Mitsubishi lancer 2005 GLX auto without cng.
with A/c koi knocking nahi hoti jeise hi A/c on karo toori der baad knocking start hoja thi hai, aur jab gear Drive "D" mein hoo tu RPM upper neechai ho raha hota hai idle pe.
hi octane pe knocking khatam ho jati hai per kitni bar hi octane dalwao.
per hi octane pe RPM ki dropping band nahi hoti.
koi solution ho tu share karain.