Is Cheap Gas Ruining Your Engine? Here’s What You Need to Know

nicklawson311 • March 19, 2025

Is Cheap Gas Ruining Your Engine? Here’s What You Need to Know

Saving money at the pump is tempting, but using low-quality gasoline can do more harm than good. Your car's engine is designed to perform best with clean, high-quality fuel, and filling up with the cheapest option may lead to long-term damage. At Autopia Bloomington, we ensure your engine runs at peak performance by helping you make informed fueling choices.

How Cheap Gas Affects Your Engine

  • Lower Fuel Efficiency – Low-quality gasoline often contains more ethanol, which burns faster and reduces your miles per gallon.
  • Increased Engine Deposits – Cheap gas may lack proper detergents, leading to carbon buildup in fuel injectors and engine components.
  • Engine Knocking & Reduced Performance – Lower-octane gas can cause premature combustion, leading to knocking noises and sluggish acceleration.
  • Potential Long-Term Damage – Consistent use of poor-quality fuel can lead to clogged fuel injectors, damaged spark plugs, and even costly repairs.

How to Protect Your Engine from Poor-Quality Gas

  • Use Top-Tier Gasoline – Look for fuel brands that contain high-quality additives and detergents to keep your engine clean.
  • Follow Your Manufacturer’s Recommendations – Check your owner’s manual to see the correct fuel type for your car.
  • Avoid Over-Reliance on Discount Gas Stations – Not all gas stations adhere to the same quality standards, so choose a trusted provider.
  • Get Regular Fuel System Inspections – A professional inspection can detect fuel-related engine problems before they become serious.

Not Sure If Your Engine Is Running Smoothly? We Can Help!

If you suspect your car isn’t performing at its best, let our expert mechanics take a look. We’ll check your fuel system, engine health, and overall performance to ensure your car stays in top shape.


Book your engine inspection today for a smoother, more efficient drive!

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