridium k dalwai thay gari lete hi. pata nahi mujhe ye gari 10km/ltr ki average derai hai. jab me tank full karwaa tao or raat me thore road clear hote hain to break kam lagta hai to ye 17km/ltr tak chali jaati hai then ye ahista ahista 9,10,11 pe ajati hai. aap logo k comments parh k mujhe lagrai k meri gaari me koi issue hai. koi bhai keh rai 17km/ltr derai hai koi keh rahe hain ziada de rai hai. Kindly guide kardein kia possible solution hai iska. Thank you!