11 OZ bottle treats 20 gallons of gasoline recommended at oil change intervals (every 3000 - 5000 miles)
Excellent Top End cleaner also and will not harm O2 sensors or Catalytic Converters!
Doctor Injector FSM is a complete fuel treatment
formulated to provide these benefits:
• Cleans Injector
• Cleans Intake Valve Deposits
• Cleans Carburetors
• Prevents Fuel System Rust
• Removes Gum and Varnish
• Lubricates Upper Cylinders
• Reduces Octane Demand by Cleansing
Fuel System Deposits
• Helps Prevent Knock and After-run
• Cleans emission Control Systems
• Safe for Catalytic Converters & Sensors
•Helps eliminate Hesitation and Stalling