Excerpt: We’ve become familiar with Chevron’s Techron offerings, often turning to their high-mileage cleaner when our vehicles show signs of wear. The 12-ounce bottle of Techron High Mileage Fuel System Cleaner joined our arsenal, promising to tackle carbon buildup and improve engine performance with each use. Upon application, we noticed a subtle yet noticeable difference in our car’s responsiveness, as if the engine had been unburdened from the miles. The convenience of the single-pack design suited our needs, and while we wouldn’t claim it worked miracles overnight, its consistent results made us appreciate Chevron’s commitment to refinement. For us, it’s more than just a cleaner—it’s a small, reliable partner in maintaining what’s already a strong lineup of products.