The Volkswagen GTI 07’ and premium gas.
I know near my gas cap it says i should put
Unleaded premium gas only (91) . But the prices
are really high for gas right now compared to how
they almost always are. What would happen if i
used regular gas ?
Regular gas is fine. The ONLY purpose for 91 octane is to prevent pre-detonation of gasoline in the cylinder and that would only happen if the car is really driven hard on very hot days. In fact, use of 87 Octane in your car would be fine in all conditions, as the computer reads the quality and Octane rating of the fuel as it enters the manifold and the car makes adjustments automatically for any change in fuel.
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