Remember that higher octane fuels burn slower and are harder to lightoff. All modern cars have a knock sensor, which lets them run on the lowest octane possible. Higher octane fuels are still available for olders cars, turbocharged/supercharged cars, and vehicles with very high compression engines. "Regular" fuel should be used in the Insight.
Regular, Special, Or Super Unleaded Gas
I know the book says regular is fine...but is it a good idea to use a higher grade? Keep the engine clean and run smoother? Maybe better MGP? :?:
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