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This is gonna look gay, but I have to second that.aiyak, for me is Shell that gives me the most mileage...especially v-power
worst is petronas :P
check the knock sensor or the auto retard function..car with solenoil coil ignition (no distributor) usually got this gadjets..the function is to control ignition timing..good timing, good power..got a friend whose engine got short after install iridium spark plugs (waja 4g18)..maybe need to go engine diagnostic to see what sensors kong..wow...din know exxonmobil was a firm favourite!ive changed from shell to esso n it seems fine...heard petronas has the worst grade of 'RON97' in d market...
funnily enuff, shud ask u guys dis since its related to petrol:
after my car engine burnt, how come i pump vpower now it feels like RON97 rather than before my engine burnt vpower was VPOWER!:hmmmm:weird!!i think my engine really hailat d...