STP® Super Concentrated Fuel Injector Cleaner

Fuel injector cleaner. STP Super Concentrated Fuel Injector Cleaner Bottle

Unclogs dirty fuel injectors to restore performance in just one treatment.

STP® Super Concentrated Fuel Injector Cleaner contains concentrated detergents that help dissolve and remove harmful carbon, gum and varnish deposits on fuel injectors. Without cleaning, deposits can lead to hard starts, lost acceleration and rough idling. This product is made with jet fuel, a high-quality carrier of active ingredients.

Deep cleans fuel system and helps

Deep cleans fuel system and helps

Usage Frequency

Use every oil change or 4,000 miles.

Treat Rate

  • 5.25 oz. bottle treats 21 gallons
  • 12 oz. bottle treats 28 gallons

Take Note!

STP® Super Concentrated Fuel Injector Cleaner is safe for all gasoline engines.

Not sure which Fuel Additive to use?

Click here to view our comparison chart