ATP Automotive AT-100 Blast, Complete Intake System Cleaner, 7.5 Fluid_Ounces Cleans intake system by dissolving carbon and oil deposits Helps eliminate rough idle, hard starting, loss of power and pinging Smoke free, catalytic converter and O2 sensor safe formula Recommended for fuel injected engines, critical for direct injected engines Easy to use aerosol application, Includes vacuum Hose and multi-adapter fitting