How to Fix a Gas Octane Mixup

Easy fix for a gas pump mix up

For some types of cars, gas octane really does matter, and putting low octane into a car that requires high octane can cause problems. Here's how to fix them.

By the DIY experts of The Family Handyman Magazine

Boosting octane level

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

  • Octane booster

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