when engine runs on petrol knocking is occuring when acceletor is pushed.this problem is only on petrol not on cng
add hi octane or add stp octane booster fuel additive ur problem shud be resolved!
n try changing ur petrol station!
well how much km has it done ?
change the car! LOL! hey bro go to toyota service centre and tell them to tune ur car on petrol, then go to ur cng wala and tell him to tune ur car on cng and not to alter the petrol settings. ur problem solved.
when my gli covers about 20km on petrol then knocing is hearing.whats the problem guys.tell me solution
bhai the problem with your car seems to be the petrol quality your using. as the petrol prices are going up petrol pump dealers are using bad quality petrol. Try to fill your fuel tank from an other pump. then see.