Castrol 215298 Fuel System Cleaner - 12 fl oz
Castrol Fuel System Cleaner
Restore your engine’s performance and fuel economy with Castrol Fuel System Cleaner. Whether you drive a modern GDI-equipped vehicle or a traditional gasoline engine, this evolved formula cleans fuel injectors and the entire fuel system in just one tank. By removing harmful carbon deposits, it helps improve throttle response, reduce emissions, and maximize MPG. Safe for catalytic converters and oxygen sensors, this fuel system cleaner works seamlessly with ethanol-containing fuels and hybrid gasoline-electric vehicles.
For best results, pour the entire 12 fl oz bottle into a nearly empty tank and refuel with up to 12 gallons of gasoline. A second treatment may offer added benefits for neglected systems.
Trust Castrol to keep your journey clean, smooth, and efficient—every time you hit the road.
- Complete Fuel System Cleaning – Advanced formula targets carbon deposits and build-up across your entire fuel system, including GDI (Gasoline Direct Injection) and traditional fuel injectors.
- Restores Lost Fuel Economy – Helps improve engine efficiency and mileage by removing performance-robbing deposits that accumulate over time.
- Safe for Modern Engines – Compatible with catalytic converters and oxygen sensors. Designed to work with ethanol-blended fuels and safe for use in gasoline/electric hybrid vehicles.
- Easy One-Tank Treatment – Simply pour one 12 fl oz bottle into a nearly empty gas tank and refill with up to 12 gallons of gasoline. For persistent issues, a second treatment may be used.
- Trusted Castrol Quality – Backed by decades of innovation in engine performance, Castrol delivers a high-quality solution for cleaner combustion and better fuel system health.
