Read the fuel injector cleaner label and vehicle owner’s manual
Confirm the cleaner is compatible with your engine and fuel type
Use the correct amount of cleaner for your fuel tank size
Fill the fuel tank with the recommended amount of fuel
Pour the cleaner directly into the fuel tank before or after fueling, as directed
Tighten the fuel cap securely
Drive the vehicle normally to circulate the cleaner through the system
Repeat only at the interval recommended by the product or manufacturer
Do not overuse the cleaner
Do not pour cleaner into the engine oil, intake, or other fluid reservoirs