Attention

STP® 1 Tank Tune Up™  is safe to use in any gasoline engine and is compatible with cap-less gas systems. Keep out of reach of children and pets.

  • 12 Fluid Ounces

Product Description

Attention

STP® 1 Tank Tune Up™  is safe to use in any gasoline engine and is compatible with cap-less gas systems. Keep out of reach of children and pets.

Usage Directions

Add to fuel tank before refueling.  Fill tank with gas according to treat rate below.  Use as needed to treat symptoms like emissions failure, rough running engine, knocking, hard starts or poor fuel economy.  Use 4 times per year as a preventative measure for optimal performance.

TREAT RATE:

  • One bottle (12oz) optimally treats fuel and exhaust system for vehicle with 21 gallon tank.
  • Use more/less according to tank size, i.e. 8oz (2/3 bottle) for 14 gallon tank or 18oz (1½ bottles) for 31.5 gallon tank.
  • For use in any gasoline engines, including turbo, direct inject and hybrid.  Will not void warranty.